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Effect of herd, parity, stage of lactation and milk yield on urea concentration in milk
dairy cow milk urea non-nutritional factors
2015/6/2
The objective of this study was to determine how non-nutritional factors such as herd, parity, days in milk, milk production, and milk components affect the concentration of milk urea. A retrospective...
Effects of fat-protein supplementation of diets for cows in early lactation on milk yield and composition
dairy cows CaFA salts milk composition yield
2015/6/2
An experiment was performed on 37 Holstein-Friesian cows during the first 120 days of lactation. The cows were fed balanced diets composed of haylage and maize silage (together 52% dry mater) and a co...
Nutrition-induced Changes of Growth from Birth to First Calving and Its Impact on Mammary Development and First-lactation Milk Yield in Dairy Heifers: A Review
Cattle Heifer Growth Mammary Development Milk Yield
2016/5/10
This review focuses on the nutritional effects from birth until age at first calving on growth, mammary developmental changes, and first-lactation milk yield in heifer calves. The advancement in the g...
Effects of Energy Intake on Performance, Mobilization and Retention of Body Tissue, and Metabolic Parameters in Dairy Cows with Special Regard to Effects of Pre-partum Nutrition on Lactation - A Review
Dry Matter Intake Milk Production Dry Period Health Mobilization Metabolic Parameters
2016/5/6
The present review focuses on the effects of energy intake on performance, changes in body tissue during lactation, and metabolic parameters in dairy cows. Especially, pre-partum nutrition and its inf...
Effect of Live Yeast and Mannan-oligosaccharides on Performance of Early-lactation Holstein Dairy Cows
Feed Additive Yeast Mannan-oligosaccharides Dairy Cow Performance
2016/4/29
This study evaluated the effects of live yeast and yeast cell-wall mannan-oligosaccharide supplementation on performance and nutrient digestibility during early lactation in cows fed a diet based on a...
Effect of Undegradable Dietary Protein Level and Plane of Nutrition on Lactation Performance in Crossbred Cattle
Undegradable Dietary Protein Rumen Degradable Protein Plane of Nutrition Milk Yield Crossbred Cows
2016/4/20
An experiment was conducted in order to assess the effect of level of RDP:UDP ratio and level of feeding concentrate on milk yield, milk composition and nutrient utilization in lactating crossbred cat...
Influence of Fiber Content and Concentrate Level on Chewing Activity, Ruminal Digestion, Digesta Passage Rate and Nutrient Digestibility in Dairy Cows in Late Lactation
Dairy Cows Chewing Activity Rumen Digestion Passage Rate Hay/Concentrate-ratio
2016/4/19
The influence of fiber content of hay (low-fiber 47% NDF and high-fiber 62% NDF of DM) and concentrate level (high 50% and low 20% of ration DM) on chewing activity, passage rate and nutrient digestib...