搜索结果: 1-15 共查到“农学 milk fat”相关记录15条 . 查询时间(0.171 秒)
Effect of the ratios of acetate and β-hydroxybutyrate on the expression of milk fat-and protein-related genes in bovine mammary epithelial cells
ratio of short chain fatty acids milk fat precursor dairy cow milk fat milk protein gene expression
2015/12/17
The objective of this study was to evaluate the effects of the different ratios of acetate and β-hydroxybutyrate (BHBA) on cell viability, triacylglycerol (TAG) content, and mRNA expression of the gen...
The effect of feeding diets markedly differing in the proportion of grass and maize silages on bovine milk fat composition
Keywords:Czech Pied cattle feeding diet
2015/6/8
Ten Czech Pied cows in the mid-lactation stage were fed diets based on grass silage and maize silage. The composition of milk fats differed. The proportions of even-chain saturated fatty acids (SFAs) ...
Effect of mare’s breed on the fatty acid composition of milk fat
fatty acids mare抯 milk breed
2015/6/8
Gas chromatography and IDF Standard method (1999) were used to analyze the fatty acid composition of milk fat of mares originating from the following breeds: 10 of Wielkopolska breed, 10 Konik Polski ...
The effects of feeding various forages on fatty acid composition of bovine milk fat: A review
review bovine milk fat milk fat profile alteration fatty acids CLA rumenic acid vaccenic acid pasture fresh forage silage hay
2015/6/8
The nutritional image of bovine milk fat has suffered for years because of the association of saturated fatty acids and coronary heart disease. Thus the alteration of fatty acid composition has been a...
Fatty acid composition of cow milk fat produced on low-input mountain farms
milk fatty acids CLA
2015/6/8
The fatty acid (FA) composition of bulk milk fat was examined on three mountain dairy farms in the Czech Republic. Milk samples were collected in the period of indoor grass silage feeding (November朅pr...
Fatty acids and composition of their important groups in milk fat of Czech Pied cattle
Czech Pied cattle milk fat fatty acid proportion
2015/6/2
In 2003, 2004 and 2005 milk fat composition was determined three times in 55 dairy cows of Czech Pied cattle housed in a byre with stanchions and fed under conditions usual on Czech production farms. ...
Feeding Unprotected CLA Methyl Esters Compared to Sunflower Seeds Increased Milk CLA Level but Inhibited Milk Fat Synthesis in Cows
CLA-oil, Dairy Cow, Milk Fat, Sunflower Seeds
2016/5/9
An experiment was conducted to compare the effect of the same amount of 18:2 offered either as 18:2n-6 or as a mixture of unprotected 18:2c9t11 and 18:2t10c12 on feed intake, milk components as well a...
Conjugated Linoleic Acid in Rumen Fluid and Milk Fat, and Methane Emission of Lactating Goats Fed a Soybean Oil-based Diet Supplemented with Sodium Bicarbonate and Monensin
Lactating Goat Soybean Oil Monensin CLA Milk Methane Emission
2016/5/3
A metabolic study was conducted with four ruminally-cannulated lactating goats (Saanen, 29 weeks lactation, 65 5 kg) in a 44 Latin square design with 4 dietary treatments. The goats we...
Influence of Supplementing Dairy Cows Grazing on Pasture with Feeds Rich in Linoleic Acid on Milk Fat Conjugated Linoleic Acid (CLA) Content
Conjugated Linoleic Acid Milk Serum Bacteria
2016/5/3
Three experiments were conducted to investigate the hypothesis that cows grazing on pasture produce the highest proportion of c-9 t-11 CLA in milk fat and no further increase can be achieved through s...
Positron annihilation study of structural relaxationand crystallization of glassified milk fat
milk fat amorphous crystallinity defect structure
2008/11/13
Kinetics of the milk-fat phase transformations and the features of its defect structure in amorphous, crystalline and liquid states were studied using the positron annihilation technique. The highest ...
Supplementation with Selenium and Vitamin E Improves Milk Fat Depression and Fatty Acid Composition in Dairy Cows Fed Fat Diet
Cows Selenium Vitamin E Unsaturated Fatty Acid Milk Fat
2016/4/27
This experiment was conducted to evaluate the effect of supplementing a fat diet with selenium (Se) and vitamin E on performance of cows, blood antioxidant status and milk fatty acid composition. Sixt...
Influence of Supplementing Dairy Cows Grazing on Pasture with Feeds Rich in Linoleic Acid on Milk Fat Conjugated Linoleic Acid (CLA) Content
Conjugated Linoleic Acid Milk Serum Bacteria
2016/4/26
Three experiments were conducted to investigate the hypothesis that cows grazing on pasture produce the highest proportion of c-9 t-11 CLA in milk fat and no further increase can be achieved through s...
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...
Comparison of fatty acid composition in milk fat of Czech Pied cattle andHolsteincattle
cows breeds Czech Pied cattle Holstein cattle milk fat fatty acids
2015/6/1
In May 2003 differences in milk fat composition in two main dairy breeds in the Czech Republic, Czech Pied cattle and Holstein cattle, were studied in two uniform groups, each containing eight cows. T...
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 ...