Effects of Rapeseed meal replacement by Soybean meal on productive traits of fresh Holstein cows
Subject Areas : clinical veterinary science
1 - Department of Agriculture (Animal Science),Payam Noor University,Tehran,Iran
Keywords: milk composition, soybean meal, rapeseed meal, Holstein cows,
Abstract :
The aim of in this study was effect of different level replacement soybean meal and canola meal and its effectin Dry matter, production and milk composition Glocose and BUN of dairy cow. here of 24 Holstein cows wereselected randomly.Treatments were diets containing different levels of 0,5,10 and 15 percent rapeseed mealwas replaced with soybean meal. Then The blood and milk samples from cows were then and Analyzed by Sasand Glm.The results showed no signifcant differences between any of the treatments (P≥0.50) in case of milkprotein percentage, fat percentage, the percentage of lactose, glucose levels and blood BUN. Effect of time on allcomponents of the study was signifcant (P≤ 0.50).The test results showed that the soybean meal with canola mealwithout detrimental effects on production parameters and blood metabolites in dairy cows fed soybean meal wasreplaced every level.
