Zobrazeno 1 - 10
of 75
pro vyhledávání: '"B.A. Hopkins"'
Autor:
Geof W. Smith, T.J. Earleywine, S. Davidson, K.M. Glosson, B.A. Hopkins, C. Ma, S.P. Washburn
Publikováno v:
Journal of Dairy Science. 98:1127-1135
Two experiments were conducted to determine the growth and health effects of supplementing heat-treated whole milk with pasteurized milk balancer products in calf-feeding programs. All calves were removed from their dams at birth (d 0), fed 3.8 L of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b0dcce6737d155565140043f8491041
https://doi.org/10.3168/jds.2014-8567
https://doi.org/10.3168/jds.2014-8567
Publikováno v:
Journal of Animal Physiology and Animal Nutrition. 97:694-700
Three studies were conducted to determine the potential of experimental feed additives (EFAs), clays or non-digestible yeast oligosaccharides, to reduce milk aflatoxin (AFM1) concentrations in lactating Holstein cows consuming aflatoxin-contaminated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ba32f02f1ad6ebff98f8b4fabd07c6d
https://doi.org/10.1111/j.1439-0396.2012.01311.x
https://doi.org/10.1111/j.1439-0396.2012.01311.x
Autor:
Winston M. Hagler, Frank T. Jones, B.A. Hopkins, Julie A. Eve, D. E. Diaz, John T. Blackwelder, Kevin L. Anderson, L.W. Whitlow
Publikováno v:
Mycopathologia. 157:233-241
Sequestering agents bind dietary aflatoxin B1 (AFB1) and reduce absorption from an animal's gastrointestinal tract. As a result, they protect an animal from the toxic effects of AFB1 and reduce transfer of the metabolite, aflatoxin M1 (AFM1), into mi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a685909431b401442b3688d2d7c1883
https://doi.org/10.1023/b:myco.0000020587.93872.59
https://doi.org/10.1023/b:myco.0000020587.93872.59
Publikováno v:
Journal of Dairy Science. 86:1681-1689
Five treatment diets varying in crude protein (CP) and rumen undegradable protein (RUP) were calculated to supply a postruminal lysine to methionine ratio of about 3:1. Diets were fed as a total mixed ration to 65 Holstein cows that were either primi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc6742d52c1f35b22e07c3dfe2bade78
https://doi.org/10.3168/jds.s0022-0302(03)73754-0
https://doi.org/10.3168/jds.s0022-0302(03)73754-0
Publikováno v:
Mycopathologia. 156:223-226
Nine potential proprietary sequestering agents consisting of 4 activated charcoals, 3 sodium bentonites, a calcium bentonite, and an esterified glucomannan were compared in a novel in vitro assay for aflatoxin B1 (AFB1) binding. Agents were evaluated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e12702f310241bd96a4153fbb380ee1a
https://doi.org/10.1023/a:1023388321713
https://doi.org/10.1023/a:1023388321713
Autor:
B.A. Hopkins, Matthew H. Poore
Publikováno v:
Journal of Dairy Science. 84:299-305
Fifty Holstein dairy heifers, [two replications of 25 heifers; average body weight (BW) 227 kg], were assigned to one of the following treatments for 105 d. Treatments 1 through 4 are given as the percentage of supplemental crude protein (CP) from so
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58693baf0ab87a77f5d5faa268120bd5
https://doi.org/10.3168/jds.s0022-0302(01)74480-3
https://doi.org/10.3168/jds.s0022-0302(01)74480-3
Publikováno v:
Journal of Dairy Science. 83:2539-2547
Thirty-two primiparous and 12 multiparous Holstein cows were randomly assigned at calving to treatments to determine the effects of type and amount of cottonseed product on plasma gossypol, milk production, and composition, and conjugated linoleic ac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d38f3d7caae090f5b21dd59afecbefdb
https://doi.org/10.3168/jds.s0022-0302(00)75146-0
https://doi.org/10.3168/jds.s0022-0302(00)75146-0
Publikováno v:
Journal of Dairy Science. 81:2934-2941
Twenty-four multiparous Holstein cows were randomly assigned at calving to treatment diets using a modified split-plot design to determine the effects of protein source on milk production and composition. The treatment diets consisted of an 80:20 com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fbec80f0544c123c50277b8879054302
https://doi.org/10.3168/jds.s0022-0302(98)75855-2
https://doi.org/10.3168/jds.s0022-0302(98)75855-2
Autor:
B.A. Hopkins
Publikováno v:
Journal of Dairy Science. 80:2200-2203
Fifty-six Holstein calves were assigned randomly at birth to one of four treatments in a study that evaluated two methods of calf starter delivery (specially designed nipple bottle versus an open container) and weaning age (28 vs. 56 d) on starter in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::89373ff891742cac7b135fbc58718af0
https://doi.org/10.3168/jds.s0022-0302(97)76168-x
https://doi.org/10.3168/jds.s0022-0302(97)76168-x
Autor:
J.D. Quigley, B.A. Hopkins
Publikováno v:
Journal of Dairy Science. 80:979-983
Holstein heifer and hull calves (n = 52) at Ames Plantation (Grand Junction, TN) and Piedmont Research Station (Salisbury, NC) were blocked by sex and assigned randomly to receive 3.8 L of maternal colostrum in one feeding, 1.9 L in two feedings at a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::271444f1e9aad2419ec5b32383d1b17c
https://doi.org/10.3168/jds.s0022-0302(97)76023-5
https://doi.org/10.3168/jds.s0022-0302(97)76023-5