Search Results - "Oosthuizen, Nicola"

Applied Use of Doppler Ultrasonography in Bovine Reproduction by Fontes, Pedro L. P., Oosthuizen, Nicola

“…The use of Doppler ultrasonography to quantify blood vascularization in reproductive organs has increased over the past decade. Doppler technology has…”
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Effects of Pre-Synchronization With Prostaglandin F2α and a Progestin, and Delayed Insemination on Pregnancy Rates With Sexed Semen in Replacement Beef Heifers by Oosthuizen, Nicola, Porter, Kristina, Burato, Samir, Goncalves, Lucas M., Pohler, Ky G., Fontes, Pedro L. P., Lamb, G. Cliff

“…To determine the effects of pre-synchronization and delayed fixed-time artificial insemination (TAI) on pregnancy rates (PR/AI) with sexed semen, 1,844 beef…”
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Effects of Administering Exogenous Bovine Somatotropin During the First Trimester of Pregnancy Altered Uterine Hemodynamics in Suckled Beef Cows by Sanford, Carla D., Owen, Megan P. T., McCarty, K., Canal, Luara B., Schulmeister, Tessa M., Oosthuizen, Nicola, Fontes, Pedro L. P., Lemley, Caleb O., Bromfield, John J., DiLorenzo, Nicolas, Lamb, G. Cliff

“…The objective of this study was to examine the effects of recombinant bovine somatotropin (bST) administration on uterine hemodynamics and subsequent fetal…”
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130 Presynchronization with Prostaglandin F2αand prolonged exposure to exogenous progesterone impacts estrus expression and alters fertility in beef heifers by Oosthuizen, Nicola, Fontes, Pedro, Lamb, Cliff

“…Abstract To determine the effects of 2 presynchronization strategies in conjunction with delayed fixed-time artificial insemination (TAI) on pregnancy rates to…”
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129 Presynchronization with Prostaglandin F2αand prolonged exposure to exogenous progesterone impacts estrus expression and alters fertility in beef heifers by Oosthuizen, Nicola, Fontes, Pedro, Lamb, Cliff

“…Abstract To determine the effects of 2 presynchronization strategies in conjunction with delayed fixed-time artificial insemination (TAI) on pregnancy rates to…”
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Presynchronization with Prostaglandin F2αand prolonged exposure to exogenous progesterone impacts estrus expression and alters fertility in beef heifers by Oosthuizen, Nicola, Fontes, Pedro, Lamb, Cliff

“…To determine the effects of 2 presynchronization strategies in conjunction with delayed fixed-time artificial insemination (TAI) on pregnancy rates to TAI (PR/…”
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Presynchronization with Prostaglandin F2αand prolonged exposure to exogenous progesterone impacts estrus expression and alters fertility in beef heifers by Oosthuizen, Nicola, Fontes, Pedro, Lamb, Cliff

“…To determine the effects of 2 presynchronization strategies in conjunction with delayed fixed-time artificial insemination (TAI) on pregnancy rates to TAI (PR/…”
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34 Reproductive management of beef females in tropical and sub-tropical environments by Oosthuizen, Nicola, Fontes, Pedro Levy Piza, Lamb, G Cliff

“…Abstract Bos indicus and Bos taurus cattle diverged from an evolutionary standpoint more than 110,000 years ago. Since then, Bos indicus cattle have undergone…”
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Reproductive management of beef females in tropical and sub-tropical environments by Oosthuizen, Nicola, Fontes, Pedro Levy Piza, Lamb, G Cliff

“…Bos indicus and Bos taurus cattle diverged from an evolutionary standpoint more than 110,000 years ago. Since then, Bos indicus cattle have undergone genetic…”
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Effects of Environmental Conditions on Pregnancy Rate in Replacement Beef Heifers by Oosthuizen, Nicola, Poole, Rebecca K, Houghton, Patsy L, Rippe, Janet M, Lamb, Graham C

“…Abstract Five years of breeding records from Bos taurus replacement beef heifers (n = 21,134) were examined to quantify the effects of environmental conditions…”
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15 Influence of early progesterone removal on follicular development, estrus expression, and pregnancy rates in presynchronized beef cows by Burato, Samir, Walker, Madison B, Goncalves, Lucas M, Oosthuizen, Nicola, Zoca, Saulo M, Ciriaco, Francine M, Henry, Darren D, Ranches, Juliana, Fontes, Pedro L P

“…Abstract The objective of this study was to evaluate the impact of early progesterone removal on pregnancy rates to fixed-time artificial insemination (FTAI)…”
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13 Effects of an acclimation protocol during the handling events of the 7 d CO-synch + CIDR protocol on temperament and reproductive performance of Bos taurus commercial beef heifers by Dias, Nicholas Wege, Tastad, Sydney, Silva, Joao Victor Chaves, Hurtado, Santiago Paez, Machado, Andreia Ferreira, Gomez-Leon, Victor Enrique, Jaeger, John R, Oosthuizen, Nicola, Johnson, Sandy

“…Abstract It has been previously reported that cattle temperament significantly impacts fertility to estrous synchronization (ES) protocols. In addition,…”
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Influence of early progesterone removal on follicular development, expression of estrus, and pregnancy rates in presynchronized postpartum beef cows by Burato, Samir, Walker, Madison Blake, Goncalves, Lucas Melo, Oosthuizen, Nicola, Zoca, Saulo Menegatti, Henry, Darren Dwayne, Ciriaco, Francine Messias, Ranches, Juliana, Fontes, Pedro Levy Piza

“…The objective of this study was to evaluate the impact of early progesterone removal on pregnancy rates to fixed-time artificial insemination (FTAI) in…”
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PSXIII-14 The impact of estrus intensity on variables associated with fertility in Bos taurus-influenced beef cows by Cooke, Reinaldo F, Oosthuizen, Nicola, Schubach, Kelsey, Brandão, Alice, Filho, Ramiro Oliveira, Colombo, Eduardo, Pohler, Ky

“…Abstract To evaluate the impact of estrus expression and intensity on parameters associated with reproductive performance, 219 lactating, multiparous Bos…”
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Luteal color doppler ultrasonography and pregnancy-associated glycoproteins as early pregnancy diagnostic tools and predictors of pregnancy loss in Bos taurus postpartum beef cows by Holton, Matthew Patrick, Oosthuizen, Nicola, Melo, Gabriela Dalmaso de, Davis, Dylan Blake, Stewart, Robert Lawton, Pohler, Ky Garret, Lamb, Graham Cliff, Fontes, Pedro Levy Piza

“…Abstract The objective of this study was to evaluate the use of luteal color doppler (CD) ultrasonography and plasma concentrations of pregnancy-associated…”
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Texas A&M Beef Cattle Short Course: Program Evaluation by Oosthuizen, Nicola, Fontes, Pedro, Lamb, Graham, Cleere, Jason

“…Survey results (n = 3,748) collected over a period of 7 years from the Texas A&M Beef Cattle Short Course (BCSC) were analyzed to evaluate course demographics…”
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Intake, ruminal fermentation parameters, and apparent total-tract digestibility by beef steers consuming Pensacola bahiagrass hay treated with calcium oxide by Ciriaco, Francine M, Henry, Darren D, Schulmeister, Tessa M, Sanford, Carla D, Canal, Luara B, Fontes, Pedro L P, Oosthuizen, Nicola, Dubeux, Jose C B, Lamb, G Cliff, DiLorenzo, Nicolas

“…Abstract To determine the effect of CaO-treated Pensacola bahiagrass (Paspalum notatum) hay on intake, ruminal fermentation parameters, and apparent…”
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150 Administration of prostaglandin F2α 24 h prior to CIDR removal impacts reproductive performance of suckled beef cows assigned to the 7-d CO-Synch + CIDR protocol by Fontes, Pedro, Cooke, Reinaldo F, Oosthuizen, Nicola, Timlin, Claire L, Dias, Nicholas, Currin, John F, Clark, Sherrie, Lamb, Graham Cliff, Pohler, Ky G, Mercadante, Vitor R G

“…Abstract Angus-influenced cows received 100 µg of GnRH and a CIDR device containing 1.38 g of progesterone (P4) on d 0, and were randomly assigned to 25-mg…”
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Administration of prostaglandin F2α 24 h prior to CIDR removal impacts reproductive performance of suckled beef cows assigned to the 7-d CO-Synch + CIDR protocol by Fontes, Pedro, Cooke, Reinaldo F, Oosthuizen, Nicola, Timlin, Claire L, Dias, Nicholas, Currin, John F, Clark, Sherrie, Lamb, Graham Cliff, Pohler, Ky G, Mercadante, Vitor R G

“…Angus-influenced cows received 100 μg of GnRH and a CIDR device containing 1.38 g of progesterone (P4) on d 0, and were randomly assigned to 25-mg injection of…”
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Effects of bismuth subsalicylate and encapsulated calcium-ammonium nitrate on enteric methane production, nutrient digestibility, and liver mineral concentration of beef cattle by Henry, Darren D, Ciriaco, Francine M, Araujo, Rafael C, Fontes, Pedro L P, Oosthuizen, Nicola, Rostoll-Cangiano, Lautaro, Sanford, Carla D, Schulmeister, Tessa M, Dubeux, Jose C B, Cliff Lamb, Graham, DiLorenzo, Nicolas

“…Abstract Two randomized block designs were performed to evaluate the effects of bismuth subsalicylate (BSS) and encapsulated calcium-ammonium nitrate (eCAN) on…”
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