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Year 2001 Remove constraint 2001: 2001 Subjects beef cows Remove constraint beef cows: beef cows
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1. A comparison of native tallgrass prairie and plains bluestem forage systems for cow-calf production in the Southern Great Plains

Description:
Includes references
Author:
Coleman, S.W. , Phillips, W.A. , Volesky, J.D. , Buchanan, D.
Subject:
beef cows , calves , Bothriochloa ischaemum , prairies , forage , grazing , introduced species , feed supplements , oilseed cakes , wheat , pastures , body condition , body weight , breed differences , genetic variation , Charolais , hay , stocking rate , Hereford , Angus , Oklahoma
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

2. Animal age and sex effects on diets of grazing cattle

Description:
Includes references
Author:
Grings, E.E. , Short, R.E. , Haferkamp, M.R. , Heitschmidt, R.K.
Subject:
beef cows , calves , steers , heifers , crude protein , gender differences , botanical composition , diet , chemical composition , in vitro digestibility , grasses , shrubs , seasonal variation , rain , biomass , claypan soils , silty soils , grasslands
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

3. Calf removal improves conception rates to the Ovsynch and CO-Synch protocols

Description:
Includes references
Author:
Geary, T.W. , Whittier, J.C. , Hallford, D.M. , MacNeil, M.D.
Subject:
beef cows , estrus synchronization , gonadotropin-releasing hormone , prostaglandins , postpartum interval , ovulation , artificial insemination , anestrus , estrus , conception rate
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

4. Efficacy of an intravaginal progesterone insert and an injection of PGF2alpha for synchronizing estrus and shortening the interval to pregnancy in postpartum beef cows, peripubertal beef heifers, and dairy heifers

Description:
Includes references
Author:
Lucy, M.C. , Billings, H.J. , Butler, W.R. , Ehnis, L.R. , Fields, M.J. , Kesler, D.J. , Kinder, J.E. , Mattos, R.C. , Short, R.E. , Thatcher, W.W.
Subject:
beef cows , heifers , puberty , estrus , prostaglandins , age , pregnancy rate , artificial insemination , body condition , anestrus , postpartum period , luteolysis , estrus synchronization , conception rate
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

5. Genetic (co)variances for calving difficulty score in composite and parental populations of beef cattle. I. Calving difficulty score, birth weight, weaning weight, and postweaning gain

Description:
Includes references
Author:
Bennett, G.L. , Gregory, K.E.
Subject:
beef cows , calving , dystocia , calves , gender differences , birth weight , maternal effect , liveweight gain , heritability , genetic variance , sires , breed differences , Charolais , Gelbvieh , Pinzgauer , Red Poll , Simmental , milk yield , genetic correlation , Angus , Hereford , Braunvieh , Limousin (cattle breed) , crossbreds , breeding value , weaning weight
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

6. Genetic (co)variances for calving difficulty score in composite and parental populations of beef cattle. II. Reproductive, skeletal, and carcass traits

Description:
Includes references
Author:
Bennett, G.L. , Gregory, K.E.
Subject:
beef cows , calving , dystocia , body weight , gestation period , maternal effect , genetic correlation , genetic covariance , liveweight gain , heritability , genetic variance , weaning weight
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

7. Incidence of mastitis in beef cows after intramuscular administration of oxytetracycline

Description:
Includes references
Author:
Duenas, M.I. , Paape, M.J. , Wettemann, R.P. , Douglass, L.W.
Subject:
infection , beef cows , mastitis , incidence , oxytetracycline , weaning , calving , somatic cell count , milk composition , age , intramuscular injection , body weight , Staphylococcus aureus , coagulase negative staphylococci , disease control , application timing , weaning weight
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

8. Prevalence of antibodies against Mycobacterium avium subsp paratuberculosis among beef cow-calf herds

Description:
Includes references
Author:
Dargatz, D.A. , Byrum, B.A. , Hennager, S.G. , Barber, L.K. , Kopral, C.A. , Wagner, B.A. , Wells, S.J.
Subject:
beef cows , calves , seroprevalence , antibodies , Mycobacterium avium subsp. paratuberculosis , estimation , disease prevalence , geographical variation , animal husbandry , cattle , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

9. Production performance of beef cows raised on three different nutritionally controlled heifer development programs

Description:
Includes references
Author:
Freetly, H.C. , Ferrell, C.L. , Jenkins, T.G.
Subject:
beef cows , heifers , feeding level , restricted feeding , feed conversion , body weight , height , calving rate , calves , birth weight , mortality , pregnancy rate , production costs , weaning weight
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

10. Synchronization of ovulation using GnRH or hCG with the CO-Synch protocol in suckled beef cows

Description:
Includes references
Author:
Geary, T.W. , Salverson, R.R. , Whittier, J.C.
Subject:
beef cows , suckling , gonadotropin-releasing hormone , human chorionic gonadotropin , methodology , pregnancy rate , calving , age , prostaglandins , estrus , ovulation , corpus luteum
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001