搜索结果: 31-45 共查到“农学 Lactation”相关记录50条 . 查询时间(0.233 秒)
Effect of Dietary Fish oil and Soybean Oil on Milk Production and Composition of Holstein Cows in Early Lactation
Milk Milk Fat Omega-3 Fatty Acid Omega-6 Fatty Acid Dairy Cow
<
2016/4/27
Milk was collected from 20 primiparous Holstein cows that were distributed into four groups and arranged in a completely randomized design with a 35-day period to determine the effect of feeding fish ...
Effects of Feeding Extruded Soybean, Ground Canola Seed and Whole Cottonseed on Ruminal Fermentation, Performance and Milk Fatty Acid Profile in Early Lactation Dairy Cows
Extruded Soybean Ground Canola Seed Whole Cottonseed Ruminal Fermentation Milk Fatty Acid Dairy Cows
<
2016/4/27
Four ruminally cannulated Holstein cows averaging 43 days in milk (DIM) were used in a 4?? Latin square to determine the effect of feeding extruded soybean, ground canola seed and whole cottonseed on ...
EFFECT OF THE COW AGE GROUP AND LACTATION STAGE ON THE COUNT OF SOMATIC CELLS IN COW MILK
somatic cells test milk yields lactation stage
<
2010/12/6
The aim of the paper was to evaluate the effect of the cow age group and lactation stage on the count of somatic cells in cow milk. The analysis was made based on the breeding documentation of 11359 t...
Lactation Performance of Crossedbred Dairy Cows in the Sudan
lactation length lactation yield daily milk yield percentage foreign blood sire breed
<
2010/11/10
This study was conducted to investigate the factors that have influence on the lactation traits of crossbred dairy cows in the Sudan; data comprising some productive traits such as milk yield/ lactati...
Microbial protein synthesis, digestion and lactation responses of cows to grass or grass-red clover silage diet supplemented with barley or oats
dairy cows grass silage red clover barley oats rumen fermentation microbial protein milk fat composition
<
2010/8/10
The study was conducted to evaluate effects of silage type (grass-red clover vs. pure grass) and grain supplement (oats vs. barley) on rumen fermentation, post-ruminal nutrient flows, diet digestion a...
Effect of Season, Parity and Lactation on Reproductive Performance of Sows in a Tropical Humid Climate
Reproductive Performance Sow Parity Tropical Climate
<
2016/4/21
The aim of this study was to analyze post-weaning reproductive performance of Large White sows in relation to season, parity and their lactation performance under tropical conditions in Guadeloupe (Fr...
THE IMPORTANCE OF MONITORING CHANGES IN MILK FAT TO MILK PROTEIN RATIO IN HOLSTEIN COWS DURING LACTATION
milk fat milk fat to protein ratio quality of rennet gel
<
2010/12/1
Milk samples of 24 pure-bred Holstein cows were taken during lactation and changes in milk fat to milk protein ratio and quality of rennet gel were evaluated. The cows were either fi rst (n=12) or sec...
Concentrations of selected toxic elements (cadmium, lead, mercury and arsenic) in ewe milk in dependence on lactation stage
ewe milk cadmium lead mercury arsenic lactation stage
<
2015/6/1
Biological investigations on ewes of Merinolandschaf breed (n = 10) were conducted by the 60th lactation day during the summer on pasture. Ewe milk sampling was carried out on the 2nd; 10th; 30th and ...
Effect of Undegradable Dietary Protein Level and Plane of Nutrition on Lactation Performance in Crossbred Cattle
Undegradable Dietary Protein Rumen Degradable Protein Plane of Nutrition Milk Yield Crossbred Cows
<
2016/4/20
An experiment was conducted in order to assess the effect of level of RDP:UDP ratio and level of feeding concentrate on milk yield, milk composition and nutrient utilization in lactating crossbred cat...
Influence of Fiber Content and Concentrate Level on Chewing Activity, Ruminal Digestion, Digesta Passage Rate and Nutrient Digestibility in Dairy Cows in Late Lactation
Dairy Cows Chewing Activity Rumen Digestion Passage Rate Hay/Concentrate-ratio
<
2016/4/19
The influence of fiber content of hay (low-fiber 47% NDF and high-fiber 62% NDF of DM) and concentrate level (high 50% and low 20% of ration DM) on chewing activity, passage rate and nutrient digestib...
Milk Yield and Immune Response of Periparturient and Early Lactation Friesian Cows Fed Diets Supplemented with a High Level of Amino-acid Chelated Chromium
Chromium Dairy Cows Immune Response Milk Yield
<
2016/4/19
The trial was carried out on twenty-one Friesian cows at the end of eight months gestation, nine multiparous and twelve primiparous; allocated into three groups (1 control, 2 and 3 experimental). The ...
The Contents of Trans Fatty Acids and CLA in Cow Colostrum and Milk Fat in the Early Lactation Period
milk fat trans C18:1 trans C18:2 cis-9 trans-11 C18:2 (CLA) lactation period GLC/TLC-AgNO3 analysis
<
2014/3/17
The trans fatty acids as well as cis-9 trans-11 C18:2 (CLA) were determined in the colostrum and milk fat of individual
cows during up to 82 days of lactation. The analyses were performed using gas ...
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...
Effects of Carbohydrase Supplement on Lactation Performance of Primiparous Sows Fed Corn-Soybean Meal Based Lactation Diet
Carbohydrases Flatulence Producing Compounds Soybean Meal Sows
<
2016/4/15
The experiment was conducted to test the hypothesis that supplementing diets of lactating first parity sows with a mixture of carbohydrases (CS) improves lactation performance and second parity reprod...
Effect of Supplementary Feeding of Concentrate on Nutrient Utilization and Production Performance of Ewes Grazing on Community Rangeland during Late Gestation and Early Lactation
Supplementary Feeding Nutrient Utilization Production Performance Ewes Community Rangeland Gestation
<
2016/4/13
Malpura and Kheri ewes (76) in their late gestation, weighing 34.40 0.95 kg were randomly selected and divided into 4 groups of 19 each (G1, G2, G3 and G4). Ewes in all the groups were grazed on natur...