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Do indigenous Southern African cattle breeds have the right genetics for commercial production of quality meat?
Indigenous beef breeds Tenderness Yield Growth performance Pasture Feedlot
2012/8/13
The establishment of cattle breeds which are now indigenous to Africa is believed by historians to be very closely associated with man, his development, migration and specific behaviour from 6000 year...
Short- and Long-Term Production Losses and Repeatability of Clinical Mastitis in Dairy Cattle
clinical mastitis production repeatability
2008/8/6
Between 1985 and 1990, a study of 5313 lactations of 2477 Black and White cows was carried out. A stepwise least squares method was used to obtain unbiased estimates of milk, fat, and protein losses t...
Strategies for Preventing Milk Fever in Dairy Cattle
milk fever hypocalcemia potassium cation-anion difference
2008/7/30
Milk fever is a complex metabolic disorder that occurs at the onset of lactation. Clinical symptoms of this disease include inappetence, tetany, inhibition of urination and defecation, lateral recumbe...
Time of Ovulation Relative to Mounting Activity in Dairy Cattle
artificial insemination estrous behavior ovulation radiotelemetry
2008/7/3
Time of ovulation was determined for Holstein cows (n = 51) for estruses occurring spontaneously (n = 33) or those induced by PGF2 (n = 86). Ultrasound examination of ovaries was conducted 42 to 49 d ...
Pre-harvest interventions to reduce carriage of E. coli O157 by harvest-ready feedlot cattle
Food safety E. coli O157 Interventions Feedlot Cattle
2012/8/10
Escherichia coli O157 is an important cause of food-borne illness. The primary reservoir for this organism is cattle and at present the major site of control is within abattoirs. Recent data have high...