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Defining a nitrogen efficiency index in Holstein cows and assessing its potential effect on the breeding program of bulls

ABSTRACT: The purposes of this study were (1) to explore the relationship between 3 milk mid-infrared predicted features including nitrogen intake (NINT), milk true protein N (MTPN), and milk urea-N yield (MUNY); (2) to integrate these 3 features into an N efficiency index (NEI) and analyses approxi...

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Hlavní autoři: Y. Chen, H. Atashi, C. Grelet, S. Vanderick, H. Hu, N. Gengler
Médium: Artigo
Jazyk:Inglês
Vydáno: Elsevier 2022-09-01
Edice:Journal of Dairy Science
Témata:
N intake
genetic correlation
health
mid-infrared spectrum
On-line přístup:http://www.sciencedirect.com/science/article/pii/S0022030222004350
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