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| Registros recuperados: 31 | |
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| Boligon, Arione Augusti; Vicente, Isadora dos Santos; Roso, Vanerlei Mozaquatro; Souza, Fabio Pablos de. |
| Heritability and direct and maternal genetic changes were estimated in Nellore cattle for the following traits: birth to weaning weight gain (BWG), weaning to yearling weight gain (YWG), weaning conformation (WC), weaning precocity (WP), weaning muscling (WM), yearling conformation (YC), yearling precocity (YP), yearling muscling (YM) and yearling scrotal circumference (SC). Direct and maternal heritability for weaning traits were 0.21±0.03 and 0.13±0.01 (BWG); 0.19±0.03 and 0.07±0.01 (WC); 0.22±0.03 and 0.07±0.01 (WP); 0.20±0.03 and 0.07±0.01 (WM), respectively. For yearling traits, direct heritability were 0.19±0.04 (YWG); 0.32±0.05 (YC); 0.37±0.05 (YP); 0.38±0.05 (YM) and 0.41±0.04 (SC). Positive and significant direct genetic changes (p < 0.05) were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Genetic progress; Nellore cattle; Scrotal circumference; Visual scores; Weight gain.. |
| Ano: 2018 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/42572 |
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| FEIJÓ, G. L. D.; SILVA, J. M. da; THIAGO, L. R. L. de S.; PORTO, J. C. A.; ARRUDA, E. F.; JOBA, I.. |
| O confinamento e uma atividade que possibilita o abate de animais jovens e bem acabados, proporcionando, em geral, carcaças e carne de melhor qualidade. Considerando-se que, no Brasil, ainda não se pratica a adequada remuneração pela qualidade das carcaças e da carne e o concentrado e um dos itens que mais onera os custos operacionais de um confinamento a determinação de um nível ótimo de concentrado, que proporcione uma carcaça com um acabamento mínimo, e uma maneira do produtor conseguir maior produtividade nesta atividade. Foi desenvolvido, no Centro Nacional de Pesquisa de Gado de Corte (CNPGC) da Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA), um experimento com animais da raça Nelore e outro com animais F1 Pardo Suíço-Nelore, visando a... |
| Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) |
Palavras-chave: Bovino de corte; Nelore; Pardo suíço; Aspecto econômico; Carcasses; Costs; Economic situation.; Carcaça; Confinamento; Custo; Cruzamento; Ganho de Peso.; Brown Swiss; Nellore; Feedlots; Beef cattle; Crossbreds; Weight gain.. |
| Ano: 1998 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/318328 |
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| Rostami,H; Seidavi,A; Dadashbeiki,M; Asadpour,Y; Simões,J. |
| ABSTRACT The main objective of the present study was to evaluate the effects of the dietary addition of different levels of rosemary powder (RP) and vitamin E (VitE) on broiler performance and gut gross morphometry. A total of 270 one-day-old Ross 308 male chicks were randomly assigned to nine dietary treatments with three replicates of10 birds each. Treatments consisted of diets were supplemented with 0, 0.5 or 1.0% RP and 0, 100 or 200 mg/kg VitE (alpha-tocopherol acetate). Feed intake and weight gain were recorded weekly. On day 42, one bird per replicate was euthanized after blood sampling. Gastrointestinal tract segments were measured and/or weighed. Means were compared by least significant difference. Overall, broilers fed1.0% RP presented lower... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Gut; Nutrition; Rosemary; Vitamin E; Weight gain.. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2015001000023 |
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| Registros recuperados: 31 | |
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