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Effect Of Valbazen And Levasole On Cow-Calf Performance, T. B. Goehring, D. M. Marshall
Effect Of Valbazen And Levasole On Cow-Calf Performance, T. B. Goehring, D. M. Marshall
South Dakota Beef Report, 1991
Two trials were conducted to evaluate the effect of deworming beef cows on weaning weight production and calf sickness. In Trial 1, deworming first-calf heifers with Valbazen approximately 2 weeks prior to the start of calving did not significantly affect calf weaning weight, weight per day of age or number of treatments for sickness. In Trial 2, deworming cows 3 years of age or older with Valbazen or Levasole approximately 2 weeks prior to the start of calving did not significantly affect calf weaning weight, weight per day of age or number of treatments for sickness. Under the experimental conditions …
Factors Affecting Weaning Weight Production, T. B. Goehring, D. M. Marshall, D. L. Boggs
Factors Affecting Weaning Weight Production, T. B. Goehring, D. M. Marshall, D. L. Boggs
South Dakota Beef Report, 1991
Weaning weight records from a commercial cow herd were statistically analyzed to demonstrate suspected sources of variation in weaning weight. Data from first-calf heifers and mature cows (3 to 9 year olds) were analyzed separately. For every one day increase in calf age at weaning, weaning weight was increased by 1.65 and 1.76 Ib for first-calf heifers and mature cows, respectively. For every 1 percentage point increase in MPPA of the cow, weaning weight was increased by 4.5 Ib. A 10% advantage in weaning weights and weight per day of age (WDA) was observed in steers over heifers. A 3 …