نتایج جستجو برای: milk fat
تعداد نتایج: 183574 فیلتر نتایج به سال:
The aim of this study was to examine the expression patterns of SREBP-1 gene in milk somatic cells and its association with milk fat yield during early lactation in Sarda breed sheep. A sample of 20 Sarda ewes, aged between 4 and 5 years, in their third to fourth lactation were chosen. From each ewe 28 days after lambing milk yield was measured, and a 160 ml milk sample for the RNA extraction a...
Wiking, L. 2005. Milk Fat Globule Stability Lipolysis with Special Reference to Automatic Milking Systems. Doctoral dissertation. ISSN 1652-6880, ISBN 91-576-7048-X The implementation of automatic milking systems (AMS) initially caused a lowering of the milk quality regarding free fatty acids (FFA). A high level of FFA increases the risk of rancid flavour in dairy products. The objective of the...
Control of milk composition is of importance in dairy ewes because milk is mostly used for cheese making. Besides numerous factors that alter milk composition, knowledge on the effects of nutrition is useful for it concerns both yield and milk content. Furthermore, modification of nutrition is a powerful and short-term means of altering milk composition. Global effects of nutrition are to be se...
There are controversial findings about the relationship between milk intake and the risk of cardiovascular disease (CVD). In this regard, the purpose of this review study was to determine the relationship between milk intake and CVD, as well as the effects of milk consumption on health based on Quranic verses, hadiths, and the data from available databases. No significant relationship was found...
The present study was conducted to estimate the genetic and phenotypic parameters of productive and reproductive traits of Holstein cows in Mazandaran Holstein dairy cattle. To this purpose, data 39792 records of Holstein cows collected at Mahdasht Milk and Meat Company in sari during 1986 to 2015 were used. Productive traits included corrected 305 days milk records, fat and protein produ...
In selection index procedure, phenotype and genetic (co)variance matrices of traits are used for calculating different genetic parameters like index coefficients, index variance, genetic gain in selection goal and selection accuracy. Sometimes, it is possible that these matrices become inconsistent or they are not positive, nor definite. In the current study, for investigation of the effect of ...
Milk enriched in conjugated linoleic acid (CLA) was obtained from cows on pasture supplemented with full-fat rapeseeds (FFR; 2.26 g cis 9, trans 11 (c9,t11)-CLA/100 g fatty acid methyl esters) and full-fat soyabeans (1.83 g c9,t11-CLA100 g fatty acid methyl esters). A control milk fat (1.69 g c9,t11-CLA/100 g fatty acid methyl esters) was obtained from cows fed on pasture only. The present stud...
Similar populations of Pseudomonas fragi were grown at 25 C for 20 hr or at 7 C for 7 days in milk containing 0, 10, and 20% fat; they were then heated at 48, 50, and 52 C in milk containing 0, 10, and 20% fat. After inoculation, the heating medium contained 2.1 x 10(6) to 6.9 x 10(6) organisms per milliliter. The P. fragi cells grown in skim milk had greater thermal resistance (D(52) = 3.0 to ...
During lactation, mammary epithelial cells secrete huge amounts of milk from their apical side. The current view is that caseins are secreted by exocytosis, whereas milk fat globules are released by budding, enwrapped by the plasma membrane. Owing to the number and large size of milk fat globules, the membrane surface needed for their release might exceed that of the apical plasma membrane. A l...
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