Objective: To determine whether vaccinated or conditioned feeder calves sold through special auctions in Ontario commanded a premium, compared with feeder calves sold at conventional auctions, and whether various physical characteristics of the calves were associated with the sale price.
Design: Cross-sectional study.
Animals: 14,037 calves sold through conventional and special auctions at the Keady Livestock Market during the fall of 1999 and 2000.
Procedure: Calves were observed as they were sold by lot in the auction ring. Lot characteristics and the price received for each lot were recorded. Multivariate analysis was used to estimate the effect of lot characteristics and sale type on price.
Results: Information was recorded for 2,601 calf lots. Multivariate analysis indicated that various lot characteristics were associated with sale price, with 68% of the variation explained by the model. Overall, lots sold at special auctions received a premium of 0.06 dollars/lb (Canadian dollars), compared with lots sold at conventional auctions. However, the premium varied with mean body weight of the lot and year. In addition, frame size, breed, body condition score, uniformity of the lot, weaning status, mean body weight, lot size, sex, year, and sale type were significantly related to sale price.
Conclusions And Clinical Relevance: Results suggested that producers selling calves at special auctions at this market received a premium, compared with producers selling calves at conventional auctions.
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http://dx.doi.org/10.2460/javma.2003.223.670 | DOI Listing |
PeerJ
January 2025
Department of Animal Science, University of Tennessee-Knoxville, Knoxville, TN-Tennessee, United States.
Bovine respiratory disease (BRD) is one of the most common economic and health challenges to the beef cattle industry. Prophylactic use of antimicrobial drugs can alter the microbial communities in the respiratory tract. Considering that the bovine upper respiratory tract microbiome has been associated with generalized health, understanding the microenvironment that influences this microbiome may provide insights into the pathogenesis of BRD.
View Article and Find Full Text PDFVet Res Commun
December 2024
Faculty of Veterinary Medicine, University of Belgrade, Bulevar oslobodjenja 18, Belgrade, 11000, Serbia.
This study aimed to determine the prevalence of carcass bruising in Simmental cross-breed bulls and to characterize the bruises in terms of number, size, shape, severity, and the affected region of the carcass. In addition, the risk factors related to the pre-harvested and harvested phase of beef production and meat quality parameters, as well, were investigated. The prevalence of bruised carcasses was 40.
View Article and Find Full Text PDFTissue Cell
December 2024
Animal Health Research Institute, Dokki, Giza PO 12618, Egypt; Ministry of Environment, Water and Agriculture, Fish Welfare Branch, El-Jubail Province, Saudi Arabia.
During routine veterinary inspection of fish from fishing boats, fish auction yards, and fish landing stations, as well as the large fish market for detection of fish diseases, abnormalities and/or overgrowth in body surfaces and evaluation of hygienic conditions and fish quality at El-Jubail Province, Saudi Arabia., external neoplastic overgrowths were observed in two fish species, giant sea catfish (Arius thalassinus) and Delagoa threadfin bream (Nemipterus bipunctatu). In both fishes, the neoplasms appeared as bony masses, and it was hard in its consistency.
View Article and Find Full Text PDFHighly sensitive vertically aligned carbon nanotube arrays (VANTAs) interdigitated electrode (IDE) arrays are developed for electrochemical biosensing of two cytokines (i.e., interleukin-10 (IL-10) and interferon-gamma (IFN-γ)) that are useful for early detection Johne's disease (Bovine Paratuberculosis) in cattle.
View Article and Find Full Text PDFJ Anim Sci
January 2024
Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada.
Stress during the transition of beef steers from ranch to feedlot may depend on steer source and preconditioning. The interplay between physiological and behavioral patterns of preconditioned (PC) and auction-derived (AD) steers, particularly after commingling, is poorly understood. Our objective was to evaluate whether hair cortisol (HC) concentrations were related to the health and performance of PC and AD steers and study behavioral activities after commingling over 6 wk in a feedlot.
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