Search Results - "Funston, R.N."

Epigenetics: Setting Up Lifetime Production of Beef Cows by Managing Nutrition by Funston, R.N, Summers, A.F

“…Longevity of cattle is correlated to reproductive success. Many studies in different species report the influence of maternal nutrition on progeny performance,…”
Get full text

Effects of maternal nutrition on conceptus growth and offspring performance: Implications for beef cattle production by Funston, R.N, Larson, D.M, Vonnahme, K.A

“…Developmental programming is the concept that a maternal stimulus or insult at a critical period in fetal development has long-term effects on the offspring…”
Get full text

Effects of hydroxy trace mineral supplementation on gain and reproductive performance in beef heifers by Springman, S.A., Drewnoski, M.E., Funston, R.N.

“…•Feeding hydroxy copper resulted in reduced liver copper compared to copper sulfate.•Heifer gain and reproduction were not affected by copper and zinc source…”
Get full text

Influence of maternal protein restriction in primiparous heifers during mid- and/or late-gestation on meat quality and fatty acid profile of progeny by Webb, M.J., Block, J.J., Funston, R.N., Underwood, K.R., Legako, J.F., Harty, A.A., Salverson, R.R., Olson, K.C., Blair, A.D.

“…The objective of this study was to evaluate the influence of metabolizable protein (MP) restriction in mid- and/or late-gestation on meat quality…”
Get full text

Winter grazing system and supplementation during late gestation influence performance of beef cows and steer progeny by Larson, D.M, Martin, J.L, Adams, D.C, Funston, R.N

“…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…”
Get full text

Insulin-Like Growth Factor I and Insulin-Like Growth Factor-Binding Proteins in Bovine Serum and Follicular Fluid before and after the Preovulatory Surge of Luteinizing Hormone1 by Funston, R.N., Seidel, G.E., Klindt, J., Roberts, A.J.

Get full text

Effects of dam nutrition on growth and reproductive performance of heifer calves by Martin, J.L, Vonnahme, K.A, Adams, D.C, Lardy, G.P, Funston, R.N

“…A 3-yr study was conducted with heifers (n = 170) whose dams were used in a 2 x 2 factorial arrangement of treatments to determine the effects of late…”
Get full text

Heifer development systems: Dry-lot feeding compared with grazing dormant winter forage by Funston, R.N, Larson, D.M

“…Two hundred ninety-nine Angus-based, nulliparous heifers (253 ± 2 kg initial BW) from 3 production years were utilized to compare traditional postweaning dry…”
Get full text

Winter grazing system and supplementation of beef cows during late gestation influence heifer progeny by Funston, R.N, Martin, J.L, Adams, D.C, Larson, D.M

“…A 2 x 2 factorial arrangement of treatments was used to evaluate effects of dam winter grazing system and supplementation in the last third of gestation on…”
Get full text

Effects of pre- and postpartum nutrition on reproduction in spring calving cows and calf feedlot performance by Stalker, L.A, Adams, D.C, Klopfenstein, T.J, Feuz, D.M, Funston, R.N

“…Crossbred, spring-calving cows (yr 1, n = 136; yr 2, n = 113; yr 3, n = 113) were used in a 3-yr experiment to evaluate the influence of supplemental protein…”
Get full text

ALPHARMA BEEF CATTLE NUTRITION SYMPOSIUM: Implications of nutritional management for beef cow-calf systems1 by Funston, R.N., Summers, A.F., Roberts, A.J.

“…The beef cattle industry relies on the use of high-forage diets to develop replacement females, maintain the cow herd, and sustain stocker operations. Forage…”
Get full text

Comparison of target breeding weight and breeding date for replacement beef heifers and effects on subsequent reproduction and calf performance by Funston, R.N, Deutscher, G.H

“…A 3-yr study was conducted with spring-born heifers (n = 240) to determine the effects of developing heifers to either 55 or 60% of mature BW at breeding on…”
Get full text

Utilization of dried distillers grains for developing beef heifers by Martin, J.L, Cupp, A.S, Rasby, R.J, Hall, Z.C, Funston, R.N

“…A 2-yr study was conducted at 2 locations to determine if supplementing beef heifers with dried distillers grains (DDG) as an energy source affected growth or…”
Get full text

Effect of dietary crude protein source on hormone and follicle characteristics in beef heifers by Martin, J.L, Larson, D.M, Stroh, H.L, Cupp, A.S, Funston, R.N

“…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…”
Get full text

GnRH increases cleavage rates in bovine oocytes fertilized in vitro by Funston, R.N., Seidel, G.E.

Get full text

Insulin-like growth factor I and insulin-like growth factor-binding proteins in bovine serum and follicular fluid before and after the preovulatory surge of luteinizing hormone by Funston, R.N. (Chadron State College, Chadron, NE.), Seidel, G.E. Jr, Klindt, J, Roberts, A.J

“…Previous studies have shown that concentrations of insulin-like growth factor (IGF)-binding proteins (BPs) in bovine follicles before the preovulatory surge of…”
Get full text

Synchronization of estrus in beef heifers using either melengesterol acetate (MGA)/prostaglandin or MGA/Select Synch by Funston, R.N., Ansotegui, R.P., Lipsey, R.J., Geary, T.W.

“…The objective of this study was to evaluate synchronization, conception, and pregnancy rates of yearling beef heifers synchronized with either the Select Synch…”
Get full text

Gonadotropin-releasing hormone increases cleavage rates of bovine oocytes fertilized in vitro by Funston, R.N. (Colorado State University, Fort Collins, CO.), Seidel, G.E. Jr

“…Because a direct effect of GnRH on spermatozoa has been implied in clinical studies with subfertile bulls and stallions, we added GnRH to in vitro…”
Get full text

Effect of acute glucose antagonism on hypophyseal hormones and concentrations of insulin-like growth factor (IGF)-I and IGF-binding proteins in serum, anterior pituitary, and hypothalamus of ewes by Funston, R.N. (Colorado State University, Fort Collins, CO.)

“…The objectives of this study were to determine whether 2-deoxy-D-glucose (2DG), a metabolic inhibitor of glucose, 1) differentially affected release of LH,…”
Get full text

Grazing behavior of rangeland beef cattle differing in biological type by Funston, R. N, Kress, D. D, Havstad, K. M, Doornbos, D. E

“…Grazing behavior exhibited by different biological types (breed groups) of lactating beef cows was evaluated during the summers of 1985 (Trial 1) and 1986…”
Get full text