Associations between cow hygiene, hock injuries, and free stall usage on US dairy farms
نویسندگان
چکیده
منابع مشابه
Hock Injuries in Freestall Housed Dairy Cows
......................................................................................................................................... ii Preface........................................................................................................................................... iii Table of Contents ..........................................................................................
متن کاملRelationship between dairy cow genetic merit and profit on commercial spring calving dairy farms.
Because not all animal factors influencing profitability can be included in total merit breeding indices for profitability, the association between animal total merit index and true profitability, taking cognisance of all factors associated with costs and revenues, is generally not known. One method to estimate such associations is at the herd level, associating herd average genetic merit with ...
متن کاملInfluence of free-stall base on tarsal joint lesions and hygiene in dairy cows.
The objective was to quantify the incidence of tarsal lesions and level of hygiene by stall bed type. Cows were scored on 100 dairies from Wisconsin, Minnesota, Indiana, Iowa, and New York in the fall and winter. Thirty-eight dairies used rubber-filled mattresses (RFM), 27 had sand beds, 29 had waterbeds, and 6 used compost packs (CPk). Stocking density, stall dimensions, bedding amount, beddin...
متن کاملAssociations between lipid metabolism and fertility in the dairy cow.
Dairy cows mobilise body tissues to support milk production and, because glucose supplies are limited, lipids are used preferentially for energy production. Lipogenic activity is switched off and lipolytic mechanisms in adipose tissue increase through changes in the expression of several key enzymes. This results in a loss of body condition, together with high circulating concentrations of non-...
متن کاملHousing system, milk production, and zero-grazing effects on lameness and leg injury in dairy cows.
The aim of this study was to assess the effect of grazing (G) vs. zero-grazing (ZG), level of milk production, and quality and type of housing system [free stalls (FS) and straw yards (SY)] on the prevalence of lameness and leg injuries in dairy cows. Observations were made on 37 commercial dairy farms across Great Britain. A single visit of 5 d duration was made to each farm. During this visit...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 2010
ISSN: 0022-0302
DOI: 10.3168/jds.2010-3225