Search Results - "PERES, R. F. G"

Strategic supplementation of calcium salts of polyunsaturated fatty acids to enhance reproductive performance of Bos indicus beef cows by Lopes, C. N, Cooke, R. F, Reis, M. M, Peres, R. F. G, Vasconcelos, J. L. M

“…Five experiments evaluated the effects of supplemental Ca salts of PUFA on reproductive function of Bos indicus beef cows. In Exp. 1, nonlactating and…”
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Use of bovine pregnancy-associated glycoproteins to predict late embryonic mortality in postpartum Nelore beef cows by Pohler, K.G., Peres, R.F.G., Green, J.A., Graff, H., Martins, T., Vasconcelos, J.L.M., Smith, M.F.

“…The primary objective was to determine if circulating concentration of bovine pregnancy-associated glycoproteins (bPAGs) on Day 30 after artificial…”
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Influence of body condition score and its change after parturition on pregnancy rates to fixed-timed artificial insemination in Bos indicus beef cows by Carvalho, R.S., Cooke, R.F., Cappellozza, B.I., Peres, R.F.G., Pohler, K.G., Vasconcelos, J.L.M.

“…This experiment evaluated pregnancy rates to fixed-time artificial insemination (FTAI) in Bos indicus beef cows according to their body condition score (BCS)…”
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Fixed-time artificial insemination with estradiol and progesterone for Bos indicus cows I: Basis for development of protocols by Meneghetti, M., Filho, O.G. Sá, Peres, R.F.G., Lamb, G.C., Vasconcelos, J.L.M.

“…Five experiments were conducted on commercial farms in Brazil aiming to develop a fixed-time artificial insemination (TAI) protocol that achieved pregnancy…”
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Fixed-time artificial insemination with estradiol and progesterone for Bos indicus cows II: Strategies and factors affecting fertility by Filho, O.G. Sá, Meneghetti, M., Peres, R.F.G., Lamb, G.C., Vasconcelos, J.L.M.

“…In Experiments 1, 2, and 3, we evaluated the effects of temporary weaning (TW), equine chorionic gonadotropin (eCG), and follicle-stimulating hormone (FSH)…”
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Strategies to improve fertility in Bos indicus postpubertal heifers and nonlactating cows submitted to fixed-time artificial insemination by Peres, R.F.G., Júnior, I. Claro, Filho, O.G. Sá, Nogueira, G.P., Vasconcelos, J.L.M.

“…Two experiments were designed to evaluate strategies to increase fertility of Bos indicus postpubertal heifers and nonlactating cows submitted to a fixed-time…”
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Effect of progesterone concentrations, follicle diameter, timing of artificial insemination, and ovulatory stimulus on pregnancy rate to synchronized artificial insemination in postpubertal Nellore heifers by Martins, T., Peres, R.F.G., Rodrigues, A.D.P., Pohler, K.G., Pereira, M.H.C., Day, M.L., Vasconcelos, J.L.M.

“…Two experiments were designed to evaluate the effects of treatments with low versus high serum progesterone (P4) concentrations on factors associated with…”
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Effect of interval from induction of puberty to initiation of a timed AI protocol on pregnancy rate in Nellore heifers by Rodrigues, A.D.P., Peres, R.F.G., Lemes, A.P., Martins, T., Pereira, M.H.C., Carvalho, E.R., Day, M.L., Vasconcelos, J.L.M.

“…Prepubertal Bos indicus heifers (n = 774) were submitted to an E2/P4-based timed artificial insemination (TAI) protocol at three different intervals after…”
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Reproductive performance of prepubertal Bos indicus heifers after progesterone-based treatments by Júnior, I. Claro, Filho, O.G. Sá, Peres, R.F.G., Aono, F.H.S., Day, M.L., Vasconcelos, J.L.M.

“…The objective was to evaluate the effects of exogenous progesterone (P4) on reproductive performance of prepubertal Bos indicus heifers. Prepubertal Nelore…”
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Progesterone-based strategies to induce ovulation in prepubertal Nellore heifers by Rodrigues, A.D.P, Peres, R.F.G, Lemes, A.P, Martins, T, Pereira, M.H.C, Day, M.L, Vasconcelos, J.L.M

“…Four experiments were conducted to evaluate hormonal strategies to induce ovulation in Nellore heifers. In experiment 1, heifers (N = 1039) received a…”
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Effect of sequence of insemination after simultaneous thawing of multiple semen straws on conception rate to timed AI in suckled multiparous Nelore cows by Oliveira, L.Z, Arruda, R.P, de Andrade, A.F.C, Santos, R.M, Beletti, M.E, Peres, R.F.G, Martins, J.P.N, Hossepian de Lima, V.F.M

“…The objective was to determine the effect of sequence of insemination after simultaneous thawing of multiple 0.5 mL semen straws on conception rate in suckled…”
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Predicting Embryo Presence and Viability by Pohler, K G, Green, J A, Geary, T W, Peres, R F G, Pereira, M H C, Vasconcelos, J L M, Smith, M F

“…Pregnancy establishment, followed by birth of live offspring, is essential to all mammals. The biological processes leading up to pregnancy establishment,…”
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Effects of temperament on physiological, productive, and reproductive responses in beef cows by Cooke, R F, Schubach, K M, Marques, R S, Peres, R F G, Silva, L G T, Carvalho, R S, Cipriano, R S, Bohnert, D W, Pires, A V, Vasconcelos, J L M

“…This experiment evaluated the effects of temperament on physiological, productive, and reproductive responses in beef cows. A total of 953 lactating,…”
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Relationship among serum metabolic hormones with pregnancy rates to fixed-time artificial insemination in Bos indicus beef females by Peres, R.F.G., Cooke, R.F., Dias, H., Keisler, D.H., Pohler, K.G., Vasconcelos, J.L.M.

“…•Leptin, GH, and IGF-I serve as nutritional mediators on female reproduction.•The reproductive impact of leptin, GH, and IGF-I was studied in Bos indicus…”
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Effect of eCG and P4 level in timed AI programs in bos indicus and bos indicus x bos taurus heifers by Rodrigues, A D P, Peres, R F G, Day, M L, Vasconcelos, J L M

“…This study evaluates the effects of P4 level and eCG treatment in timed-AI in Bos indicus (Nellore) and Bos indicus x Bos taurus (crossbred) heifers. Heifers…”
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1067 Effect of eCG and P4 level in timed AI programs in bos indicus and bos indicus × bos taurus heifers by Rodrigues, A. D. P., Peres, R. F. G., Day, M. L., Vasconcelos, J. L. M.

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Field comparison of GnRH and PGF2α treatments in cows not expressing estrus at timed-AI by Diniz, J.H.W., Teixeira, A.C.B., Peres, R.F.G., Gois, R.B., Cunha, E.C.R., Escobar Jr, O.J., Carvalho, R.S., Oliveira, L.Z.

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Sire Effect on Pregnancy Associated Glycoprotein (PAG) Concentrations in Nelore Beef Cows by Franco, G A, Peres, R F G, Martins, C F G, Vasconcelos, J L M, Pohler, K G

“…An abstract of the study by Franco et al determining how breed and fertility of sire influences pregnancy associated glycoprotein (PAG) concentration in Nelore…”
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081 Sire Effect on Pregnancy Associated Glycoprotein (PAG) Concentrations in Nelore Beef Cows by Franco, G. A., Peres, R. F. G., Martins, C. F. G., Vasconcelos, J. L. M., Pohler, K. G.

“…Abstract Understanding the causes of embryonic mortality (EM) is fundamental to developing management strategies that decrease economic loss in cattle. Though…”
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In vitro sperm characteristics and in vivo fertility of sex-sorted and conventional semen in suckled Nelore cows at a traditional schedule for timed-AI with estrus detection by Diniz, J.H.W., Riveros, J.A.N., Teixeira, A.C.B., Pereira, I.C., Borges, A.M., Monteiro, G.A., Peres, R.F.G., Rocha, L.O., Beletti, M.E., Oliveira, L.Z.

“…ABSTRACT The aim of this study was to assess in vitro sperm characteristics and pregnancies/AI (P/AI) of conventional and sex-sorted semen at timed-AI of…”
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