Abstract: A method is disclosed for the production of multiple proteins in transgenic plants. A DNA construct for introduction into plants includes a provision to express a fusion protein of two proteins of interest joined by a linking domain including plant ubiquitin. When the fusion protein is produced in the cells of a transgenic plant transformed with the DNA construction, native enzymes present in plant cells cleave the fusion protein to release both proteins of interest into the cells of the transgenic plant. Since the proteins are produced from the same fusion protein, the initial quantities of the proteins in the cells of the plant are approximately equal.

Abstract: A device is disclosed that completely cuts out and removes the vent, including its orbicular muscle, of a slaughtered animal, such as poultry, pigs or other such animals. A centering pin nests within a holding element that has a roughened face surface for capturing the skin of the animal around the vent. The holding element is coaxial with a generally cylindrical, rotary cutter. The pin inserts into the vent and the holding element is then extended to contact the skin of the animal near the vent. The pin, which terminates in a cone-shaped knob, is then moved slightly away from the animal and toward the holding element, thereby capturing the orbicular muscle of the vent between the shoulder of the pin and a recess within the holding element. The holding element has a roughened face surface, preferably beveled, which contacts the skin and may form it into folds for easier cutting. The holding element is nested within and coaxial to the cutter; only a very small gap separates the holding element from the cutter.