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Improvement of Milk Fatty Acid Composition for Production of Functional Milk by Dietary Phytoncide Oil Extracted from Discarded Pine Nut Cones (Pinus koraiensis) in Holstein Dairy Cows
Dairy Cow Fatty Acids Feed Additive Milk Phytoncide Oil
2016/12/28
This study was conducted to examine the effects of adding phytoncide oil extracted from Korean pine nut cone byproduct to the diet of dairy cows on milk yield and compositions, fatty acid characterist...
Reproductive Performance of Holstein Dairy Cows Grazing in Dry-summer Subtropical Climatic Conditions: Effect of Heat Stress and Heat Shock on Meiotic Competence and In vitro Fertilization
Artificial Insemination Heat Shock Oocyte Meiotic Maturation Maternal Heat Stress
2016/5/18
The present study was designed to evaluate how environmental factors in a dry-summer subtropical climate in Terceira-Azores (situated in the North Atlantic Ocean: 38° 43′ N 27° 12′ W) can affect dairy...
Fatty acid intake and rumen fatty acid composition is affected by pre-grazing herbage mass and daily herbage allowance in Holstein dairy cows
linolenic acid rumen fatty acids metabolism
2014/10/28
The objective of this study was to investigate the effect of level of pre-grazing herbage mass (HM) and daily herbage allowance (DHA) on the fatty acid (FA) intake and composition of ruminal content o...
Effect of Feeding Bacillus subtilis natto on Hindgut Fermentation and Microbiota of Holstein Dairy Cows
Bacillus subtilis natto Dairy Cow Fecal Microbiota DGGE
2016/5/16
The effect of Bacillus subtilis natto on hindgut fermentation and microbiota of early lactation Holstein dairy cows was investigated in this study. Thirty-six Holstein dairy cows in early lactation we...
Improving Productive and Reproductive Performance of Holstein Dairy Cows through Dry Period Management
Reproductive Performance, Holstein Dairy Cows
2016/5/11
To determine the effects of dry period (DP) length on milk yield, milk composition, some blood metabolites, complete blood count (CBC), body weight and score and follicular status, twenty five primipa...
Prevalence, Risk Factors and Consequent Effect of Dystocia in Holstein Dairy Cows in Iran
Birth Weight Dystocia Holstein
2016/5/9
The objective of this research was to determine the prevalence, risk factors and consequent effect of dystocia on lactation performance in Holstein dairy cows in Iran. The data set consisted of 55,577...
Effects of Polyurethane Coated Urea Supplement on In vitro Ruminal Fermentation, Ammonia Release Dynamics and Lactating Performance of Holstein Dairy Cows Fed a Steam-flaked Corn-based Diet
Polyurethane Coated Urea Rumen Fermentation Ruminal Ammonia Release Lactating Performance
2016/5/4
Three experiments were conducted to investigate the effects of polyurethane coated urea on in vitro ruminal fermentation, ammonia release dynamics and lactating performance of Holstein dairy cows fed ...
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 Different Rumen-degradable Carbohydrates on Rumen Fermentation, Nitrogen Metabolism and actation Performance of Holstein Dairy Cows
Sucrose Rumen Degradable Carbohydrates Rumen Fermentation Nitrogen Metabolism Lactation Performance
2016/4/29
Four multiparous lactating Holstein cows fitted with rumen cannulae were fed diets varying in the amount and source of rumen-degradable carbohydrates (starch vs. sucrose) to examine their effects on r...
Effect of Feeding Ca-salts of Fatty Acids from Soybean Oil and Linseed Oil on c9,t11-CLA Production in Ruminal Fluid and Milk of Holstein Dairy Cows
Ca-salts of Fatty Acids Conjugated Linoleic Acid Milk Production Rumen Fermentation Vaccenic Acid
2016/4/28
The objective of this study was to investigate the effect of dietary supplementation with calcium salts of soybean oil fatty acids (CaSO) and linseed oil fatty acids (CaLO) on c9,t11-CLA production in...
Prediction of Dry Matter Intake in Lactating Holstein Dairy Cows Offered High Levels of Concentrate
DM Intake Prediction Model Lactation Dairy Cow
2016/4/27
Accurate estimation of dry matter intake (DMI) is a prerequisite to meet animal performance targets without penalizing animal health and the environment. The objective of the current study was to eval...
Relationship between the Polymorphisms of 5''Regulation Region of Prolactin Gene and Milk Traits in Chinese Holstein Dairy Cows
Prolactin (PRL) PCR-RFLP PCR-SSCP Milk Traits
2016/4/21
Prolactin (PRL) plays an important role in promoting mammalian mammary gland development, and milk production during lactation. Therefore the PRL gene was chosen as a candidate gene for milk traits in...
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
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...