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Responses of Holstein Cows to Different Bovine Somatotropin (bST) Treatments during the Transition Period and Early Lactation
Holstein Cows Milk Production bST Doses DMI Transition Period Hormones
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2016/4/15
Major objective was to evaluate three doses of bST (POSILAC짰) injected into Holstein cows during the transition period and through 56 d of lactation for potential to improve DMI, BCS, BW, metab...
Effects of Milk Production, Season, Parity and Lactation Period on Variations of Milk Urea Nitrogen Concentration and Milk Components of Holstein Dairy Cows
Milk Urea Nitrogen Milk Production Non-nutritional Factors Dairy Cows
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2016/4/15
The study was conducted to assess the effect of milk production, parity, stage of lactation, season and individual milk components themselves on milk urea nitrogen (MUN) concentration and other milk c...
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
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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 ...
Genetic Relationship between Milk Production, Calving Ease and Days Open at First Parity in Holstein Cows
Korean Holstein Reproductive Performance Calving Ease Days Open
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2016/4/14
Data containing 14,188 lactation and reproductive records of Korean Holstein cows at first parity distributed across 3,734 herd-year-season groups were analyzed to get genetic (co)variance estimates f...
Comparison of Natural Resistance-Associated Macrophage Protein (NRAMP)1 Expression between Cows with High and Low Milk Somatic Cells Counts
NRAMP1 RT-PCR Bovine mastitis Staphylococcus aureus
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2016/4/14
Studies using natural resistance-associated macrophage protein (NRAMP) identification indicated that cattle could be selected for immunity. Several studies performed on intracellular organisms such as...
Effects of Timing of Initial Cutting and Subsequent Cutting on Yields and Chemical Compositions of Cassava Hay and Its Supplementation on Lactating Dairy Cows
Cassava Hay Cutting Foliage Milk Yield and Compositions Concentrate Rumen Environment
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2016/4/14
Two experiments were conducted to examine the production and quality of cassava hay and its utilization in diets for dairy cows. In experiment I, a 2횞2 Factorial arrangement in a randomized com...
Effect of Vitamin E Supplementation on Plasma Antioxidant Vitamins and Immunity Status of Crossbred Cows
Vitamin E Retinol Total Antioxidant Activity Immunoglobulin Cows
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2016/4/14
Twenty crossbred (HF횞Tharparkar) dry pregnant cows were divided into four equal groups. They were supplemented with 1,000 I.U. a-tocopheryl acetate from 0 (group I), 15 (group II), 30 (group II...
Urinary Estrone Sulfate for Monitoring Pregnancy of Dairy Cows
Dairy Cow Estrone Sulfate Progesterone Urine
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2016/4/13
The purpose of this study firstly was conducted to establish a radioimmunoassay (RIA) of estrone sulfate ( E1S ), secondly to monitor the reproductive status of dairy cows using their urine samples. U...
Functional Characterization of Mammary Gland of Holstein Cows under Humid Tropical Summer Climates
Tropics Holstein Cow Lactation N-Acetylglucosaminidase Urea
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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...
Effects of Gestational Status on Apparent Absorption and Retention of Copper and Zinc in Mature Angus Cows and Suffolk Ewes
SCopper Zinc Gestation Cow Ewe
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2016/4/13
Six mature purebred Angus cows (3.5 1.5 years of age, 631.36 8.63 kg), three pregnant (250 7 days pregnant) and three non-pregnant and eight mature Suffolk ewes (5 1.2 years of age, 68.18 2.3 kg) four...
Fertility of Holstein Cows in Chengdu, China
Holstein Estrus Detection Conception Rate Calving Interval
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2016/4/12
Data on the use of breeding records of dairy cattle farm of Fenghuang-shan in Chengdu areas during a period of six years is systematically analyzed. The results show that Holstein heifers have their 1...
Heritability and Repeatability Estimates for Reproductive Traits of Japanese Black Cows
Reproductive Trait Japanese Black Cattle REML Heritability Repeatability
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2016/4/12
Reproductive data collected from more than 20,000 Japanese Black cows of Hyogo and Shimane Prefectures were analyzed. Averages of age at first calving, gestation length, days open and calving interval...
Post Milking Teat Dip Effect on Somatic Cell Count, Milk Production and Composition in Cows and Buffaloes
Somatic Cell Counts Teat Dip Milk Production and Composition Cows and Buffaloes
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2016/4/12
The effect of post milking teat dipping on somatic cell count (SCC) of milk was determined in 20 Crossbred cows and 20 Murrah buffaloes selected from institute''''s herd. The animals were divided into...
Estimation of Genetic Parameters for Calving Ease by Heifers and Cows Using Multi-trait Threshold Animal Models with Bayesian Approach
Calving Ease Genetic Parameter Multivariate Threshold Model Bayesian Method
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2016/4/11
Genetic parameters for birth weights (BWT), calving ease scores observed from calves born by heifers (CEH), and calving ease scores observed from calves born by cows (CEC) were estimated using Bayesia...