Native or Seeded Rangeland for Cows with High or Low Milk Production
نویسندگان
چکیده
منابع مشابه
milk mycoflorasurvey of dairy cows with or without mastitis
mastitis in cattle is a serious problem which causes considerable economic losses in the dairy cattle herds. the aim of this survey was to identify mycoflorain milk of healthy, clinical and subclinical mastitis of lactating holstein dairy cows. milk samples of 154 holstein dairy cows were collected from 10 dairy cattle herds in suburb of mashhad-iran. the treatment groups included 104 lactating...
متن کاملCarryover of aflatoxin from feed to milk in dairy cows with low or high somatic cell counts.
Aflatoxin M1 (AFM1) residues in milk are regulated in many parts of the world and can cost dairy farmers significantly due to lost milk sales. Additionally, due to the carcinogenicity of this compound contaminated milk can be a major public health concern. Thirty-four lactating dairy cows were utilised to investigate the relationship between somatic cell counts (SCC), milk yield and conversion ...
متن کاملproduction of functional low-fat cheese with milk fat substitution bywalnut or linseed powders
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متن کاملReducing the risk of low or high birth weight for women with low or high body mass index under the care of high quality hospital by using instrumental variable
Background and purpose: Women with low (high) pre-pregnancy body mass index (BMI) recently delivered infants with approximately normal or close to normal birth weights under the high quality of prenatal care. This study estimated the effect of pre-pregnancy BMI when concerns about the effects of different quality levels of prenatal care and the health status of mothers and their infants existed...
متن کاملMilk production of fall-calving dairy cows during summer grazing of grass or grass-clover pasture.
Milk production of fall-calving dairy cows during subsequent summer grazing was evaluated in two consecutive years using a total of 80 mid- to late-lactation Holsteins. Cows calved during September and October and grazed from April to August in the following year. In yr 1, 27 cows grazed a native grass pasture and 13 cows grazed a native grass-clover mixed pasture containing 26% red clover and ...
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ژورنال
عنوان ژورنال: Journal of Range Management
سال: 1993
ISSN: 0022-409X
DOI: 10.2307/4002854