Effects of production stage and fertility traits on milk production of pasture-grazed Holstein and Jersey cows in a Mediterranean-type climate region

The aim of this study was to compare the milk production of Holstein and Jersey cows on pasture as affected by parity, lactation stage, calving season, age at first calving, and calving interval. Test-day lactation records of 122 Holstein and 99 Jersey cows, varying from parities 1 to 6, were collec...

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Vydané v:	South African journal of animal science Ročník 52; číslo 4; s. 552 - 562
Hlavní autori:	Bangani, N.M., Muller, C.J.C., Dzama, K., Cruywagen, C.W.C, Imbayarwo-Chikosi, V.E.
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	South African Society for Animal Science (SASAS) 01.01.2022 Sabinet Online
Predmet:	age at first calving calving season Dairy industry dry matter intake inter-calving period International economic relations lactation stage parity Production data South Africa
ISSN:	0375-1589, 2221-4062
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