Results 11 to 20 of about 10,429 (216)

Heat tolerance of Nelore, Senepol x Nelore and Angus x Nelore heifers in the southeast region of Brazil [PDF]

South African Journal of Animal Science, 2008
The Brazilian beef industry has experienced an increase in the utilization of adapted and non-adaptedBos taurus breeds in crossbreeding systems. In spite of this, little is known about the adaptability of these groups and of their crossbred progeny when raised in a tropical climate.
Ribeiro, A.R.B., Alencar, M.M., Freitas, A.R., Regitano, L.C.A., Oliveira, M.C.S., Ibelli, A.M.G.   +5 more
core   +6 more sources

Tolerância ao calor em bovinos das raças Nelore branco, Nelore vermelho e Pantaneira [PDF]

Revista Brasileira de Saúde e Produção Animal, 2014
A identificação de parâmetros/ métricas associados à adaptação ambiental é uma das principais tendências e desafios da pecuária mundial. Desta forma, o objetivo deste trabalho foi avaliar as características de tolerância ao calor de bovinos da raça Nelore e Pantaneiro no ecossistema do Pantanal matogrossense no pico de calor da região.
Barbosa, Bruna Rocha Passos, Santos, Sandra Aparecida, Abreu, Urbano Gomes Pinto de, Egito, Andrea Alves, Comastri Filho, José Aníbal, Juliano, Raquel Soares, Paiva, Samuel Rezende, McManus, Concepta   +7 more
core   +6 more sources

Curvas de crescimento de fêmeas da raça nelore e seus cruzamentos Growth curves of female nelore and their crosses [PDF]

Ciência e Agrotecnologia, 2011
Seleção para características do crescimento pode ser feita após ajustadas funções de crescimento para todos os animais sob seleção. Porém, a curva de crescimento de fêmeas é influenciada pelas gestações e lactações subsequentes.
Tarcisio de Moraes Gonçalves, Marco Aurélio Dessimoni Dias, Jairo Azevedo Junior, Mary Ana Petersen Rodriguez, Vivian Dagnesi Timpani, Antônio Ilson Gomes de Oliveira   +5 more
doaj   +2 more sources

Genetic polymorphisms related to meat traits in purebred and crossbred Nelore cattle Polimorfismos genéticos relacionados às características da carne em bovinos Nelore puros e cruzados [PDF]

Pesquisa Agropecuária Brasileira, 2009
The objective of this work was to estimate the allelic and genotypic frequencies of CAST/XmnI, a calpastatin gene polymorphism, and CAPN530, a calpain 1 large subunit gene polymorphism, in different beef genetic groups (Nelore and Nelore x Bos taurus ...
Rogério Abdallah Curi, Marina Rufino Salinas Fortes, Luis Artur Loyola Chardulo, Antonio Carlos Silveira, Mário De Beni Arrigoni, Cyntia Ludovico Martins, Mayra Elena Ortiz D' Avila Assumpção, Henrique Nunes de Oliveira   +7 more
doaj   +2 more sources

Influence of MC1R Gene Variants on Coat Color of Indicine Cattle Breeds. [PDF]

Anim Genet
ABSTRACT Indicine cattle display a broad range of coat colors, representing a relevant and breed‐defining trait required for registration in breeder association. Among the genes involved in pigmentation, MC1R stands out for modulating the synthesis of melanin‐related proteins and remains poorly explored in indicine cattle breeds. Therefore, we aimed to
Maciel SVSA, Oliveira IPP, Senes BB, Santana CJS, Alves JS, da Silva EA, Franco FO, da Silva BCF, Cairo FC, Cairo FC, Vercesi-Filho AE, Costa RB, de Camargo GMF.   +12 more
europepmc   +2 more sources

Genetic Parameters for Novel Feedlot Profitability-Related Traits in Nelore Cattle. [PDF]

J Anim Breed Genet
ABSTRACT This study aimed to estimate (co)variance components and genetic parameters for accumulated profitability (AFP) and profit per kilogram of liveweight gain (PFT), and their relationships with weight at 450 days of age (W450), scrotal circumference at 365 days of age (SC365), age at first calving (AFC), probability of precocious calving at 30 ...
Pereira L, Baldi F, Rosa GJM, Ferraz JBS, Albertini TZ, Carvalho M, Lobo RB, da Costa Eifert E, Peripolli E, Magnabosco CU.   +9 more
europepmc   +2 more sources

Genomic Prediction Ability for Novel Profitability Traits Using Different Models in Nelore Cattle. [PDF]

J Anim Breed Genet
ABSTRACT The aim of this study was to assess the accuracy, bias and dispersion of genomic predictions for accumulated profitability (APF) and profit per kilogram of liveweight gain (PFT) in Nelore cattle using different prediction approaches. The dataset consisted of 3969 phenotypic records for each trait. The pedigree harboured information from 38,930
Pereira LS, Magnabosco CU, Rosa G, Stafuzza NB, Albertini TZ, Carvalho M, Lobo RB, Peripolli E, da Costa Eifert E, Baldi F.   +9 more
europepmc   +2 more sources

Genomic Analysis of Taurine and Indicine Ancestry in the Montana Tropical Composite Population. [PDF]

J Anim Breed Genet
ABSTRACT The Montana Tropical cattle, a Taurine and Indicine composite, were developed in Brazil since 1994 and were based on crossing four biological types of cattle: zebu (mainly Nelore), tropical adapted taurine (mainly Senepol and Romosinuano), British taurine (mainly Angus) and continental taurine (as Charolais, Simental and Limousin).
Dos Santos CA, Hay EH, de Mattos Oliveira EC, Espigolan R, Ferraz JBS, do Prado Paim T.   +5 more
europepmc   +2 more sources

Advances in the Use of Recombinant Gonadotropins for Reproductive Biotechnologies in Ruminants: A Review. [PDF]

Reprod Domest Anim
ABSTRACT Recombinant gonadotropins, particularly recombinant follicle‐stimulating hormone (rFSH) and recombinant equine chorionic gonadotropin (reCG), have emerged as viable alternatives to traditional animal‐derived hormones in reproductive biotechnologies. This review aims to provide an updated and comprehensive overview of recombinant gonadotropins,
Di Domenico VL, de Moraes FP, de Castro NÁ, de Oliveira FC, Magnabosco D, Gasperin BG.   +5 more
europepmc   +2 more sources

Integrative Genomics Identifies Candidate Genes Underlying Trypanotolerance in Hybrid African Cattle. [PDF]

Evol Appl
ABSTRACT Integrative genomics combines data from different omics sources to link genotypes and phenotypes with the aim of unravelling biological networks and pathways that undergird complex traits, particularly with respect to disease. In this respect, integrative genomics, leveraging population and functional genomic data, can be employed to ...
McHugo GP, Ward JA, Ng'ang'a SI, Frantz LAF, Browne JA, Salter-Townshend M, O'Gorman GM, Meade KG, Hill EW, Hall TJ, MacHugh DE.   +10 more
europepmc   +2 more sources