Výsledky vyhledávání - "R C, Cochran"

Interface/Interphase Studies in Epoxy Matrix Composites

Autor: R. E. Allred, R. C. Cochran, B. Okhuysen, T. M. Donnellan, R. Sposili

Publikováno v: The Journal of Adhesion. 45:3-14

The effect of surface treatments and fiber sizings on the stress transfer characteristics and composite properties of AS-4 carbon/epoxy materials has been determined. Fiber surface chemistry was systematically varied from acidic to basic with RF glow

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1731f343c2b07eafc05779dde26ac9b8
https://doi.org/10.1080/00218469408026625

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Step-Up Protein Supplementation for Beef Cows Grazing Dormant, Tallgrass Prairie

Autor: E. S. Vanzant, R. C. Cochran

Publikováno v: Journal of Production Agriculture. 6:236-240

Protein supplementation contributes significantly to expenses of maintaining pregnant beef cows (Bos taurus) on winter range. Two experiments evaluated winter supplementation schemes for grazing beef cows. Dehydrated alfalfa (Medicago sativa L.) pell

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b3de7c536dce9960fb003fd67f49b05a
https://doi.org/10.2134/jpa1993.0236

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Characterization of ruminal dynamics in Holstein dairy cows during the periparturient period

Autor: A F, Park, J E, Shirley, E C, Titgemeyer, J M, DeFrain, R C, Cochran, E E, Wickersham, T G, Nagaraja, D E, Johnson

Publikováno v: Journal of animal physiology and animal nutrition. 95(5)

We used four pregnant Holstein cows to delineate ruminal adaptations as cows transitioned from one lactation to the next. Cows were fed typical diets through far-off and close-up dry periods and lactation. We measured ruminal characteristics on day 7

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::d1626b8ab4c88a312403afa8c8041d65
https://pubmed.ncbi.nlm.nih.gov/21091551

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Regulation of sexual succession in the protogynous black sea bass, Centropristis striatus (osteichthyes: Serranidae)

Autor: Harry J. Grier, R. C. Cochran

Publikováno v: General and Comparative Endocrinology. 82:69-77

Serum levels of 17 beta-hydroxy-4-androstene-3,11-dione (11-KT) and testosterone in the protogynous black sea bass, Centropristis striatus fluctuate annually, correlated with the breeding season. Although serum 11-KT levels in both males and females

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f335f0a041ee893ce40cffdc08114224
https://doi.org/10.1016/0016-6480(91)90297-j

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Effects of Hay Quality, Breed, and Ovarian Development on Onset of Puberty and Reproductive Performance of Beef Heifers

Autor: R. C. Perry, James J. Higgins, K. C. Olson, R. C. Cochran, Larry R. Corah, J.R. Brethour

Publikováno v: Journal of Production Agriculture. 4:13-18

(...) This study was conducted to determine the influence of hay quality, breed, and ovarian development on the onset of puberty and reproductive performance of beef heifers. Fifty-one 3/4 Hereford × 1/4 Angus (HA, Bos taurus × Bos taurus) and 45 3

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::92228dbaf09129b81d44a1a7e1161179
https://doi.org/10.2134/jpa1991.0013

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Effect of rumen-degradable intake protein supplementation on urea kinetics and microbial use of recycled urea in steers consuming low-quality forage

Autor: T A, Wickersham, E C, Titgemeyer, R C, Cochran, E E, Wickersham, D P, Gnad

Publikováno v: Journal of animal science. 86(11)

We evaluated the effect of increasing amounts of rumen-degradable intake protein (DIP) on urea kinetics in steers consuming prairie hay. Ruminally and duodenally fistulated steers (278 kg of BW) were used in a 4 x 4 Latin square and provided ad libit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::19125840ab5824c068e03e4331d1e7df
https://pubmed.ncbi.nlm.nih.gov/18539828

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Effect of frequency and amount of rumen-degradable intake protein supplementation on urea kinetics and microbial use of recycled urea in steers consuming low-quality forage

Autor: T A, Wickersham, E C, Titgemeyer, R C, Cochran, E E, Wickersham, E S, Moore

Publikováno v: Journal of animal science. 86(11)

We evaluated the effect of frequency and amount of rumen-degradable intake protein (DIP) on urea kinetics in steers consuming prairie hay. Five ruminally and duodenally fistulated steers (366 kg of BW) were used in a 5 x 5 Latin square and provided a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::e726938171ca205ee89bfecf54c5097a
https://pubmed.ncbi.nlm.nih.gov/18539827

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