54 Effects of copper, zinc, and manganese source and concentration during late gestation on beef cow performance, fetal growth, and mineral status of cows and neonatal calves.

Multiparous, fall-calving, Sim-Angus cows (n = 48; 649 ± 80 kg BW; 5.3 ± 0.5 BCS; 4.3 ± 1.2 yr) were individually-fed tall fescue-based hay (12.2% CP, 61.5% NDF) and supplemented to meet/exceed nutrient recommendations except Cu, Zn, and Mn. From 91.2 ± 6.2 d pre-calving, cows received: no additiona...

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Vydáno v:J Anim Sci
Hlavní autoři: Stephenson, E, Rathert, A, Shoemake, B, Nagy, D, Messman, R, Freitas, T, Tucker, H, Meyer, A
Médium: Artigo
Jazyk:Inglês
Vydáno: Oxford University Press 2018
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On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC6285179/
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1093/jas/sky404.854
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