The objective was to evaluate the effect of supplementation or not of 10 ppm of ractopamine in diets for swine females in the final stage of finishing, on carcass characteristics and meat quality, 54 animals were used, with an initial average weight of 98 kg (± 0 , 9 kg), distributed in a completely randomized design composed of two treatments, 27 repetitions and one animal per experimental unit. The treatments used were diets without or with supplementation of 10 ppm of ractopamine, for 21 days. The supplementation of ractopamine in diets for female pigs in the final finishing phase influenced the parameters of carcass characteristics and meat quality of the animals. Significant effects were observed (P <0.05) for all evaluated carcass characteristics, except for carcass yield and meat quality: hot and cooled straight carcass, loss of carcass on cooling, lean meat in the carcass, water loss by dripping, shear force on day 7 and water loss by cooking on day 14, there was no effect (P> 0.05) for water loss by cooking on days 1 and 7 and shear force on day 14. With the addition of 10 ppm of ractopamine in the diet of the finishing female pigs for 21 days, it obtained influence on the meat quality, providing better parameters of carcass characteristics, with higher yield of lean meat in the carcass.
As cadeias produtivas de proteínas animais têm evoluído e se adequado a nichos de ofertas e demandas no cenário mundial. As prerrogativas de produção e processamentos de carnes exigiram ao longo do tempo normas de bem-estar animal, boas práticas de fabricação, classificação e tipificação de carcaças. Cada espécie se ajusta com relação a esses protocolos de pré e produção, com seus gargalos e ajustes, bem como seus procedimentos que se alteram no momento de avaliação de qualidade e tipificação de carcaças. O intuito vai além de atender a vários tipos de normatizações ao longo do mundo, bem como demandas de consumidores e exigências de mercado. Quando se trata das principais proteínas animais consumidas, de suíno, bovino e de aves, se avaliam diversos nichos principais: o nicho brasileiro para consumo interno e os diferentes nichos de exportação. Com base nisso, objetivou-se revisar as normas de pré-produção, produção, diretrizes de bem-estar animal bem como classificação e tipificação de carcaça das espécies suínas, bovinas e aves.
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