Desempenho de produção de cordeiros recém-nascidos rejeitados alimentados com diferentes concentrações de soro de leite no Peru
DOI:
https://doi.org/10.5965/223811712322024231%20Palavras-chave:
cordeiros rejeitados, inclusão de soro de leite, SAIS Pachacutec, dietas em cordeiros, leite de vacaResumo
O efeito da inclusão de soro de leite na dieta de cordeiros fêmeas e machos em crescimento foi avaliado no SAIS Pachacutec - Peru. Foram selecionados 80 cordeiros rejeitados pela mãe da raça Corriedale. Cada tratamento foi distribuído aleatoriamente em quatro grupos n=20 (10 fêmeas e 10 machos) e cada grupo foi distribuído em quatro tratamentos: T0 (0% de soro de leite); T1 (20% de soro de leite); T2 (40% de soro de leite) e T3 (60% de soro de leite), que foram adicionados à ração básica (leite fresco de vaca). Os componentes nutricionais da dieta foram avaliados e as tabelas do NRC foram consideradas para fornecer a quantidade de leite de acordo com seu desenvolvimento, crescimento e peso corporal. Foi realizado um período de adaptação de cinco dias com a ração e 40 dias de teste. Foram cadastrados os pesos iniciais (kg), os pesos finais e o ganho de peso (kg) e o ganho de peso diário (g). Os resultados mostraram que não houve diferenças (p>0,05) para os pesos iniciais. No entanto, os pesos finais e o ganho de peso diário apresentaram diferenças significativas (p<0,05) entre os tratamentos e os gêneros. T0 e T1 com gênero machos apresentaram médias mais altas para o peso final (6,247 ± 0,03 kg) e (6,244 ± 0,03 kg), respectivamente, bem como para o ganho de peso diário (77,7 ± 0,67 g) e (77,7 ± 0,6 g), respectivamente. Os resultados sugerem que a dieta com 20% de soro de leite e 80% de leite de vaca fresco melhorou o crescimento e o desenvolvimento de cordeiros rejeitados.
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