Effect of ractopamine on growth, carcass traits, and fasting heat production of U.S. contemporary crossbred and Chinese Meishan pure- and crossbred pigs.

doi:10.2527/1991.69124810x

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Article

Effect of ractopamine on growth, carcass traits, and fasting heat production of U.S. contemporary crossbred and Chinese Meishan pure- and crossbred pigs.

Journal of animal science - 1 Dec 1991

Yen J T, Nienaber J A, Klindt J, Crouse J D

Abstract excerpt

Twenty-four U.S. crossbred (Duroc x White composite; D x Wc; 83.9 kg), 24 purebred Meishan (M; 59.4 kg), and 24 Meishan x White composite crossbred (M x Wc; 83.4 kg) barrows were allotted within genotype to a 16% CP corn-soybean meal diet or this basal diet + 20 ppm of ractopamine and allowed ad...

Topics

Animals
Body Composition
Body Temperature Regulation
Breeding
Calorimetry
Crosses, Genetic
Eating
Genotype
Meat
Organ Size
Phenethylamines
Swine
Weight Gain

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