Zobrazeno 1 - 10
of 31
pro vyhledávání: '"S.M. Derouen"'
Publikováno v:
The Professional Animal Scientist. 29:490-500
The present study evaluated the effect of temperament on heifer BW, postweaning gain, and pregnancy status. Temperament was evaluated on 259 Angus-sired and 173 Brahman-influenced heifers. Temperament was assessed on heifers at weaning (FALL) and whe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::983fde61af9fe52c31f67b5fd9936989
https://doi.org/10.15232/s1080-7446(15)30270-9
https://doi.org/10.15232/s1080-7446(15)30270-9
Autor:
David G. Riley, J. W. Holloway, A.H. Brown, Brown, Chad C. Chase, A. D. Herring, James O. Sanders, D.E. Franke, Larry V. Cundiff, S.M. DeRouen, W.E. Wyatt, Rhonda C. Vann, J. F. Baker, F.A. Thrift
Publikováno v:
The Professional Animal Scientist. 26:451-473
This review, which represents a summarization of research results generated during an approximately 22-yr period, involves preweaning, postweaning, and carcass trait comparisons of progeny sired by Bos indicus (Brahman, Boran, Nellore, Indu-Brazil, G
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::993812cd424228be21d6b757257e8237
https://doi.org/10.15232/s1080-7446(15)30633-1
https://doi.org/10.15232/s1080-7446(15)30633-1
Publikováno v:
The Professional Animal Scientist. 26:109-114
The objective of this study was to assess the effects of horn fly and gastrointestinal (GI) nematode control on the performance of stocker cattle grazing Bermudagrass in Louisiana. A total of 168 (56 per trial) weaned calves were available for 3 tria
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0329534b192b8e1f6eea7bf531c8bce1
https://doi.org/10.15232/s1080-7446(15)30563-5
https://doi.org/10.15232/s1080-7446(15)30563-5
Publikováno v:
Veterinary Parasitology. 162:320-326
The objective of this study was to assess the effects of horn fly and gastrointestinal (GI) nematode control on cow–calf performance with a spring-calving system. A total of 508 cow–calf records from two locations in Louisiana were available for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c687b228b86ea761aefad5a2938b696e
https://doi.org/10.1016/j.vetpar.2009.03.021
https://doi.org/10.1016/j.vetpar.2009.03.021
Autor:
F.A. Thrift, S.M. Derouen
Publikováno v:
The Professional Animal Scientist. 21:81-87
The present study, conducted to determine the impact of level of weaning productivity on subsequent pregnancy rate of the cow herd, involved two locations in the Southern Region - University of Kentucky, Lexington and Hill Farm Research Station, Loui
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69b85f5d0b9e0d2679ea92c21c019cb0
https://doi.org/10.15232/s1080-7446(15)31186-4
https://doi.org/10.15232/s1080-7446(15)31186-4
Publikováno v:
Journal of Economic Entomology. 96:1612-1616
The influence of horn fly control with commercially available ear tags was studied on beef replacement heifers (n = 670) for growth and reproductive performance. The study was conducted at five sites in Louisiana over 3 yr. Heifers used were yearling
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ff5cb44e7a547cf686c69a3f8d14738
https://doi.org/10.1093/jee/96.5.1612
https://doi.org/10.1093/jee/96.5.1612
Publikováno v:
Veterinary Parasitology. 90:327-331
In 1998, three groups of cattle at three locations in Lousiana were treated with Dectomax((R)) (0.5% doramectin) Pour-On and horn fly populations were monitored. Acceptable levels (less than 50 flies per side) of horn fly control were observed from 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4cb6745e0ea97df5a2ba848bfd65ae8f
https://doi.org/10.1016/s0304-4017(00)00250-8
https://doi.org/10.1016/s0304-4017(00)00250-8
Publikováno v:
The Professional Animal Scientist. 16:6-12
Feedlot and carcass traits were evaluated for steers (n = 231) sired by Angus (A), Brangus (BA), Gelbvieh (G), and Gelbray (GB) bulls (n = 29) out of first cross (F 1 ) Brahman-Hereford cows. Steers were produced over 4 y and were born during spring
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1522dd6879e527acd435ffe3b9fdaa13
https://doi.org/10.15232/s1080-7446(15)31654-5
https://doi.org/10.15232/s1080-7446(15)31654-5
Autor:
M.E. Craig, M.D. Kimball, D. G. Morrison, Ronnie L. Byford, W.E. Wyatt, S.M. DeRouen, Lane D. Foil
Publikováno v:
International Journal for Parasitology. 29:125-135
The history of insecticide resistance in the horn fly, Haematobia irritans, and the relationship between the characteristics of horn fly biology and insecticide use on resistance development is discussed. Colonies of susceptible horn flies were selec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dccb07e2ed484143ca1b0c408b520e3e
https://doi.org/10.1016/s0020-7519(98)00196-9
https://doi.org/10.1016/s0020-7519(98)00196-9
Autor:
S.M. Derouen, W.A. Nipper, D.W. Sanson, A.F. Loyacano, T.L. Stanton, D.F. Coombs, R. Lemenager
Publikováno v:
The Professional Animal Scientist. 13:176-181
Two-hundred eighty-eight steers were used in a 3 × 2 factorial arrangement of treatments to compare the effect of ammoniation of three forages at time of ensiling to similar silages not ammoniated but supplemented with cottonseed meal at feeding. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8dc4dc8687d131e5bdb4638eb559c985
https://doi.org/10.15232/s1080-7446(15)31880-5
https://doi.org/10.15232/s1080-7446(15)31880-5