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Effects of dietary protein level on growth performance and nitrogen excretion of dairy heifers
Heifers Growth Performance Protein Nitrogen Excretion
2017/3/9
Protein supplementation is costly and can result in excess nitrogen (N) excretion. The objective of this study was to evaluate the effects of feeding different levels of dietary protein on average dai...
Intrafollicular LH administration in dairy heifers treated with a GnRH agonist
intrafollicular treatment double channel system luteinising hormone deslorelin cattle
2015/4/17
The aim of this study was to evaluate the effect of intrafollicular treatment (IFT) with different doses of luteinising hormone. Experimental heifers were treated with a single deslorelin implant to d...
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...
Feeding Behavior of Pregnant Dairy Heifers during Last Trimester under Loose Housing System
Drinking Heifer Eating Pregnant Rumination Time Budget
2016/5/3
Thirty pregnant heifers (Jersey, Holstein Friesian and Hariana) were divided into three groups (10 animals/group) according to their stage of pregnancy viz. seven-month (181-210 days) pregnancy (SMP),...
Feeding Behavior of Pregnant Dairy Heifers during Last Trimester under Loose Housing System
Drinking Heifer Eating Pregnant Rumination Time Budget
2016/4/26
Thirty pregnant heifers (Jersey, Holstein Friesian and Hariana) were divided into three groups (10 animals/group) according to their stage of pregnancy viz. seven-month (181-210 days) pregnancy (SMP),...
Comparison of Two Different Schemes of Once-weekly Ovum Pick Up in Dairy Heifers
Ovum Pick Up Dairy Heifer Oocyte Follicle
2016/4/18
To compare two different schemes, continuous scheme (CS) and discontinuous scheme (DCS), of once-weekly ovum pick up (OPU) with ultrasound-guided follicular puncture technique, Holstein heifers were r...
Effect of Stepped Pattern of Feed Intake Using Rice Straw as Roughage Source on Regulation of Growth, Reproduction and Lactation in Dairy Heifers
Compensatory Growth Milk Yield Rice Straw Dairy Heifers
2016/4/15
An attempt was made to improve the efficiency of growth and lactation performance of dairy heifers subjected to a stair-step growth scheme using rice straw as the sole roughage source. Twenty-four you...