Results 251 to 260 of about 601,018 (313)
Territorial and Farm-Level Inequalities in Cattle Vaccination and Disease-Control Practices in Ecuador: Evidence from the 2025 National Agricultural Survey. [PDF]
Vet SciAcosta N, Guarda T.
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Rumen Microbiota, Predicted Metabolic Pathways, and Fermentation Parameters Exhibit Production-System-Specific Associations in Cattle and Goats. [PDF]
MicroorganismsCui C +9 more
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Advances in the Molecular Regulatory Mechanisms of Testicular Development and Spermatogenesis in Yaks. [PDF]
Animals (Basel)Yin Q, Zheng X, Wang X, Zhang Y.
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Weighted Single-Step GWAS Reveals Genetic Mechanisms Underlying Pregnancy Loss in Early Nellore Heifers. [PDF]
Anim GenetBis FC +6 more
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Cattle-to-Cattle Transmission of Bovine Tuberculosis
The Veterinary Journal, 2000In developed countries, Mycobacterium bovis infection in cattle is now mostly confined to the respiratory system, which reflects transmission and establishment of infection mainly by this route. A single bacillus transported within a droplet nucleus is probably sufficient to establish infection within the bovine lung.
F D, Menzies, S D, Neill
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Cattle-to-cattle transmission of Mycobacterium bovis
Tuberculosis, 2001This review, illustrated with data on the characteristics of herds infected with Mycobacterium bovis (TB) in Great Britain (GB), attempts to identify the role of cattle-to-cattle transmission (CCT) of TB. CCT plays a part in the entry of infection into herds, through purchased infected animals or contiguous spread, although CCT can have a relatively ...
A V, Goodchild, R S, Clifton-Hadley
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Journal of the American Veterinary Medical Association, 1978
SUMMARY Blood biochemical studies were performed on 21 azotemic cattle with various disease conditions. The cattle were ≽ 4 months old. Blood urea nitrogen concentrations ranged from 41 to 346 mg/dl. The azotemia was determined to be of prerenal origin in 10 cattle and of renal or postrenal origin in 11 cattle.
D F, Brobst +4 more
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SUMMARY Blood biochemical studies were performed on 21 azotemic cattle with various disease conditions. The cattle were ≽ 4 months old. Blood urea nitrogen concentrations ranged from 41 to 346 mg/dl. The azotemia was determined to be of prerenal origin in 10 cattle and of renal or postrenal origin in 11 cattle.
D F, Brobst +4 more
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2021
Just as the knowledge gleaned from the human genome-sequencing project has made an enormous contribution to human medicine, genomic tools developed as a result of sequencing the bovine genome and a novel methodology to use this information, called genomic selection, are becoming standard practice for dairy cattle selection in the developed world.
Hayes, B. J., Cocks, B.
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Just as the knowledge gleaned from the human genome-sequencing project has made an enormous contribution to human medicine, genomic tools developed as a result of sequencing the bovine genome and a novel methodology to use this information, called genomic selection, are becoming standard practice for dairy cattle selection in the developed world.
Hayes, B. J., Cocks, B.
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Journal of Political Economy, 1994 U.S. beef cattle stocks are among the most periodic economic time series. A theory of cattle cycles is constructed on the basis of breeding stock inventory decisions. The low fertility rate of cows and substantial lags and future feedback between fertility and consumption decisions cause the demographic structure of the herd to respond cyclically to ...
Sherwin Rosen +2 more
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