Zobrazeno 1 - 10 of 12 pro vyhledávání: '"R C, Vann"'
1
Evaluation of the influence of prenatal transportation stress on GnRH-stimulated luteinizing hormone and testosterone secretion in sexually mature Brahman bulls
Autor: B P, Littlejohn, M C, Roberts, M N, Bedenbaugh, A W, Lewis, D A, Neuendorff, D G, Riley, J A, Carroll, R C, Vann, M, Amstalden, R D, Randel, T H, Welsh
Publikováno v: Journal of animal science. 95(1)
This study examined the relationship of prenatal transportation stress (PNS) with exogenous GnRH-induced LH and testosterone secretion in sexually mature Brahman bulls. Brahman cows (n = 96; 48 were stressed by transportation at 5 stages of gestation
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::93ae2589254769cfd998d97ea1299117
https://pubmed.ncbi.nlm.nih.gov/28177387
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2
Prenatal transportation stress alters temperament and serum cortisol concentrations in suckling Brahman calves
Autor: B P, Littlejohn, D M, Price, J P, Banta, A W, Lewis, D A, Neuendorff, J A, Carroll, R C, Vann, T H, Welsh, R D, Randel
Publikováno v: Journal of animal science. 94(2)
This experiment examined the relationship between prenatal stress and subsequent calf temperament through weaning. The prenatal stressor used was repeated transportation of pregnant Brahman cows for 2 h at 60 ± 5, 80 ± 5, 100 ± 5, 120 ± 5, and 14
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::843e66d6e2e99e2d60656ce9e80f393a
https://pubmed.ncbi.nlm.nih.gov/27065130
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3
Physiological and metabolic responses of gestating Brahman cows to repeated transportation
Autor: D M, Price, A W, Lewis, D A, Neuendorff, J A, Carroll, N C, Burdick Sanchez, R C, Vann, T H, Welsh, R D, Randel
Publikováno v: Journal of animal science. 93(2)
This study characterized physiological responses to repeated transportation (TRANS) of gestating cows of differing temperaments. Cows were classified as Calm (C; = 10), Intermediate (I; = 28), or Temperamental (T; = 10). Based on artificial inseminat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::6a102156a6bb20ea17a3daeb333cc6ba
https://pubmed.ncbi.nlm.nih.gov/26020755
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5
Genetic parameters of three methods of temperament evaluation of Brahman calves
Autor: S E, Schmidt, D A, Neuendorff, D G, Riley, R C, Vann, S T, Willard, T H, Welsh, R D, Randel
Publikováno v: Journal of animal science. 92(7)
The objective of this study was to estimate the heritability of 3 measures of temperament in Brahman and Brahman-influenced calves (n = 1,209). Individual animal pen scores (PS) were determined by a trained observer who evaluated groups of 5 or 4 cal
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::0693f9fbe590c842e1b2c0332916e2d2
https://pubmed.ncbi.nlm.nih.gov/24821821
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6
Impact of oral meloxicam on circulating physiological biomarkers of stress and inflammation in beef steers after long-distance transportation
Autor: N K, Van Engen, M L, Stock, T, Engelken, R C, Vann, L W, Wulf, L A, Karriker, W D, Busby, J, Lakritz, A J, Carpenter, B J, Bradford, W H, Hsu, C, Wang, J F, Coetzee
Publikováno v: Journal of animal science. 92(2)
Transportation stress can result in significant economic losses to producers due to decreased animal productivity and increased medication costs associated with sickness such as bovine respiratory disease (BRD). Meloxicam (MEL) provides pain relief a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::207635a0568a66430e99fcce3cf95360
https://pubmed.ncbi.nlm.nih.gov/24664558
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7
Technical note: Evolution of exit velocity in suckling Brahman calves
Autor: N C, Burdick, B, Agado, J C, White, K J, Matheney, D A, Neuendorff, D G, Riley, R C, Vann, T H, Welsh, R D, Randel
Publikováno v: Journal of animal science. 89(1)
The purpose of this study was to assess changes in exit velocity (EV) of Brahman calves from 21 d of age (DOA) to 56 d postweaning (231.30 ± 1.23 DOA). Spring-born calves (n = 308) from 2006 to 2008 were sired by 18 bulls. Exit velocity (m/s) was de
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::18fcadbd051f172346fe8c3c4cd7584b
https://pubmed.ncbi.nlm.nih.gov/20852080
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8
Somatotropin regulation of protein metabolism in pigs
Autor: T A, Davis, J A, Bush, R C, Vann, A, Suryawan, S R, Kimball, D G, Burrin
Publikováno v: Journal of animal science.
A primary goal of exogenous somatotropin treatment is to increase lean body mass. This is accomplished, in part, by increasing the efficiency with which dietary amino acids are used for protein deposition. Somatotropin administration also improves pr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::953c3d3fbb8287aa82e67b73c12ec299
https://pubmed.ncbi.nlm.nih.gov/15471799
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9
Evaluations of genotypexenvironment interactions of beef bulls performance-tested in feedlot or pasture
Autor: W. E. Neville, J. F. Baker, R. C. Vann
Publikováno v: Journal of animal science. 80(7)
Purebred Angus (n = 96) and Polled Hereford (n = 96) bull calves sired by bulls of either low or high yearling weight performance lines were assigned to either creep-fed or non-creep-fed treatment before weaning for four calf crops. For each breed, a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad2dc16007b0c971e668f4a56ea1dbbd
https://pubmed.ncbi.nlm.nih.gov/12162638
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