2016
DOI: 10.4322/rbcv.2016.053
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Parâmetros bioquímicos clínicos de vacas de alta e média produção de leite, criadas em sistema freestall

Abstract: ResumoO objetivo deste trabalho foi avaliar os parâmetros bioquímico-clínicos de vacas primíparas e multíparas de alta e média produção de leite criadas em sistema freestall. Foram utilizadas 174 vacas da raça Holandês, divididas em quatro grupos: primíparas de alta produção (PA, n=37; 42,92±0,78 kg leite/dia); primíparas de média produção (PM, n=50; 26,44±0,91 kg leite/dia); multíparas de alta produção (MA, n=37; 44,28±0,87 kg leite/dia) e multíparas de média produção (MM, n=50; 24,87±0,91 kg leite/dia), com … Show more

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“…AST is an enzyme that shows a positive correlation with increased milk production by the mammary gland and can serve as an indicator of liver and heart problems. It can also reflect increased gluconeogenic activity and enzymatic activity in liver and muscle tissue [41]. Additionally, elevated AST levels can be associated with liver function alterations due to fatty liver infiltration in dairy cows [42].…”
Section: Discussionmentioning
confidence: 99%
“…AST is an enzyme that shows a positive correlation with increased milk production by the mammary gland and can serve as an indicator of liver and heart problems. It can also reflect increased gluconeogenic activity and enzymatic activity in liver and muscle tissue [41]. Additionally, elevated AST levels can be associated with liver function alterations due to fatty liver infiltration in dairy cows [42].…”
Section: Discussionmentioning
confidence: 99%