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Optimum Model for Analyzing Lifetime Profitability of Holstein Cows
Relative Net Income Regression Analysis Iranian Holstein
2016/4/27
This study was on the relative net income (RNI) for 18,286 Iranian Holstein cows from 799 herds, with first freshening between 1991 and 2000. Two kinds of production system, which differed mainly in m...
Milk Protein Production and Plasma 3-Methylhistidine Concentration in Lactating Holstein Cows Exposed to High Ambient Temperatures
Dairy Cows Heat Stress Milk Production Energy Protein Protein Degradation
2016/4/21
This experiment was performed to examine the influences of high ambient temperature on milk production, nutrient digestibility, energy and protein sufficiency ratio, and plasma metabolites concentrati...
Prediction of Future Milk Yield with Random Regression Model Using Test-day Records in Holstein Cows
Test Day Holstein Cows Random Regression Model Future Milk Yield
2016/4/21
Various random regression models with different order of Legendre polynomials for permanent environmental and genetic effects were constructed to predict future milk yield of Holstein cows in Korea. A...
Effect of Close-up Dry Period Protein Level on Preparturiental Nitrogen Balance and Lactating Performance of Primigravid and Multiparous Holstein Cows
Holstein Cow Transition Period Protein Level Nitrogen Balance Milk Production Primigravid Cow
2016/4/21
This study compared the effects of two levels of crude protein (CP) supplementation during a close-up dry period on the productive performance, nitrogen balance, and blood profiles of Holstein cows. E...
Dietary Supplementation of Fat Increased Milk Fat Percentage without Affecting Ruminal Characteristics in Holstein Cows in a Warm Tropical Environment
Holstein Cows Dietary Fat Supplementation Milk Production Ruminal Characteristics
2016/4/14
The purpose of this experiment was to investigate the effect of the diets supplemented with lard or prilled fat (Carolac ) on lactation performance, plasma constituents and ruminal characteristics of ...
Functional Characterization of Mammary Gland of Holstein Cows under Humid Tropical Summer Climates
Tropics Holstein Cow Lactation N-Acetylglucosaminidase Urea
2016/4/13
Physiological parameters were measured on six primiparous, non-pregnant Holstein cows prior to peak lactation over a 3-month summer season in southwestern Taiwan. The objectives were to characterize h...