A. C. Hammond, T. A. Olson, C. C. Chase, E J Bowers, R. D. Randel, Clifton N. Murphy, D. W. Vogt, Assefaw Tewolde,
... Angus, Hereford), Bos indicus (Brahman), tropical Bos taurus (Senepol, Romosinuano), and the reciprocal crosses of Hereford and Senepol. Differences among breeds in temperament score, circulating concentrations ... Angus, 28 Brahman, 12 Hereford, 23 Romosinuano, 16 Senepol, 5 Hereford × Senepol (H × S), and 5 Senepol × Hereford (S × H) heifers. Trial 2 used 36 Angus, 31 Brahman, 9 Hereford, 14 Senepol, 19 H × S, and 10 S × H heifers. ... was greater (P < .001) than that of Brahman, Senepol, or Romosinuano. Rectal temperature and plasma cortisol were ...
Tópico(s): Reproductive Physiology in Livestock
1996 - Oxford University Press | Journal of Animal Science
C. C. Chase, David G. Riley, T. A. Olson, S. W. Coleman, A. C. Hammond,
... cows in the subtropics, 42 Brahman × Angus, 34 Senepol × Angus, and 50 Tuli × Angus cows were bred ... birth weights were heavier (P < 0.01) from Senepol × Angus than either Brahman × Angus or Tuli × Angus ... from Brahman × Angus (213.5 kg) than either Senepol × Angus (194.9 kg) or Tuli × Angus (191. ... birth weights were heavier (P < 0.05) from Senepol × Angus compared with Brahman × Angus but not Tuli × ... Angus cows (233.4 kg), and intermediate from Senepol × Angus cows (245.0 kg). Calf crop born ... crop weaned were lowest (P < 0.05) for Senepol × Angus cows (76.9 and 70.2%) and ...
Tópico(s): Reproductive Physiology in Livestock
2004 - Oxford University Press | Journal of Animal Science
... in testicular, seminal and hematological characteristics in adapted (Senepol) and nonadapted (Holstein) Bostaurus bulls under the semi- ... 64°W). In Experiment 1 mature, sexually-rested Senepol (n=10) and Holstein (n=9) bulls of ... 8°C mean ambient temperature, 81.5% humidity). Senepol bulls had lower (P<0.01) rectal temperatures ( ... and testis tone firmer (P<0.001) in Senepol compared to Holstein bulls. Ejaculates, obtained by electroejaculation, ... with fewer abnormal tails and detached acrosomes in Senepol than in Holstein bulls (P<0.05). In ...
Tópico(s): Ruminant Nutrition and Digestive Physiology
1993 - Elsevier BV | Theriogenology
Pilar Álvarez, L. J. Spicer, C. C. Chase, Mark E. Payton, T D Hamilton, Robert E. Stewart, A. C. Hammond, T. A. Olson, R. P. Wettemann,
... 12), Brahman (tropical Bos indicus; n = 12), and Senepol (tropical Bos taurus; n = 12) cows during an ... 05) in Brahman than in Angus and(or) Senepol cows. Length of the estrous cycle (SEM = .6 d) was similar (P > .10) among Senepol (20.4 d), Angus (19.5 d), and Brahman (19.7 d) cows. Senepol cows had greater (P < .05) diameters of the ... estrus) was greater in Angus than Brahman or Senepol cows (breed × day, P < .05). Between d 2 ... in plasma of Brahman than in Angus or Senepol cows. Plasma glucose concentrations were greater (P < .05) ...
Tópico(s): Effects of Environmental Stressors on Livestock
2000 - Oxford University Press | Journal of Animal Science
F. A. Thrift, D. E. Franke, D. K. Aaron,
... to evaluate breed-of-sire comparisons involving the Senepol breed of cattle. For the Kentucky study, calves sired by Senepol bulls were 1.3 kg heavier (P<.05) ... average of calves sired by Red Poll and Senepol bulls. Also, heifers exposed to Longhorn bulls weaned ... average of heifers exposed to Red Poll and Senepol bulls. Calves sired by Red Poll bulls were ... P<.01) at weaning than those sired by Senepol bulls; however, the Senepol-sired calves received higher (P<.01) condition scores ... per heifer exposed than did heifers exposed to Senepol bulls.
Tópico(s): Ruminant Nutrition and Digestive Physiology
1986 - Oxford University Press | Journal of Animal Science
Alba Montoya, Mário Fernando Cerón-Muñoz, Manuel Moreno, Edwin A. Martinez, Juan David Gómez, Juan Tirado, S. Calvo,
... is to establish a genetic characterization of the Senepol (S, n=49), Holstein (H, n= 60), Hartón ... per breed varied from 9.2 in the Senepol breed to 10.3 in the Holstein breed. ... razas Hartón del Valle, Angus, Brangus, Holstein y Senepol en Colombia, usando 10 marcadores microsatélitesResumen El objetivo ... este trabajo fue caracterizar genéticamente las razas bovinas Senepol (S, n=49), Holstein (H, n= 60), Hartón ... raças Hartón del Valle, Angus, Brangus, Holandês e Senepol na Colômbia, usando 10 marcadores microsatélitesResumoO objetivo do ...
Tópico(s): Agricultural and Food Production Studies
2010 - Universidad de Antioquia | Revista Colombiana de Ciencias Pecuarias
... n = 30; heat-sensitive Bos taurus; H) and Senepol (n = 28; heat-tolerant Bos taurus; S) steers ... and 524 g/d, respectively). In Exp. 2, Senepol had lower (P < 0.01) respiration rates, shade ... during the fall. Thermal status indicator traits in Senepol and Hereford steers were similarly altered by TF; however, only Hereford showed consistently poor growth. Senepol showed resilience in their capacity for growth under conditions of fescue toxicosis. Senepol influence may enhance cattle performance in production systems ...
Tópico(s): Ruminant Nutrition and Digestive Physiology
2004 - Oxford University Press | Journal of Animal Science
J. W. Holloway, B. G. Warrington, D.W. Forrest, R.D. Randel,
... the preweaning performance of F1 Brahman (Bos indicus)-, Senepol (Bos taurus)-, and Tuli (Sanga)-Angus calves under ... 1 to 9) at weaning than Tuli and Senepol F1 calves. Senepol F1 calves were intermediate (P < 0.05) between ... birth than the other two crossbreds. Tuli and Senepol F1 were similar (P > 0.05) in BCS ... conditions than the other two F1 breed types; Senepol and Tuli F1 were similar (P > 0.05) ...
Tópico(s): Reproductive Physiology in Livestock
2002 - Oxford University Press | Journal of Animal Science
F. F. Paula‐Lopes, Chase Cc, Y.M. Al‐Katanani, Krininger CE, RM Rivera, Şaban Teki̇n, A.C. Majewski, O.M. Ocon, Olson Ta, Per Juel Hansen,
... and tissues from two thermotolerant breeds (Brahman and Senepol) are better able to survive and function after ... than for Holstein and Angus breeds. Embryos from Senepol cows had very low development and it was ... oviductal or endometrial explants. Lymphocytes from Brahman and Senepol cows were more resistant to heat-induced apoptosis ... for apoptosis response in lymphocytes, with Brahman and Senepol cattle being more resistant to heat shock than ... evolutionary forces that led to the Brahman and Senepol breeds being adapted to hot climates resulted in ...
Tópico(s): Heat shock proteins research
2003 - Bioscientifica | Reproduction
C. C. Chase, R.E. Larsen, A. C. Hammond, R.D. Randel,
... days of age and weighing 366 kg) and Senepol bulls (n=10, 457 days of age and ... tended to decrease in Angus but not in Senepol bulls. The final rectal temperature was 0.5 degrees C lower (P<0.003) in Senepol than in Angus bulls. Basal T concentrations and ... area under the GnRH-induced LH curve than Senepol bulls.
Tópico(s): Genetic and phenotypic traits in livestock
1993 - Elsevier BV | Theriogenology
... breeding soundness evaluation (BSE) was used to evaluate Senepol (Bos taurus) bulls (n = 495) on St. Croix ... versus 2.13 ± 0.11%, respectively). In conclusion, Senepol bulls raised under tropical conditions had a low ... but the passing rate increased with age. Older Senepol bulls were more likely to fail the BSE ... culling, a BSE should not be performed on Senepol bulls <16 months old.
Tópico(s): Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
2004 - Elsevier BV | Theriogenology
C. C. Chase, P.J. Chenoweth, R.E. Larsen, T. A. Olson, A. C. Hammond, M. Menchaca, R. D. Randel,
... 24 Angus, 24 Brahman, 20 Hereford and 14 Senepol bulls, while in Year 2, it contained 25 ... older and heavier at puberty than Angus, Hereford, Senepol and Romosinuano bulls (Bos taurus). Libido scores were ... bulls (temperate Bos taurus breeds) and intermediate for Senepol and Romosinuano bulls (tropical Bos taurus breeds; P < ... and Hereford bulls (temperate breeds) than for Brahman, Senepol, Romosinuano and Nellore × Brahman bulls (tropical breeds). In conclusion, reproductive development of Senepol and Romosinuano bulls (tropical Bos taurus breeds) was ...
Tópico(s): Ruminant Nutrition and Digestive Physiology
1997 - Elsevier BV | Theriogenology
Antonio J. Landaeta‐Hernández, Joel Yelich, Jeanette LeMaster, Michael J. Fields, Than Tran, Chad C. Chase, D. O. Rae, P.J. Chenoweth,
... in Angus (n = 10), Brahman (n = 10) and Senepol (n = 10) cows during a PGF2alpha synchronized estrus ... 5 h) than Brahman (53 +/- 7 h) or Senepol (53 +/- 4 h) cows, with dominant Senepol and Brahman cows taking longer to exhibit estrus ... tended to be shorter (P < 0.06) in Senepol (12 +/- 3 h) than in Angus (19 +/- 2 ...
Tópico(s): Genetic and phenotypic traits in livestock
2002 - Elsevier BV | Theriogenology
Produção Nacional
Revisado por pares
Heather J. Huson, Eui-Soo Kim, R. W. Godfrey, Timothy A. Olson, Matthew McClure, Chad C. Chase, Rita Rizzi, Ana M. Pérez O’Brien, Curtis P. Van Tassell, José F. Garcia, Tad S. Sonstegard,
... signatures of selection in this region derived from Senepol cattle. The current study compares three slick-haired Criollo-derived breeds including Senepol, Carora, and Romosinuano and three additional slick-haired ... locus. Principle component analysis and admixture results show Senepol and Romosinuano sharing a higher degree of genetic ... information supports potentially two mutations, one common to Senepol and Romosinuano and another in Carora, effecting genes ...
Tópico(s): Genetic diversity and population structure
2014 - Frontiers Media | Frontiers in Genetics
A. C. Hammond, C. C. Chase, E J Bowers, T. A. Olson, R.D. Randel,
... Trial 1 (1994) involved 38 Brahman (B), 21 Senepol (S), 19 B × Angus (A), 20 S × A, ... in F1 crosses of tropically adapted breeds (Tuli, Senepol, Brahman) with a temperate breed (Angus) is similar to heat tolerance displayed by purebred tropical breeds (Senepol, Brahman).
Tópico(s): Genetic and phenotypic traits in livestock
1998 - Oxford University Press | Journal of Animal Science
C. C. Chase, T. A. Olson, A. C. Hammond, M. Menchaca, R. L. West, D. D. Johnson, W. T. Butts,
... two phases to determine preweaning performance traits of Senepol (S × S), Hereford (H × H), and reciprocal (S × ... for 205-d adjusted weaning weight (P < .01). Senepol maternal breed effects were 1.9 kg for ... weaning weight (P < .01). Levels of direct heterosis, Senepol maternal breed effects, and Hereford direct breed effects ...
Tópico(s): Effects of Environmental Stressors on Livestock
1998 - Oxford University Press | Journal of Animal Science
R. B. Simpson, C. C. Chase, A. C. Hammond, M. J. Williams, T. A. Olson,
Hereford (n = 48), Senepol (n = 42), and reciprocal crossbred (n = 34) heifers from two consecutive calf crops were stratified by breed, age, and ... yr study, a subset of Hereford (n = 12), Senepol (n = 15), and reciprocal crossbred (n = 14) heifers ... be higher in crossbred than in Hereford and Senepol heifers (16.6 vs 14.3 and 14. ...
Tópico(s): Pasture and Agricultural Systems
1998 - Oxford University Press | Journal of Animal Science
Produção Nacional
Revisado por pares
Yeda Fumie Watanabe, H. A. Souza, Rodolfo Daniel Mingoti, R. M. Ferreira, E. O. S. Batista, A Dayan, O. Watanabe, Flávio Vieira Meirelles, Marcelo Fábio Gouveia Nogueira, José Bento Sterman Ferraz, Pietro Sampaio Baruselli,
... Beef breeds analyzed were Nelore (Bos indicus) and Senepol (Bos taurus) and dairy breeds were Gyr (Bos ... of oocytes per OPU compared to Bos taurus (Senepol = 21.8;Holstein = 19.3).Despite these differences ... on both cleavage and blastocyst rates, especially for Senepol breed.Conversely, in dairy breeds the number of ... oocytes retrieved per OPU.In contrast, in the Senepol breed and both dairy breeds (Gyr and Holstein) ...
Tópico(s): Sperm and Testicular Function
2017 - Colégio Brasileiro de Patologia Animal (CBPA) | Animal Reproduction
Produção Nacional
Revisado por pares
A. R. B. Ribeiro, M. M. de Alencar, A. R. de Freitas, Luciana Correia de Almeida Regitano, M. C. de S. Oliveira, A. M. G. Ibelli,
... Nelore (NE), crossbred Angus x Nelore (TA) and Senepol x Nelore (SN) cattle submitted to a heat ... all three test periods. Based on these results, Senepol x Nelore heifers showed a better adaptation in ...
Tópico(s): Genetic and phenotypic traits in livestock
2010 - African Journals OnLine | South African Journal of Animal Science
Rick A. Brenneman, C. C. Chase, T. A. Olson, David G. Riley, S. W. Coleman,
... genetic diversity among the breeds American Brahman, Angus, Senepol and Romosinuano; the latter was comprised of two ... the Costa Rican line of Romosinuano and the Senepol. Gene diversity ranged between 0.64 (Costa Rican ...
Tópico(s): Silkworms and Sericulture Research
2007 - Wiley | Animal Genetics
Maxy Mariasegaram, C. C. Chase, José X. Chaparro, T. A. Olson, Rick A. Brenneman, Randall P. Niedz,
... subtropics and tropics. Previous studies have shown that Senepol cattle and their crosses with Holstein, Charolais and ... been attributed to the slick hair coat of Senepol cattle, which is thought to be controlled by ...
Tópico(s): Meat and Animal Product Quality
2007 - Wiley | Animal Genetics
... characteristics were measured in a random population of Senepol bulls representing three farms on St. Croix (17° ... that SC, testicular weight and sperm reserves of Senepol bulls more closely resemble those reported for Bos ...
Tópico(s): Animal Genetics and Reproduction
1993 - Elsevier BV | Animal Reproduction Science
C. C. Chase, P.J. Chenoweth, R.E. Larsen, A. C. Hammond, T. A. Olson, R. L. West, D. D. Johnson,
... crops using 31 Brahman × Angus (B × A), 41 Senepol × Angus (S × A), and 38 Tuli × Angus (T × ... In conclusion, tropically adapted F1 bulls produced from Senepol (Bos taurus) and Tuli (Sanga) sires bred to ...
Tópico(s): Genetic and phenotypic traits in livestock
2001 - Oxford University Press | Journal of Animal Science
Produção Nacional
Revisado por pares
André Lasmar Guimarães, Maria Eugênia Zerlotti Mercadante, Roberta Carrilho Canesin, Renata Helena Branco, Maria Lúcia Pereira Lima, Joslaine Noely dos Santos Gonçalves Cyrillo,
... and feeding behavior, growth and carcass traits in Senepol cattle. A total of 137 animals were evaluated. ... different periods of the life of the animal. Senepol animals with low residual feed intake (high efficiency) ...
Tópico(s): Effects of Environmental Stressors on Livestock
2017 - Sociedade Brasileira de Zootecnia | Revista Brasileira de Zootecnia
Produção Nacional
Revisado por pares
G. M. Pereira, A. A. do Egito, Rodrigo da Costa Gomes, M.N. Ribas, R. A. Torres, José Artur Barroso Fernandes, G.R.O. Menezes,
... to water intake and water use efficiency in Senepol cattle. Senepol females (n = 925) and males (n = 191) were ... indexes. Genetic improvement of water use efficiency in Senepol cattle is possible through selection and may reduce ...
Tópico(s): Reproductive Physiology in Livestock
2020 - Elsevier BV | animal
Produção Nacional
Revisado por pares
L.C. Novo, A. Gondo, Rodrigo da Costa Gomes, José Artur Barroso Fernandes, M.N. Ribas, Luiz F. Brito, Monyka Marianna Massolini Laureano, Cláudio Vieira de Araújo, G.R.O. Menezes,
... parameters for feed efficiency and carcass traits in Senepol cattle raised in tropical regions. Various indicators of ... effects on the growth and carcass traits of Senepol heifers. Direct selection for lower RFI may reduce ...
Tópico(s): Effects of Environmental Stressors on Livestock
2021 - Elsevier BV | animal
Produção Nacional
Revisado por pares
Suzane Peres Campanholi, Sebastião Garcia Neto, Andréa Cristina Basso, João Diego de Agostini Losano, Adriano Felipe Perez Siqueira, M. Nichi, Mayra Elena Ortiz D’Ávila Assumpção, Luara Afonso de Freitas, Cláudia Cristina Paro de Paz, Antônio Sérgio Ferraudo, Fábio Morato Monteiro, Lindsay Unno Gimenes,
... biotechnology responsible for the rapid expansion of the Senepol breed in our country. This breed has shown ... when used in crossbreeding and estimate IVEP in Senepol based on seminal analysis would be valuable for ... identify and characterize motile sperm subpopulations in cryopreserved Senepol semen following the washing process carried out before ... analyzes. Samples of 38 cryopreserved semen from 28 Senepol bulls, chosen based on retrospective data from 386 ... and an IVEP estimation model was generated for Senepol bulls based on these two subpopulations: embryo yield = ...
Tópico(s): Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
2020 - Elsevier BV | Theriogenology
... and tissues from two thermotolerant breeds (Brahman and Senepol) are better able to survive and function after ... than for Holstein and Angus breeds. Embryos from Senepol cows had very low development and it was ... oviductal or endometrial explants. Lymphocytes from Brahman and Senepol cows were more resistant to heat-induced apoptosis ... for apoptosis response in lymphocytes, with Brahman and Senepol cattle being more resistant to heat shock than ... evolutionary forces that led to the Brahman and Senepol breeds being adapted to hot climates resulted in ...
Tópico(s): Heat shock proteins research
2003 - Bioscientifica | Reproduction
T. J. Schatz, Shaneqwa Thomas, Sasha C. Reed, M. N. Hearnden,
... of four year groups of Brahman and F1 Senepol × Brahman steers was compared grazing buffel pasture at ... Daly Research Farm, Douglas-Daly, NT, Australia. F1 Senepol × Brahman steers were on average 32 kg heavier ... combined with previous studies that found that F1 Senepol × Brahman steers had more tender meat and performed ... a tropically adapted Bos taurus breed, such as Senepol, could be an effective way for north Australian ...
Tópico(s): Livestock Farming and Management
2020 - CSIRO Publishing | Animal Production Science
Produção Nacional
Jéssica Lawanne Delfino, Vinícius de Morais Barbosa, Cristóvão Costa Gondim, Patrícia Magalhães de Oliveira, Nayara Resende Nasciutti, Raphael Soares de Barros Ramos Oliveira, Suzana Akemi Tsuruta, Antônio Vicente Mundim, João Paulo Elsen Saut,
... influence of age on serum biochemical profile in Senepol calves, at the first 120 days of age. ... data showed that the serum biochemical profile in Senepol is influenced by age up to 120 days ...
Tópico(s): Animal health and immunology
2014 - UNIVERSIDADE ESTADUAL DE LONDRINA | Semina Ciências Agrárias