Search Results - "Bellows, R.A"

Effects of severity of dystocia on cold tolerance and serum concentrations of glucose and cortisol in neonatal beef calves by Bellows, R.A., Lammoglia, M.A.

“…Effects of dystocia on rectal temperature and serum Cortisol and glucose concentrations, were studied in neonatal calves exposed to 0 °C. Primiparous dams were…”
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Breeding cows by AI [artificial insemination] or natural service at the first or second postsynchronization estrus by Short, R.E, Staigmiller, R.B, Bellows, R.A, Carr, J.B

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Effect of nutrition on response to exogenous FSH [follicle stimulating hormone] in beef cattle by Staigmiller, R.B, Short, R.E, Bellows, R.A, Carr, J.B

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Physiological mechanisms controlling anestrus and infertility in postpartum beef cattle by Short, R. E, Bellows, R. A, Staigmiller, R. B, Berardinelli, J. G, Custer, E. E

“…Postpartum infertility is caused by four factors: general infertility, lack of uterine involution, short estrous cycles and anestrus. The general infertility…”
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Management considerations in heifer development and puberty by Patterson, D.J. (University of Kentucky, Lexington), Perry, R.C, Kiracofe, G.H, Bellows, R.A, Staigmiller, R.B, Corah, L.R

“…Management of replacement beef heifers should focus on factors that enhance physiological processes that promote puberty. Age at puberty is important as a…”
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Effects of stair-step nutrition and trace mineral supplementation on attainment of puberty in beef heifers of three size breeds by Grings, E.E, Staigmiller, R.B, Short, R.E, Bellows, R.A, MacNeil, M.D

“…A study was conducted to evaluate the influence of nutrition and sire breed on age at puberty and first lactation milk yield in crossbred beef heifers. After…”
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Body temperature and endocrine interactions before and after calving in beef cows by Lammoglia, M.A, Bellows, R.A, Short, R.E, Bellows, S.E, Bighorn, E.G, Stevenson, J.S, Randel, R.D

“…Multiparous beef cows (n = 7) were used to evaluate peripartum changes and interactions among body temperature (BT) and circulating progesterone (P4),…”
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Effects of prepartum supplementary fat and muscle hypertrophy genotype on cold tolerance in newborn calves by Lammoglia, M.A, Bellows, R.A, Grings, E.E, Bergman, J.W

“…Effects of feeding pregnant dams supplemental dietary fat during the last 55 d of gestation on cold tolerance of newborn crossbred calves with (Piedmontese…”
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Effects of feeding beef females supplemental fat during gestation on cold tolerance in newborn calves by Lammoglia, M.A, Bellows, R.A, Grings, E.E, Bergman, J.W, Short, R.E, MacNeil, M.D

“…Effects of prepartum fat supplementation of the dam on cold tolerance of calves were determined in two studies. In Exp. 1, 22 F1, crossbred heifers gestating…”
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Body composition and metabolic profiles associated with puberty in beef heifers by Hall, J. B, Staigmiller, R. B, Bellows, R. A, Short, R. E, Moseley, W. M, Bellows, S. E

“…Rapid growth large frame (RL, n = 61) or average growth medium frame (AM, n = 71) biotype heifers fed to achieve either moderate (MOD, 0.6 kg/d) or high ADG…”
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Production from first-calf beef heifers fed a maintenance or low level of prepartum nutrition and ruminally undegradable or degradable protein postpartum by Wiley, J.S. (Montana State University, Bozeman), Petersen, M.K, Ansotegui, R.P, Bellows, R.A

“…Two experiments were conducted in consecutive years to determine the effects of prepartum nutrient level and postpartum ruminally undegraded protein intake on…”
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Induced and synchronized estrus in cattle: does titration of estradiol benzoate in peripubertal heifers and postpartum cows after treatment with an intravaginal progesterone-releasing insert and prostaglandin F2 alpha by Lammoglia, M.A. (Fort Keogh Livestock and Range Laboratory, ARS, USDA, Miles City, MT.), Short, R.E, Bellows, S.E, Bellows, R.A, MacNeil, M.D, Hafs, H.D

“…Peripubertal beef heifers (n = 57) and postpartum multiparous cows (n = 52) were used to determine the optimal dose of estradiol benzoate (EB) to induce and…”
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Effect of nutritional management, trace mineral supplementation, and norgestomet implant on attainment of puberty in beef heifers by Grings, E.E, Hall, J.B, Bellows, R.A, Short, R.E, Bellows, S.E, Staigmiller, R.B

“…We conducted a study to evaluate the influences of nutritional management, trace mineral supplementation, and exogenous progesterone on attainment of puberty…”
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Factors affecting dystocia in Brahman-cross heifers in subtropical southeastern United States by Bellows, R.A. (Ft. Keogh LARRL, ARS, USDA, Miles City, MT.), Genho, P.C, Moore, S.A, Chase, C.C. Jr

“…This study was conducted to determine relative relationships among factors affecting dystocia in Brahman-cross heifers. Body and pelvic measurements were…”
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Some effects of induced parturition and obstetrical assistance by Bellows, R.A, Short, R.E, Staigmiller, R.B

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The effect of estrus synchronization scheme, injection protocol and large ovarian follicle on response to superovulation in beef heifers by Staigmiller, R.B., MacNeil, M.D., Bellows, R.A., Short, R.E., Phelps, D.A.

“…Two trials were conducted to examine the effects of estrus synchronization scheme, gonadotropin injection protocol and presence of a large ovarian follicle on…”
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Reproductive efficiency of range beef cows fed different quantities of ruminally undegradable protein before breeding by Dhuyvetter, D.V, Petersen, M.K, Ansotegui, R.P, Bellows, R.A, Nisley, B, Brownson, R, Tess, M.W

“…Two studies, using 128 crossbred, multiparous beef cows grazing native winter and spring rangeland, were conducted to determine effects of protein…”
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Effects of feeding ponderosa pine needles during pregnancy: comparative studies with bison, cattle, goats, and sheep by Short, R.E. (Fort Keogh Livestock and Range Research Laboratory, ARS, USDA, Miles City, MT), James, L.F, Panter, K.E, Staigmiller, R.B, Bellows, R.A, Malcolm, J, Ford, S.P

“…Four experiments were conducted to determine the effect of feeding dried pine needles (Pinus ponderosa; PN) on the abortion rate of ruminants. In Exp. 1,…”
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Exercise and induced-parturition effects on dystocia and rebreeding in beef cattle by Bellows, R.A, Short, R.E, Staigmiller, R.B

“…The study involved 44 primiparous, 2-yr-old heifers and 74 multiparous cows, 3 or 4 yr old, bred to a single Charolais bull. Variables were dam age (heifer, H;…”
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Endocrine responses in cows fed ponderosa pine needles and the effects of stress, corpus luteum regression, progestin, and ketoprofen by Short, R. E, Staigmiller, R. B, Bellows, R. A, Ford, S. P

“…Pregnant cows were fed pine needles (PN, 2 kg.cow-1.d-1) mixed with the diet to determine factors that affect abortion response. I n Exp. 1, treatments were…”
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