Zobrazeno 1 - 10
of 377
pro vyhledávání: '"W. Spears"'
Publikováno v:
Journal of Integrative Agriculture, Vol 23, Iss 4, Pp 1329-1337 (2024)
This study aimed to investigate the dose-effect of iron on growth performance, antioxidant function, intestinal morphology, and mRNA expression of jejunal tight junction protein in 1- to 21-d-old yellow-feathered broilers. A total of 720 1-d-old yell
Externí odkaz:
https://doaj.org/article/68bf3bb394d4408c835058feba69d33c
Autor:
Yan-mei ZHANG, De AO, Kai-wen LEI, XI Lin, Jerry W. SPEARS, Hai-tao SHI, Yan-ling HUANG, Fa-long YANG
Publikováno v:
Journal of Integrative Agriculture, Vol 22, Iss 1, Pp 214-221 (2023)
Forty-eight male Lezhi black goat kids with similar body weight ((12.09±1.70) kg) and age ((60±5) d) were used to determine the effect of dietary copper (Cu), in the form of reagent grade Cu sulfate (CuSO4·5H2O), on performance, serum lipid profil
Externí odkaz:
https://doaj.org/article/c994ff520fb34753b8df524d7e3468e6
Publikováno v:
Journal of Integrative Agriculture.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e5f32fb6e114e1bd1107f62d6e6c1fe
https://doi.org/10.1016/j.jia.2023.04.041
https://doi.org/10.1016/j.jia.2023.04.041
Autor:
Terry E Engle, K.D. Lippolis, John J. Wagner, D. Couch, S. Jalali, Jason K. Ahola, Jerry W. Spears
Publikováno v:
Applied Animal Science. 36:745-753
Objective This experiment evaluated the effects of Cu, Mn, and Zn source on mineral status, reproduction, and performance of grazing beef cattle in eastern Colorado. Materials and Methods Crossbred (Angus and Angus × Hereford; n = 261) 3-yr-old beef
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c226fc897a9600e68a4e3d18d8bbfcb
https://doi.org/10.15232/aas.2020-01982
https://doi.org/10.15232/aas.2020-01982
Publikováno v:
Poultry Science
Poultry Science, Vol 99, Iss 10, Pp 5070-5073 (2020)
Poultry Science, Vol 99, Iss 10, Pp 5070-5073 (2020)
This study was conducted to investigate the dose responses of growth performance, immune traits, and small intestinal morphology to dietary supplementation of chromium propionate (CrPro) in heat-stressed broilers. A total of 252 1-day-old Cobb 500 ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34e364494a990cec2e85130de2908952
http://europepmc.org/articles/PMC7598335
http://europepmc.org/articles/PMC7598335
Autor:
John J. Wagner, Jerry W. Spears, Terry E Engle, Meghan P Thorndyke, Octavio Guimaraes, Clarissa M Carver, Arquimides Reyes
Publikováno v:
J Anim Sci
Twelve Angus steers (BW 530.9 ± 22.7kg) fitted with ruminal cannulae were used to determine the impact of trace mineral (TM) source on digestibility and ruminal VFA and soluble concentrations of Cu, Mn, and Zn. Steers were fed a high concentrate die
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45e263b171f181b3d009082185b46113
https://europepmc.org/articles/PMC8506584/
https://europepmc.org/articles/PMC8506584/
Publikováno v:
Poultry Science. 98:6579-6585
Chromium propionate (Cr Prop) is approved by the U.S. Food and Drug Administration Center for Veterinary Medicine for supplementation to broiler diets up to 0.20 mg Cr/kg diet. A 49-D study was conducted to: 1) determine the safety of Cr Prop when su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e28b6c02f543c28ddd634017761769a0
https://doi.org/10.3382/ps/pez444
https://doi.org/10.3382/ps/pez444
Autor:
Vicky N Kucharczyk, Jerry W. Spears, Terry E Engle, Hyungchul Han, K. Sellins, Emmanuel Caldera, S. L. Archibeque, Brittney Weigel, John J. Wagner
Publikováno v:
Journal of Animal Science. 97:1852-1864
Eight crossbred steers (BW 719.0 ± 65.0 kg) with ruminal and duodenal cannulae were used to examine the effect of trace mineral (TM) source on digestibility; ruminal and duodenal solubility of Cu, Zn, and Mn; and in vitro release of Cu, Zn, and Mn f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::985beaa3e2db272e2c0653abd0b4fd19
https://doi.org/10.1093/jas/skz072
https://doi.org/10.1093/jas/skz072
Autor:
John J. Wagner, K. Sellins, K.E. Lloyd, Terry E Engle, A. Budde, Jerry W. Spears, Jeff S Heldt
Publikováno v:
Journal of Animal Science. 97:1286-1295
Four hundred crossbred steers were used in a randomized complete block design to investigate the effects of supplemental Zn source and concentration, and dietary Cr on performance and carcass characteristics of feedlot steers fed a steam-flaked corn-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::341d9c5346ef92cbaccdadcf71627c3e
https://doi.org/10.1093/jas/skz016
https://doi.org/10.1093/jas/skz016
Publikováno v:
Journal of Animal Science
Twelve Angus steers (BW 452.8 ± 6.1 kg) fitted with ruminal cannulae were used to determine the impact of trace mineral (TM) source on digestibility, ruminal volatile fatty acid (VFA) composition, ruminal soluble concentrations of Cu, Zn, and Mn, an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af90647392e2631b8d7eb74d4c8ca9c9
https://pubmed.ncbi.nlm.nih.gov/34505134
https://pubmed.ncbi.nlm.nih.gov/34505134