Author

Marcio S. Duarte

2 papers indexed here

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Open access Sep 2026

PS12-15. Effects of Prenatal Vitamin A Administration on Skeletal Muscle Development and Growth of Beef Calves.

The objective of this study was to evaluate the effects of late-gestation maternal vitamin A administration on offspring growth performance, muscle gene expression, and carcass-related traits. The experiment was conducted over two years, using a total of 41 purebred Bos indicus (Tabapuã) pregnant cows. At 245 days of...

Andrey S. Miranda, J. Oliveira, A. X. Mucida et al. · Journal of Animal Science · 0 citations

Open access Sep 2026

PS12-11. Prepartum Rumen-Protected B Vitamin Complex Supplementation Improves Maternal Reserves, Colostrum Yield, and Reproductive Responses in Beef Cows.

Late gestation is characterized by increased metabolic demands that may compromise maternal reserves and influence fetal development and postpartum performance in beef cows, and B-complex vitamins act as essential cofactors in oxidative metabolism, gluconeogenesis, and one-carbon metabolism, with their availability p...

L. Kladt, Ana Clara Araújo, Salvador Venuto et al. · Journal of Animal Science · 0 citations