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Effects of high air temperatures on milk efficiency in dairy cows
dairy cows milk production milk composition high air temperatures elevation housing breed cooling
2015/6/2
26 herds with 71 586 individual records were used. We tested a hypothesis that milk efficiency was influenced by the elevation of the farm, housing system, breed, area of altitude, and by the cooling ...
Effects of Replacement of Concentrate Mixture by Broccoli Byproducts on Lactating Performance in Dairy Cows
Broccoli Byproducts Rumen Fermentation Milk Yield Milk Composition
2016/5/19
The objective of the present study was to determine the effects of feeding pelletized broccoli byproducts (PBB) on milk yield and milk composition in dairy cows. In Trial 1, an in vitro gas test deter...
Effects of Corn and Soybean Meal Types on Rumen Fermentation, Nitrogen Metabolism and Productivity in Dairy Cows
Corn Soybean Meal Nitrogen Metabolism Productivity Dairy Cow
2016/5/18
Twelve multiparous Holstein dairy cows in mid-lactation were selected for a replicated 4×4 Latin square design with a 2 ×2 factorial arrangement to investigate the effects of corn and soybean meal (SB...
Changes of Serum Calcium Concentration, Frequency of Ruminal Contraction and Feed Intake Soon after Parturition of Dairy Cows Fed Difructose Anhydride III
Dairy Cows Difructose Anhydride III Feed Intake Serum Calcium Concentration Ruminal Contraction
2016/5/17
Requirements to control the large decrease in serum calcium (Ca) due to parturition and to increase the feed intake soon after parturition have been well accepted in dairy cows. This study was aimed t...
Effects of Combination of Rice Straw with Alfalfa Pellet on Milk Productivity and Chewing Activity in Lactating Dairy Cows
Alfalfa Pellet Chewing Activity Dairy Cattle Milk Productivity Rice Straw Timothy
2016/5/16
An experiment was conducted to determine the effects of diets containing coarse-texture rice straw and small particle size alfalfa pellets as a part of total mixed ration (TMR) on milk productivity an...
Effect of oral administration of propylene glycol during periparturient period on blood biochemical parameters and liver triacylglycerol accumulation in postparturient dairy cows
dairy cow fatty liver propylene glycol
2011/1/13
Effect of propylene glycol administered during the periparturient period on blood biochemical parameters and liver triacylglycerol accumulation was studied in 35 dairy cows. Sixteen control cows were ...
Omasal sampling technique in estimation of the site and extent of mineral absorption in dairy cows fed rapeseed and soybean expellers
calcium magnesium potassium phosphorus sodium sulphur digestibility
2010/8/10
The effects of rapeseed and soybean expeller on digestion of sodium, potassium, calcium, magnesium, phosphorus and sulphur in dairy cows were investigated in a study conducted as an incomplete Latin s...