Two inbred strains of rats were compared as to their ability to incorporate methionine into surviving liver slices. The strains differed significantly in body weight and their reciprocal cross offspring showed marked heterosis. The J strain was built up from four females and two males of a single litter of the Wayne University Fisher line No. 344, with a pedigree of forty-five generations of si...

The objective of the present study was to evaluate the effects of inbreeding on average daily gains and Kleiber ratios in Moghani sheep. Traits included average daily gain from birth to 3 months (ADG1), average daily gain from birth to 6 months (ADG2), average daily gain from 3 months to 6 months (ADG3), average daily gain from 3 months to 9 months (ADG4), average daily gain from 3 months to ye...