Výsledky vyhledávání - "D. M. Larson"

PHYSIOLOGY AND ENDOCRINOLOGY SYMPOSIUM: Nutritional aspects of developing replacement heifers 1

Autor: Rick N. Funston, D. M. Larson, J. L. Martin, Andrew J. Roberts

Publikováno v: Journal of Animal Science. 90:1166-1171

Studies in numerous species provide evidence that diet during development can mediate physiological changes necessary for puberty. In cattle, several studies have reported inverse correlations be- tween postweaning growth rate and age at puberty and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff90446d836aa562668211884a608f2a
https://doi.org/10.2527/jas.2011-4569

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Heifer development systems: A comparison of grazing winter range or corn residue1

Autor: D. M. Larson, Richard N. Funston, Andrea S. Cupp

Publikováno v: Journal of Animal Science. 89:2365-2372

Two experiments at 2 Nebraska loca- tions evaluated effects of heifer development system on growth and pregnancy rate. In Exp. 1, heifers (n = 270, BW = 225 ± 2 kg) grazed winter Sandhills range (WR) or west central Nebraska corn residue (CR) with a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::402a167938e6bd6fe1b413bf43e96245
https://doi.org/10.2527/jas.2010-3767

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Heifer development systems: Dry-lot feeding compared with grazing dormant winter forage1

Autor: Richard N. Funston, D. M. Larson

Publikováno v: Journal of Animal Science. 89:1595-1602

Two hundred ninety-nine Angus-based, nulliparous heifers (253 ± 2 kg initial BW) from 3 production years were utilized to compare traditional postweaning dry lot (DL) development with a more extensive winter grazing system utilizing a combination of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8c947654159b75904cf3533a1ceef4ed
https://doi.org/10.2527/jas.2010-3095

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Winter grazing system and supplementation of beef cows during late gestation influence heifer progeny1

Autor: Rick N. Funston, J. L. Martin, Don C. Adams, D. M. Larson

Publikováno v: Journal of Animal Science. 88:4094-4101

A 2 × 2 factorial arrangement of treatments was used to evaluate effects of dam winter grazing system and supplementation in the last third of gestation on subsequent BW gain, feed efficiency, and reproduction in heifer progeny. Crossbred cows (yr 1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9057ab11ff189e712c933068d3affaf
https://doi.org/10.2527/jas.2010-3039

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Estrus Synchronization and Periconceptual Supplementation Affect the Profitability of a Replacement Heifer Enterprise12

Autor: Rick N. Funston, R. D. Richardson, K. H. Ramsay, D. M. Larson

Publikováno v: The Professional Animal Scientist. 26:527-533

Experiments evaluated estrus synchronization and periconceptual supplementation on pregnancy rate and calf production. Approximately one-half of heifers in 2 pastures (yr 1) or 4 pastures (yr 2) were injected with prostaglandin F2α (PGF; n = 1,182)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c7613407ec33f82038df1c6e4d979749
https://doi.org/10.15232/s1080-7446(15)30641-0

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Effect of dietary crude protein source on hormone and follicle characteristics in beef heifers1

Autor: J. L. Martin, Andrea S. Cupp, D. M. Larson, H. L. Stroh, Richard N. Funston

Publikováno v: Journal of Animal Science. 88:937-942

Ground, raw soybeans (SB), or dried distillers grain plus solubles (DDGS) were utilized in heifer development diets to determine the effect of dietary fat and protein source on hormone and follicle characteristics and ADG. The experiment was conducte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3cb9d491468dbd16bc38e0c8422f3e24
https://doi.org/10.2527/jas.2009-2236

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The Effects of Corn Coproduct Supplementation on Primiparous Cow Reproduction and Calf Performance11A contribution of the University of Nebraska Agricultural Research Division, supported in part by funds provided through the Hatch Act. Mention of a trade name, proprietary products, or company name is for presentation clarity and does not imply endorsement by the authors or the University of Nebraska

Autor: D. M. Larson, Rick N. Funston

Publikováno v: The Professional Animal Scientist. 25:536-540

An experiment was replicated over 2 yr to determine the effect of additional RUP and dietary fat from dried distillers grains plus solubles (DDGS; n = 2) or wet corn gluten feed (WCGF; n = 2) before breeding on primiparous cow reproduction and calf p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03b7ed3ede2d8f24b76a61e1eeeb2c6b
https://doi.org/10.15232/s1080-7446(15)30755-5

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Winter grazing system and supplementation during late gestation influence performance of beef cows and steer progeny1

Autor: Don C. Adams, D. M. Larson, J. L. Martin, Richard N. Funston

Publikováno v: Journal of Animal Science. 87:1147-1155

A 2 x 2 factorial study evaluated effects of cow wintering system and last trimester CP supplementation on performance of beef cows and steer progeny over a 3-yr period. Pregnant composite cows (Red Angus x Simmental) grazed winter range (WR; n = 4/y

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a7b700467e1f54dbc31c4cf96f30829a
https://doi.org/10.2527/jas.2008-1323

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Effect of calving distribution on beef cattle progeny performance

Autor: T. L. Meyer, D. M. Larson, Jacqueline A. Musgrave, Rick N. Funston

Publikováno v: Journal of animal science. 90(13)

Records collected between 1997 and 2010 were used to determine the effect of calving period on heifer (n = 1,019) and steer (n = 771) progeny from the Gudmundsen Sandhills Laboratory, Whitman, NE. Progeny were classified as being born in the first, s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::670906cbe08fc14d7d365bf0fc34a4a9
https://pubmed.ncbi.nlm.nih.gov/22871928

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