Abstract: A system for removing implanted objects from the ground comprising of a square elongated tubing and a support structure. The elongated tubing having a top surface, a bottom surface, a first end and a second end, the first end having a point. The top surface of the elongated tubing having a stop for coupling the support structure to the elongated tubing. The support structure comprising a fulcrum for providing a stable bearing surface for when downward force is applied to the second end of the elongated tubing and a hanger for connecting the fulcrum to the elongated tubing.

Abstract: A system for tilling compression marks formed in a field by wheels of agricultural machinery the system including a first roller assembly having a plurality of blade assemblies positioned in spaced relation to one another. The first roller assembly rotatably connected to a swing arm which moves the first roller assembly between a disengaged position, where the roller assembly does not penetrate the soil, and an engaged position where the roller assembly does penetrate and till the soil. The first roller assembly is positioned behind and in alignment with a first wheel of the agricultural machinery such that the first roller assembly tills the compression mark formed by the first wheel.

Abstract: A vehicle includes a chassis, a pair of wheels rotatably mounted to the chassis, and a jack stand having an extended portion and a support portion. The extended portion has a longitudinal axis. The support portion is located at a longitudinal end of the extend portion. The jack stand is arranged on the chassis to be slidable with respect to the chassis in a direction generally parallel to the longitudinal axis for movement between a deployed position, wherein the support portion is located vertically below a bottom surface of each wheel, and a stowed position, wherein the support portion of the jack stand is located vertically above the bottom surface of each wheel.

Abstract: The present invention provides a system for conducting agricultural operations in a field using one or more autonomous vehicles in which the agricultural operations may be optimized during run time. The system includes providing a mission plan for an autonomous vehicle, receiving progress updates from the vehicle as it conducts an agricultural operation according to the mission plan, and monitoring for event conditions which may he reported by the vehicle. Event conditions may include, for example, detection of an obstacle, or an oncoming vehicle, or a disablement of the vehicle. Upon receiving an event condition, the system may revise the mission plan to resolve the event condition while providing an optimization based on current agricultural conditions.

Abstract: A seed meter for an agricultural planter in which the seed disc is rotatably mounted within a seed meter housing. As the seed disc rotates, the apertures in the disc rotate along a seed aperture path through a horizontally adjacent seed pool area. The seed disc includes cavities disposed along the seed aperture path to agitate the seeds in the seed pool area. A singulator having multiple co-planar singulator surfaces is biased against the seed side surface of the seed disc.

Abstract: A seed meter for an agricultural planter in which the seed disc is rotatably mounted within a seed meter housing. As the seed disc rotates, the apertures in the disc rotate along a seed aperture path through a horizontally adjacent seed pool area. The seed disc includes cavities disposed along the seed aperture path to agitate the seeds in the seed pool area. A singulator having multiple co-planar singulator surfaces is biased against the seed side surface of the seed disc.

Abstract: A seed meter is provided for planting multiple types of seed and rapidly switching between the types being planted in a single planting pass of a planting session of row-crop planting. The seed meter has a split seed meter reservoir with a pair of seed meter chambers flanked by or next to a pair of seed disks. Activation and deactivation of the seed disks within the seed meter are synchronized to selectively deliver one type of seed from one of the seed meter chambers for delivery out of a single seed tube of the seed meter, which may provide absolute and instantaneous on-the-go seed switching within a single row from each seed meter.

Abstract: A seed meter is provided for planting multiple types of seed and rapidly switching between the types being planted in a single planting pass of a planting session of row-crop planting. The seed meter has a split seed meter reservoir with a pair of seed meter chambers flanked by or next to a pair of seed disks. Activation and deactivation of the seed disks within the seed meter are synchronized to selectively deliver one type of seed from one of the seed meter chambers for delivery out of a single seed tube of the seed meter, which may provide absolute and instantaneous on-the-go seed switching within a single row from each seed meter.

Abstract: A self-propelled agricultural product application implement such as high clearance sprayer and/or spreader is provided that includes a product container that is sectioned. Emptying of the container sections is controlled to approximate a target front-to-back weight distribution of the implement for a substantially long period of time during a product application session. An outlet system having multiple variable outlet arrangements is arranged between the product container and an application arrangement such as a spray boom or a rotary broadcaster. The variable outlet arrangements are configured to allow the container sections to sequentially empty to maintain ballast provided by the store product at relatively later portions of the implement for a relatively longer period of time during the product application session.

Abstract: This root crop harvesting machine (2) is adapted to harvest root crop (4), in particular beet crop, the root crop harvesting machine comprising an uprooting device (14) adapted to uproot the root crop. The root crop harvesting machine comprises an applicator (40) device adapted to apply an agent (52) to the root crop.

Abstract: An agricultural vehicle including a chassis and a header carried by the chassis and including a cutter mechanism. The header is adjustable in a vertical direction. The agricultural vehicle also includes a header actuator connected to the header and configured to adjust the header in the vertical direction, and a controller coupled to the header actuator. The controller is configured for receiving an input command for controlling an operation of the header actuator to achieve a lifting height, operating the header actuator in conformance with the input command, and terminating the operating of the header actuator.

Abstract: A stalk roll assembly for header of a combine harvester. The assembly includes first and second stalk rolls spaced laterally with respect to one another and rotating in opposite directions. Each stalk roll includes a frusto-conical nose and a cylindrical body. The cylindrical body includes a plurality of radially extending flutes. The nose includes a pair of helical flights. The plurality of flutes includes at least one cutting flute having a straight edge and a plurality of puncturing flutes with teeth. The stalk rolls are laterally offset a distance that permits the tips of the flutes to laterally overlap and the teeth of the puncturing flutes are longitudinally offset so the tips of the teeth are received between with the valleys of the teeth of the other stalk roll.

Abstract: A tailings conveyance including a housing having a front plate, a back plate, and a wall, and is adapted to recycle tailings through a cleaning system of a combine using at least one impeller. The wall of the housing describes an arc near the impeller paddles over a segment of a circle described by the circumference of the impeller. The wall further continues on a tangent away from the circle at a point of tangency. A sensor is positioned proximate to the point of tangency, and senses whether a space between the front plate and the back plate directly adjacent to the sensor is obscured by tailings as the impeller rotates. A controller or control system connected to the sensor calculates an amount or percentage of time the space between the front plate and the back plate directly adjacent to the sensor is obscured by tailings as the impeller rotates.

Abstract: There are provided an engine controlling section for controlling a rotational speed of an engine, a horizontal posture controlling section for rendering a vehicle body frame to a horizontal posture by controlling a posture changing mechanism configured to change a posture of the vehicle body frame by an operation of an actuator utilizing power from the engine, a yield measuring section for measuring a yield of grains stored in a grain tank based on measurement result of a load cell configured to measure a weight of the grain tank, an activation operational tool for outputting an activation signal for activating yield measurement by the yield measuring section, and a yield controlling section configured to provide the engine controlling section with a high speed rotation instruction for driving the engine at a rated rotational speed in response to the activation signal and also to provide the horizontal posture controlling section with a horizontal posture instruction for rendering the vehicle body frame to th

Abstract: An agricultural harvester comprises a feederhouse pivotally attached to a chassis, where the feederhouse defines a conduit for conveying crop material rearwardly from a front opening. A header interface frame is pivotally mounted to the feederhouse over the front opening to permit header pitch adjustment around a pitch adjustment axis. Upper and lower linear actuators are connected on one side of the feederhouse between the feederhouse and interface frame to control the pitch adjustment.

Abstract: A dual-cam linkage system controls the orientation of tines on a reel of a crop harvesting header. The dual-cam linkage system includes a stationary, substantially circular first cam track that has a rotational center that is offset from the rotational axis of the reel. A second cam track is located in a support plate on which a tine-supporting member is mounted. The dual-cam linkage system also includes a pivoting linkage having a crank, an arm. The crank has a first end fixedly attached to the tine-supporting member. The arm has an outer end attached to a second end of the crank. The first cam follower is attached at an inner end of the arm and engages the first cam track. The second cam follower is attached to the arm at a position between the first cam follower and the crank and engages the second cam track.

Abstract: A system for leveling grain on a return pan (128) of an agricultural combine (102), including a plurality of sensors (S1, S2, S3) coupled to the return pan (128) to detect a quantity of grain on the return pan (128) at a corresponding plurality of locations; a plurality of grain steering devices (156, 158) disposed on the return pan (128) to steer grain sliding down the return pan (128); and at least one ECU (192) coupled to the plurality of sensors (S1, S2, S3) and to the plurality of grain steering devices (156, 158); wherein the at least one ECU (192) is programmed to read the plurality of sensors (S1, S2, S3), to determine a side-to-side (lateral) distribution of grain on the return pan (128), to calculate a preferred position of the grain steering devices (156, 158) that will more evenly distribute the grain on the return pan (128), and to command an actuator coupled to the grain steering devices (156, 158) to steer them to the preferred position.

Abstract: A stone trap assembly including an entrance and an exit. The entrance receives objects from a crop flow path for accumulation into the assembly during a harvesting operation, and the exit allows evacuation of the accumulated foreign objects out of the assembly during an evacuation operation. The assembly further includes a door configured to be rotatable around a first rotation axis, substantially transverse to the crop flow path, for movement along a door movement trajectory between a closed position and an evacuation position, and an impeller for forcing the accumulated foreign objects towards the exit. The impeller is configured to be rotatable around a second rotation axis, substantially transverse to the crop flow path, for movement along an impeller movement trajectory between a retracted position and an extended position closer towards the exit. The door and impeller are separately movable during at least a part of the trajectories.

Abstract: A hay baler (10) comprises a fore and aft hay bale forming zone, and a cut vegetation pick up and delivery arrangement for delivering cut vegetation to the hay bale forming zone. A compression plunger (19) of the hay baler (10) is movable in the fore and aft direction for compressing cut vegetation into a bale in the hay bale forming zone. A reservoir (23) retains a supply of non-toxic liquid surfactant or lubricant, and a pump means (25) is provided for pumping the non-toxic liquid surfactant or lubricant from the reservoir (23) at a supply pressure to one or more discharge outlets (32) in the hay baler (10). Thereby, inwardly facing surfaces in the fore and aft hay bale forming zone are at least partially coated with the non-toxic liquid surfactant or lubricant.

Abstract: A system and method of tracking the position and status of plants or plant parts in a greenhouse or other growing area using identification tags such as RFID tags is disclosed.

Abstract: A backpack power tool has drive motor and blower mounted on a backpack frame. The bottom plate of the backpack frame has a passage for working air sucked in by the blower. Ribs on the bottom side of the bottom plate have end faces forming a contact surface for leaves aspirated in blower operation against the bottom plate. The bottom plate has intake openings positioned between the end faces of the ribs in the contact surface and fluidically connected to the passage. Working air is sucked in through the intake openings and the passage. The bottom plate has an intake surface that is the sum of surfaces of all intake openings and of all end faces of ribs with a width of less than 10 mm positioned between the intake openings. The intake surface amounts to at least 50% of the surface of the bottom side of the bottom plate.

Abstract: The present application provides a handheld plant trimming apparatus. The handheld plant trimming apparatus, in one aspect, includes a wand having a longitudinal axis. The wand includes a wand inlet tube defining a void and an elongate slot, an outlet port having a through bore parallel to the wand longitudinal axis and an outlet bore where the outlet bore is in fluid communication with the void, and a handle. A cutting element is contained in the wand inlet tube and coupled to a motor to provide rotative force to the cutting element. A drum is in fluid communication with the wand and a vacuum pulls plant parts that are cut by the cutting element from the wand to the drum.

Abstract: A solution for illuminating plants is provided. An illustrative system can include: a set of visible light sources configured to emit visible radiation directed at the plant; a set of ultraviolet radiation sources configured to emit ultraviolet radiation directed at the plant; and a set of sensors, wherein at least one sensor is configured to detect a fluorescence emitted from the plant due to the ultraviolet radiation and a fluorescence emitted from the plant due to the visible radiation.

Abstract: A lighting device and assembly which incorporating an independently powered array of at least two types of LED lights that each give off specific wavelengths of light for growing plants. The assembly includes at least two of the lighting devices in conjunction with at least one high intensity bulb commonly used for indoor horticulture, where the assembly is adjustable for dimensional changes in the subject plants as they grow. A timing method for applying specific durations of each type of light which effectively simulate sunrise, daylight and sunset by allowing the plant to awaken naturally, absorb more light during the day and prepare for sleep at night, giving the plant more rest—all leading to more healthy plant growth.

Abstract: A method of delivering at least one nucleic acid to a plant, comprising: applying a light energy to a surface of the plant to create a pore; and applying at least one nucleic acid to the pore, wherein the at least one nucleic acid comprises RNA, wherein the at least one nucleic acid comprises at least one of a RNA interference (RNAi), an antisense RNA (asRNA), a micro RNA (miRNA), a small interfering RNA (siRNA), a double-stranded RNA (dsRNA), a non-coding RNA (ncRNA), mitochondrial RNA (mtDNA), and combinations thereof.

Abstract: A natural fiber felt is provided, which is a film formed by processes of binding a natural fiber net with a binder, extruding, drying and shaping the natural fiber net. A surface of the film is coated with a waterproof layer. The foam binder is formed by combining modified starch serving as a binder and urea serving as a foaming agent with water. A water-repellent agent fruit wax emulsion is employed to form the waterproof layer. The natural fiber net is carded by a carding machine at one time, and the foam binder is sprayed onto the natural fiber net to bind the natural fiber net so as to form the film. The product has characteristics of ultra-thinness and high strength with good performances on heat preservation, moisturizing ability, waterproof and air permeability.

Abstract: A plant cover transformable between collapsed and expanded states and including: a frame including a plurality of rods; a foldable canopy secured to the rods; and a pivoting support assembly operatively coupled to the frame. The pivoting support assembly includes: a brace having a central base and a plurality of projections extending radially outwardly from the central base and defining a longitudinally extending socket, a pivot support defining a pivot axis, and a latch receiver; and a plurality of rod supports pivotally coupled to a respective projection of the plurality of projections of the brace. Each rod support including a split hearing collar at one end pivotally mounted to the pivot support of a corresponding projection and a latch member at the opposite end, the latch member engaging the latch receiver to secure the corresponding rod support in the open position.

Abstract: Method, apparatus, and system for operation of a timber-working device configured to perform at least one operation having an associated hazard zone. At least one signal from at least one orientation sensor associated with the timber-working head may indicate whether a predetermined location is within the hazard zone based on the orientation of the timber-working head. Operation of the timber-working head can be controlled based on the signal.

Abstract: Disclosed herein are a system and method that integrate vineyard sensor data into an environment that enables analysis, historical trend analytics, spatio-temporal analytics, and weather model fusion for improved decision making from vineyard management to wine production. The integration of new sensor data from multiple soil depths with surface measurements, combined with production flow process and historical information enables new decision making capabilities. A wireless network of sensor/transmitters can be distributed to provide a 3-dimensional assessment of water movement both across the grower's field and as it moves from the surface through the root zone. The soil monitoring data stream feeds into a visualization interface that will be incorporated in software based decision aid and crop management tool that helps agricultural producers reduce costs, minimize water and nutrient applications, and better protect the environment by reducing agricultural production inputs.

Abstract: A hydroponic system (1) is provided with a light-collecting apparatus (3) having a pair of reflecting plates (31a) that are vertically arranged in parallel with a culture surface (23) of a culture panel (21) of a hydroponic unit (2). During a process in which natural light taken from a light-collecting opening (30) propagates while repeatedly reflected by opposing reflecting surfaces of a reflecting plates (31a), by allowing seedlings p that are transplanted into the culture panel (21) to be irradiated with the light through a light-emitting hole (32) bored in the reflecting plate (31a), a culture object can be grown efficiently at a low cost by taking natural light from the outside.

Abstract: The invention provides seed and plants of tomato hybrid SV0594TC and the parent lines thereof. The invention thus relates to the plants, seeds and tissue cultures of tomato hybrid SV0594TC and the parent lines thereof, and to methods for producing a tomato plant produced by crossing such plants with themselves or with another tomato plant, such as a plant of another genotype. The invention further relates to seeds and plants produced by such crossing. The invention further relates to parts of such plants, including the fruit and gametes of such plants.

Abstract: The invention provides seed and plants of tomato hybrid FORONTI and the parent lines thereof. The invention thus relates to the plants, seeds and tissue cultures of tomato hybrid FORONTI and the parent lines thereof, and to methods for producing a tomato plant produced by crossing such plants with themselves or with another tomato plant, such as a plant of another genotype. The invention further relates to seeds and plants produced by such crossing. The invention further relates to parts of such plants, including the fruit and gametes of such plants.

Abstract: In a cover member for pet toilet seats, a base section has on the upper surface thereof a sloped surface that gradually slopes downwards from a first end towards a second end. The sloped surface has: a first sloped section arranged on the first end side of the base section; and a second sloped section that is positioned further on the second end side than the first sloped section, slopes to an end edge of the second end, and has a greater slope than the first sloped section. An end edge section has a sloped surface on the upper surface side thereof that gradually slopes downwards as same becomes further removed from the first end of the base section.

Abstract: It is possible to provide an absorbent sheet for pets capable of making a trace of excreta of a pet difficult to be visually recognized. The absorbent sheet for pets comprising: a liquid-permeable top sheet; a liquid-impermeable back sheet; an absorbent core provided between the top sheet and the back sheet; a colored area covered with the top sheet and visually recognizable from the top sheet side; and an aroma chemical provided on the top sheet side relative to the absorbent core. L*value of the colored area in an L*a*b*color system is 50 or less. A total light transmittance of the top sheet is in a range of 40 to 80%.

Abstract: Apparatus for processing containing devices reciprocally connected components, a reception station, and a washing station, and configured to wash the components. The washing station includes a first washer to wash at least one component the components and a second washer machine to wash at least one other component. The apparatus includes a first robotized manipulator at entry to pick up and separate from each other the components of each containing device and to feed at least one of the components toward the first washer machine and at least one other of the components toward the second washer machine. The apparatus includes a second robotized manipulator at exit configured to pick up the components exiting from the first washer machine and from the second washer machine after they have been processed and to assemble them with respect to each other.

Abstract: An animal restraint is provided. The animal restraint includes an elongated rod having a top end and a bottom end. A head mount includes a mount post and a bracket extending from the mount post. The mount post is slidably attached to the top end of the elongated rod. The mount post is rotatable relative to the elongated rod about a longitudinal axis of the elongated rod. The present invention further includes a retractable leash. The retractable leash is secured to the bracket. The retractable leash includes a housing and a leash operable to extend from and retract within the housing. A hook is attached to an end of the leash.

Abstract: A veterinarian e-bowl. The veterinarian e-bowl may be used in conjunction with an animal wearing an Elizabethan collar (“e-collar”) to assist the animal in consuming food and water while allowing the animal to retain the protective e-collar. Thus, the veterinarian e-bowl preferably allows the pet to eat or drink without removal of the e-collar during feeding. The veterinarian e-bowl may embody a small bowl for cats and small dog breeds weighing up to forty-eight pounds. In another embodiment, the veterinarian e-bowl may be directed to medium-size to large-size dog breeds having a weight in the range between approximately forty-nine pounds to eighty pounds.

Abstract: A vibratory pet toy having a pod, the pod being characterized as having an outer shell and housed within it is a rotational motor and eccentric load rotatable by the rotational motor and a power supply for selectively activating the rotational motor. A flexible cover having a top and bottom forms an interior volume and an opening between the top and bottom for gaining access to the interior volume, the pod being sized to selectively pass through the opening to be frictionally secured between the top and bottom and within the interior volume.

Abstract: The disclosed apparatus, systems and methods relate to various devices, systems and methods for gently restraining an unanesthetized laboratory animal, particularly for facial recognition applications. In some applications, the laboratory animal may have been previously cannulated.

Abstract: A device for disposal of waste material includes a handle, a shovel blade, and a catch. The device for disposal of waste material is useful for catching and removing pet waste material as the pet is defecating before falling to ground. The device includes a telescoping handle which allows a user to extend the device to the desired height for comfort. The device uses a group of clips to secure a pet waste bag to the catch which allows for easy installation. When the pet defecates a user simply pushes the catch and shovel blade under the pet to catch the waste, then the user may remove the clips and dispose of the used pet waste bag.

Abstract: Disclosed herein is an animal halter (10) comprising a muzzle (30). The animal halter (10) comprises a nose band (12) having two ends, a muzzle (30) which is attached to or integral with the nose band (12), and a lead attachment loop (26) slidably attached to each of the ends of the nose band (12), wherein in use, tension on the lead attachment loop (26) causes the two ends of the nose band (12) to come together and constrict around the nose of an animal.

Abstract: A pressure distribution element holding a ring, attachable to the horizontal chest strap of a chest harness which is closable-openable by a hook-and-loop fastener, by connecting the chest strap loop section and the chest strap hook section comprising a chest strap connecting portion, and a vertical connecting element connecting the horizontal chest strap of the dog harness to the belly strap, forming a loop around the belly strap by folding back on itself, comprising at least a loop section, continued in a lower loop portion resting on the belly strap of the dog harness.

Abstract: An interactive system for monitoring health and movement of an animal has an elongated band adapted to encircle on a body part of an animal, a tracking chip to monitor movement of the animal within and outside of a geofence, a lock to provide an opening and closing of the elongated band, a means for health monitoring to collect a data set for a plurality of vital signs of the animal, and a user interface to notify a pet owner about the outside movement of the animal from the geofence. Further, the system enables the authorized users to log into the communicating device such as a computer or any other computing device and track the movement and view health information of the animal while it needed.

Abstract: An animal movement prediction method including the steps of establishing, obtaining, processing, receiving and predicting. The establishing step establishes a wireless mesh network of a plurality of remote imaging sensors. Each sensor is established in the wireless mesh network by installing the sensor on an object to detect the animal in a detection zone; and activating the sensor. The obtaining step obtains an image by way of the first imaging sensor. The processing step process the image by removing image information that is not part of an animal in the image thereby creating an animal image and compiling animal detection information of the animal. The receiving step receives animal detection information from the sensors by way of the mesh network. The animal detection information includes a time of detection. The predicting step predicts the future movements of animals dependent upon the animal detection information.

Abstract: A bird feeder with detachable decorative and camouflage features is disclosed. The bird feeder includes a base supporting a housing configured to contain bird feed. In one embodiment, the base includes feeding posts having an annular groove for receiving a synthetic flower and elastic ring to provide a detachable decorative feature. In other embodiments, the bird feeder includes a foliage support having a plurality of foliage receptacles. The foliage receptacles have a serrated inner surface for receiving and retaining the stem of detachable foliage.

Abstract: A bird feeder is provided having a seed reservoir with a side wall that has at least one seed access opening and a squirrel resistant feed port assembly having a seed access restricter. The seed access restricter has a body with an inner opening in communication with the reservoir side wall opening and an outer seed access opening that is spaced away from the inner opening and the reservoir side wall opening while being in communication therewith. The outer seed access opening of the restricter is small enough and the length of the body is long enough that the squirrel resistant feed port assembly allows birds to access seed in the reservoir while blocking entry of the larger facial and head structure of a squirrel, thus preventing squirrels from gaining seed access.

Abstract: The invention relates to methods of increasing the genetic progress of a line, breed or herd of swine through the use of sex-selected sperm cells in artificial insemination techniques. The invention also encompasses methods of artificially inseminating a swine via deep intrauterine catheter or via a laparoscopic procedure, which allow the use of reduced doses of sex-selected sperm cells.

Abstract: The present invention provides a rat embryonic stem cell characterized by having the following properties of (a) expressing Oct3/4 gene and Nanog gene, (b) positive for alkaline phosphatase activity, (c) having an embryoid body forming ability, (d) expressing SSEA (Stage-Specific Embryonic Antigen)-1 and SSEA-4, (e) having the same number of chromosomes as does a normal rat cell, (f) capable of being subcultured and holding the undifferentiated state, (g) having in vitro pluripotency, (h) having a potential to differentiate for cells of three embryonic germ lineages, (i) having teratoma formation ability, and (j) having an ability to produce a chimeric rat, a method of establishing the aforementioned rat embryonic stem cell and the like.

Abstract: The application provides methods of improving a rejection related symptom, reducing premature separation and methods of producing a compound of interest with an altered epitope profile are provided. Knockout pigs with a disrupted gene or genes, and porcine organs, tissues, and cells therefrom are provided.

Abstract: Non-human animals comprising a human or humanized IL-4 and/or IL-4R? nucleic acid sequence are provided. Non-human animals that comprise a replacement of the endogenous IL-4 gene and/or IL-4R? gene with a human IL-4 gene and/or IL-4R? gene in whole or in part, and methods for making and using the non-human animals, are described. Non-human animals comprising a human or humanized IL-4 gene under control of non-human IL-4 regulatory elements is also provided, including non-human animals that have a replacement of non-human IL-4-encoding sequence with human IL-4-encoding sequence at an endogenous non-human IL-4 locus. Non-human animals comprising a human or humanized IL-4R?, gene under control of non-human IL-4R? regulatory elements is also provided, including non-human animals that have a replacement of non-human IL-4R?-encoding sequence with human or humanized IL-4R?-encoding sequence at an endogenous non-human CIL-4R? locus.