19 research outputs found
The effect of soybean oil or sunflower oil supplementation on dairy cow performance and conjugated linoleic acid (cla) in milk
Fresh cassava peel in dairy cattle diet: Effects on milk production, hygienic quality of raw milk and somatic cell counts
Hydrogen cyanide in cassava, which is a cyanogenic plant, was reported to be transformed into the non-toxic
thiocyanate (SCN-
) in cows and is partly eliminated via the milk. Milk SCNis
used in the antimicrobial function of the
lactoperoxidase system (LPS) in milk while lactoperoxidase activity was reported to be useful as a possible indicator of somatic
cell counts (SCC). We investigated the effects on the hygienic quality of raw milk and milk SCC through supplementation of
fresh cassava peel (FCP) in the diets of dairy cattle. Twenty-four Holstein-Friesian crossbred, lactating dairy cows were blocked
by lactation first and then stratified random balanced based on days in milk, milk yield, and body weight into three groups of 8
cows each. The treatment groups were: 1) cows fed a control diet of 6.49 kgDM/d of 21% crude protein concentrate together with
ad libitum corn silage; and 2) and 3) cows were fed the same control diet supplemented with top-dressed 500 and 1000 g/d of
FCP, respectively. Dietary treatments had no effect on nutrient intake, weight change, milk yield or composition. The raw milk
exhibited increased SCNconcentration
and decreased SCC. FCP supplementation greatly increased the efficiency of the
antibacterial activity of the LPS. The results demonstrated that increasing milk SCN- maintained the hygienic quality of the raw
milk by supplementing the diets of dairy cattle with FCP. Since there was also a commensurate reduction in the SCC, it may be
possible to use FCP supplementation as an alternative measure to prevent mastitis in lactating dairy cows
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Effect of Soybean Oil and Lactic Acid Bacteria Supplementation on Performance and CLA Accumulation in Milk of Dairy Cows
Effects of Biotin Supplementation on Milk Production, Milk Composition, Milk Fatty Acids, Ruminal pH, Ammonia Nitrogen and Volatile Fatty Acids in Lactating Dairy Cows
The effect of ruminal bypass fat on milk yields and milk composition of lactating dairy cow
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