Abstract: An apparatus for the removal of hair from an animal. The apparatus includes a driven comb unit for collecting the hair and a housing for the comb within which the comb unit is arranged to be driven. The housing has an inlet which exposes the comb unit so that it can be moved through the hair of the animal, an outlet for the discharge of hair collected from the animal and an arrangement permitting connection of the outlet to a suction part.The comb unit comprises at least one comb which in turn comprises a comb spine to which are attached a plurality of fingers which are each tapered convergently towards tips thereof. Each finger being bent part way along its length. Each comb is mounted on a rotatable hub member in such way that each comb is substantially freely pivotally displaceable through an arc of movement for all rotary positions of the hub member.

Abstract: A chromogenic substrate for the assay of polysaccharide endo-hydrolases is the reaction product of a polysaccharide susceptible to endo-hydrolase degradation, a chemical reagent for increasing the solubility of the polysaccharide so as to increase its susceptibility to enzyme degradation, and a dye substance for coloring the polysaccharide and rendering it capable of estimation by absorption spectrometry. The amount of chemical reagent should be such as to produce a degree of chemical substitution in the range 0.06 to 0.6 DS.