Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Jochen Wolf"'
Publikováno v:
Journal of Dairy Science. 97:1092-1106
Improving the feed efficiency of dairy cattle has a substantial effect on the economic efficiency and on the reduction of harmful environmental effects of dairy production through lower feeding costs and emissions from dairy farming. To assess the ec
Publikováno v:
Journal of dairy science. 93(3)
Cases of mastitis from 9,550 lactations of 6,242 cows were recorded on 5 farms in the Czech Republic from 1996 to 2008. The number of clinical mastitis (CM) cases per cow adjusted to a lactation length of 305 d was analyzed with 4 linear single-trait