J. Anim. Sci. Vol. 88, E-Suppl. 2/J. Dairy Sci. Vol. 93, E-Suppl. 1/Poult. Sci. Vol. 89, E-Suppl. 1 T264 Effects of 72-h temporary calf removal prior to fixed-time AI on pregnancy rates and subsequent calf performance in suckled beef cows. G. H. L. Marquezini*1, V. R. G. Mercadante1, S. L. Bird2, B. J. Funnell2, and G. C. Lamb1, 1University of Florida, Marianna, 2University of Minnesota, Grand ...

Dairy calves are extremely susceptible to gastrointestinal disease during the preweaned period. The risk for enteric disease decreases as the calf ages; therefore, it is important to break the pre-weaned period up into at least 2 distinct phases that likely need to be managed differently, early life (first couple weeks of life) and the remaining time the calf is fed milk or milk replacer. When ...

Bovine abortion is an important cause of economic loss to the cattle livestock industry. In California this may as much as $700 for each cow that has aborted (Thurmond & Picanso, 1990). Kossaibati & Esslemont (1997) estimated the average cost of calf mortality in English dairy herds was £310 per calf death at 1995 prices; for culling an additional cow following illness, such as abortion, it was...

Objective: The study was conducted with single objective, to understand effect of foot and mouth disease (FMD) on secondary sex ratio (SSR) in dairy animals including cattle (Bos indicus, Tharparkar; Bos indicus + Bos taurus, Vrindavani) and Murra buffalo (Bubalus bubalis) maintained at Indian Veterinary Research Institute, Izatnagar. Design: Retrospective data for six years of IVRI, Izatnagar ...

Introduction The management of gastrointestinal (GI) problems in livestock and companion animals presents medical and economic challenges. In cattle, neonatal calf diarrhea is recognized worldwide as one of the greatest challenges for both the beef and dairy industries (1, 2). Approximately one-third of U.S. beef cow-calf owners agree that it has an economic impact on their operations (3). Acco...

Group housing of preweaned dairy calves is a growing practice in the United States. The objective of this practice is to increase the average daily gain of calves in a healthy and humane environment while reducing labor requirements. However, feeding protocols, commingling of calves, and occurrence of disease in different calf-housing systems may affect the prevalence of antimicrobial drug-resi...

Epidemiological models enable to better understand the dynamics of infectious diseases and to assess ex-ante control strategies. For Mycobacterium avium subsp. paratuberculosis (Map), possible transmission routes have been described, but Map spread in a herd and the relative importance of the routes are currently insufficiently understood to prioritize control measures. We aim to predict early ...

development, traditional dairy calf management programs have restricted the amount of liquid feed pre-weaning to about 10% of birth weight.[1] However, current research is focusing more on the effects of elevating the plane of nutrition for pre-weaned dairy calves. By increasing the volume of liquid fed pre-weaning to about 20% of birth body weight, the results have been higher average daily ga...