Lipolysis and ketogenesis in cows in early lactation (review)
نویسندگان
چکیده
منابع مشابه
Ovarian function and estrus in dairy cows during early lactation.
The onset of ovarian function and occurrence of estms were monitored in two groups of Holstein cows over the first 90 days postpartum. Group 1 consisted of 36 animals housed in a free stall area and observed continuously for estrus with closed circuit television and a time lapse videorecorder. Group 2 consisted of 33 cows housed in tie stalls with estrus detected by the herdsmen. Blood samples ...
متن کاملAssociation between Plasma and Milk Urea on the Insemination Day and Pregnancy Rate in Early Lactation Dairy Cows
Lactatingdairy cows (n=177) fed with grass and corn silage ad libitum kept in pasture, were randomly assigned to evaluate how urea nitrogen in plasma and milk can be related to their pregnancy rate. Blood and milk samples were collected on the artificial insemination (AI) day to evaluate plasma urea nitrogen (PUN) and milk urea nitrogen (MUN) as well as progesterone levels, excluding cows with ...
متن کاملAnalysis of Early Lactation Reproductive Characteristics in Holstein Cows
............................................................................................................................ i ACKNOWLEDGESMENTS .................................................................................................................... ii LIST OF TABLES...................................................................................................................v L...
متن کاملAssociation of Birth Type and Pregnancy Type with Lactation Performance and Lactation Curve in Holstein Dairy Cows in Iran
The association of birth type (single vs. double) and pregnancy type (single vs. double) with lactation performance and lactation curve was investigated in Holstein cows in Iran. Data of 243298 lactations on 138021 cows in 261 herds collected during January 2000 to December 2012 were used. The average twinning rate was 3.64% and ranged from 1.44% (primiparous) to 5.41% (multiparous). Factors as...
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ژورنال
عنوان ژورنال: Acta agriculturae Serbica
سال: 2018
ISSN: 0354-9542,2560-3140
DOI: 10.5937/aaser1846265l