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Differential responses to soybean meal and canola meal based diet protein levels in mid-lactation dairy cows with different milk yield and parity. [PDF]

open access: yesVet Anim Sci
Yang ZQ   +12 more
europepmc   +1 more source

Effect of increasing arginine:lysine ratio during the transition period and lactation on farrowing kinetics, milk composition, and sow and litter performance. [PDF]

open access: yesTransl Anim Sci
Virdis S   +9 more
europepmc   +1 more source
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The definition of milk yield and milk fractions in lactating animals

The Journal of Agricultural Science, 1973
There is considerable confusion in some lactation studies as to the meaning of the term milk yield. Furthermore, the various fractions of milk yield are ill defined. This note proposes a standardization of terminology on this subject. The problem is general and applies to all mammals. We will discuss it, however, in terms of the dairy sheep, the animal
M. Morag, R. Sagi, E. Eyal, Y. Folman
openaire   +1 more source

The effect of udder infections on the lactation yield of milk and milk solids

Journal of Dairy Research, 1960
SummaryData available for fifty cows mainly infected with Staphylococcus pyogenes have been analysed to determine the effects of udder infections and mastitis on milk, fat and solids-not-fat yield and on fat and solids-not-fat percentages over full lactations.It was found that lactation yields of milk, solids-not-fat and fat were depressed by 10, 11 ...
J. O'Donovan, F. H. Dodd, F. K. Neave
openaire   +1 more source

Yield and composition of milk from lactating mares: effect of lactation stage and individual differences

Journal of Dairy Research, 1990
SummaryThe yields and composition of milk from nursing mares were studied during the first two months of lactation in 11 mares of heavy breeds (784 kg). Daily yield increased from 21·7 to 24·6 kg between weeks 1 and 8 of lactation. Fat, protein, gross energy and Ca concentrations significantly decreased when lactose content increased during this period.
Doreau, Michel, M.   +3 more
openaire   +3 more sources

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