Means and standard deviations for 4,664 age-adjusted 305-day lactational records on 3,472 Holstein-Friesian cows were milk 6,820 ±1,384kg; fat, 3.67±.41% and 245±50kg; solids-not-fat, 8.51±.37% and 560±112kg. Age at calving accounted for 10.0–14.3% of the total variance in ...
Three pairs of identical twin cows were given at different times, according to a Latin square design, 6 levels of growth hormone as single injections. Significant increases of milk yield were obtained from all levels. and the increase was proportional to the log of the dose of hormone. Butter...
In order to evaluate the quality of chicken manure as animal feed and its effect on chemical and mineral composition of milk as well as on mineral composition of blood serum of dairy cows grazing in dry tropical conditions, 18 dairy cows of similar weight and number of births were studied. ...
The composition was determined of 636 samples of cows' milk obtained from 53 dairies and 119 samples of goats' milk obtained from 11 dairies in different parts of Norway during 1949. Average composition figures, for cows' and goats' milk respectively were as follows: butter-fat, 3.82 and 3.48...
Milk composition of donkey population was compared with goat and cow breeds. Manual milking was carried out only once a day after separation of asses from their colt. Bovine milk was obtained from 73 animals (Holstein breed) reared in 5 private farms situated in kef, cows were mechanically ...
Four ruminally lactating Holstein cows averaging 602±25kg of body weight and 64±6 d in milk at the beginning of the experiment were randomly assigned to a 4 × 4 Latin square design to determine the effects of feeding whole flaxseed and calcium salts of flaxseed oil on dry matter intake,...
Modifying milk composition through forage The fatty acid (FA) composition of cows milk has become less favorable to human health in the last four decades due to changed feeding and management pract... A Elgersma,S Tamminga,G Ellen - 《Animal Feed Science & Technology》 被引量: 277发表: ...
这份单独详细的分析是由那些来自克隆动物和它的后代的奶和肉的构成成分组成的。 article.yeeyan.org 2. Influence of Lactic Acid Bacteria Silage on Milk Yield and Milk Composition of Milk cows 乳酸菌发酵青贮对奶牛产奶量及乳成分的影响 www.ilib.cn©...
Milk production, milk composition, rate of milking and grazing behaviour were measured for lactating Jersey cows having both the first opportunity to graze (leaders) and also when offered the remaining herbage (followers) from 3-week regrowths of two nitrogen-fertilized tropical pastures, Rhodes gra...
Composition of the Essential oil of Artemisia absinthium from Tajikistan Three samples of Artemisia absinthium were collected from two different locations in the central-south of Tajikistan. The essential oils were obtained by h... FS Sharopov,VA Sulaimonova,WN Setzer - 《Records of Natural ...