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Prevalence, Risk Factors and Consequent Effect of Dystocia in Holstein Dairy Cows in Iran
Birth Weight Dystocia Holstein
2016/5/9
The objective of this research was to determine the prevalence, risk factors and consequent effect of dystocia on lactation performance in Holstein dairy cows in Iran. The data set consisted of 55,577...
Relation of Calcium Activity in Milk and Milk Production of Holstein Cows in Hot Season
Calcium Activity Dairy Cows Hot Season Milk Production
2016/5/9
The content of Ca in milk exceeds the typical saturation level of Ca salts, which is necessary for neonate growth. This calcium is distributed between the casein micelles in the colloidal and aqueous ...
Effect on Milking Performance of Vitamin-Trace Element Supplements to Early Lactation Italian Brown Cows Grazing Ryegrass (Lolium multiflorum) Pasture
Cow Pasture Vitamin Trace Element Milk Yield
2016/5/6
The objective of this study was to examine the effects of concentrates containing different levels of a vitamin-trace elements premix on milk yield and composition of dairy cows. The trial, which last...