Fat supplementation ("Flushing") on the postpartum beef cows submitted to early weaning: performance Suplementação com gordura ("Flushing") para vacas de corte no pós-parto submetidas ao desmame precoce: desempenho animal

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ID: 275716
2008
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Abstract
The effects of short-time fat supplementation flushing on animal performance (final body weight and average daily gain) of postpartum beef cows, submitted to the early weaning were evaluatrd. Two hundred and fifty eight beef cows from the following genetic groups were used: Aberdeen Angus (n = 21), Aberdeen Angus x Canchim (n = 20), Canchim x Aberdeen Angus (n = 52), Charoles x Caracu (n = 29), Charolês (n = 18), Cachim (n = 34), Caracu (n = 35), Caracu x Charoles (n = 26) and Purunã (n = 23), with 418.1±14.0 kg of body weight and pregnant. These animals were split into two treatments: flushing (30% soybean grain + 70% corn ground grain) and without supplementation. There was no flushing effect on final body weight (436.6 kg) and average daily gain (0.83 kg). November period, cows had higher final body weight (441.6 kg) and average daily gain (1.01 kg). There was no effect of flushing on variables.
O objetivou-se, neste experimento, avaliar o efeito da suplementação de gordura por um curto período de tempo (flushing) sobre o desempenho animal (peso vivo final e ganho médio diário) de fêmeas de corte no pós-parto, submetidas ao desmame precoce. Foram utilizadas 258 vacas, dos grupos genéticos: Aberdeen Angus (n = 21), Aberdeen Angus x Canchim (n = 20), Canchim x Aberdeen Angus (n = 52), Charolês x Caracu (n = 29), Charolês (n = 18), Cachim (n = 34), Caracu (n = 35), Caracu x Charolês (n = 26) e Purunã (n = 23), com peso vivo médio de 418,1±14,0 kg e diagnóstico de prenhez positivo. Os animais foram distribuídos nos tratamentos flushing (30% de grão de soja + 70% de milho grão moído) e não suplementados. Foram avaliados três períodos de acordo com a ordem de parição: setembro, outubro e novembro. Não houve efeito do flushing sobre o peso vivo final (436,6 kg) e ganho médio diário (0,83 kg). O período de novembro apresentou maior peso vivo final (441,6 kg) e ganho médio diário (1,01 kg). O fornecimento de gordura (flushing) para fêmeas de corte no pós-parto não resultou em ganhos de peso vivo.
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Authors Moletta, José Luiz;Perotto, Daniel;Zeoula, Lúcia Maria;Prado, Ivanor Nunes do;Müller, Mylene;Silva, Robério Rodrigues;Marques, Jair de Araújo;
Journal revista brasileira de saúde e produção animal
Year 2008
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