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Registro Completo |
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
30/04/1998 |
Data da última atualização: |
25/04/2023 |
Autoria: |
FRIGGENS, N. C.; SHANKS, M.; KYRIAZAKIS, I.; OLDHAM, J. D.; McCLELLAND, T. H. |
Título: |
The growth and development of nine European sheep breeds. 1. British breeds: Scottish Blackface, Welsh Mountain and Shetland. |
Ano de publicação: |
1997 |
Fonte/Imprenta: |
Animal Science, v. 65, n. 3, p. 409-426, Dec. 1997. |
DOI: |
10.1017/S1357729800008614 |
Idioma: |
Inglês |
Conteúdo: |
Abstract: The objective of this study was to assess the growth and development of carcass composition of entire male and female lambs of three British hill breeds (Scottish Blackface, Welsh Mountain, and Shetland), from weaning to approaching maturity, when kept under conditions designed to be nutritionally non-limiting. Lambs were weaned at 8 weeks of age and given a high-quality pelleted diet ad libitum until slaughter at one offive different degrees of maturity. The Gompertz growth function was used to characterize, for each genotype, the growth curve and to provide estimates of mature weight. As expected, there were significant effects of breed and sex on both food intake and growth rate. Growth rate was depressed, relative to the Gompertz fit, during the months of October to January, and intake was similarly depressed. The estimates of mature weight for the females of each breed were: Scottish Blackface, 69; Welsh Mountain, 61; Shetland, 46 kg. The mature weights of the males were found to be not significantly different from 1-3 times the mature weight offemales. Relationships between carcass composition and live weight were derived by allometric regression. This study provides the first full description of the growth and meat production potential of the three breeds. |
Palavras-Chave: |
Composicao. |
Thesagro: |
Carcaça; Consumo; Cordeiro; Crescimento; Ovino. |
Thesaurus Nal: |
Breeds; Carcass composition; Lambs; Sheep. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 02141naa a2200301 a 4500 001 1518436 005 2023-04-25 008 1997 bl uuuu u00u1 u #d 024 7 $a10.1017/S1357729800008614$2DOI 100 1 $aFRIGGENS, N. C. 245 $aThe growth and development of nine European sheep breeds. 1. British breeds$bScottish Blackface, Welsh Mountain and Shetland.$h[electronic resource] 260 $c1997 520 $aAbstract: The objective of this study was to assess the growth and development of carcass composition of entire male and female lambs of three British hill breeds (Scottish Blackface, Welsh Mountain, and Shetland), from weaning to approaching maturity, when kept under conditions designed to be nutritionally non-limiting. Lambs were weaned at 8 weeks of age and given a high-quality pelleted diet ad libitum until slaughter at one offive different degrees of maturity. The Gompertz growth function was used to characterize, for each genotype, the growth curve and to provide estimates of mature weight. As expected, there were significant effects of breed and sex on both food intake and growth rate. Growth rate was depressed, relative to the Gompertz fit, during the months of October to January, and intake was similarly depressed. The estimates of mature weight for the females of each breed were: Scottish Blackface, 69; Welsh Mountain, 61; Shetland, 46 kg. The mature weights of the males were found to be not significantly different from 1-3 times the mature weight offemales. Relationships between carcass composition and live weight were derived by allometric regression. This study provides the first full description of the growth and meat production potential of the three breeds. 650 $aBreeds 650 $aCarcass composition 650 $aLambs 650 $aSheep 650 $aCarcaça 650 $aConsumo 650 $aCordeiro 650 $aCrescimento 650 $aOvino 653 $aComposicao 700 1 $aSHANKS, M. 700 1 $aKYRIAZAKIS, I. 700 1 $aOLDHAM, J. D. 700 1 $aMcCLELLAND, T. H. 773 $tAnimal Science$gv. 65, n. 3, p. 409-426, Dec. 1997.
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4. |  | VILELA, L.; SPAIN, J. M.; SOARES, W. V.; GOMIDE, C. C. C. Adaptação de gramíneas e leguminosas forrageiras a níveis de acidez e fósforo em um solo de cerrado: primeira coleção. In: REUNION SABANAS, 1., 1992, Brasilia, DF. Red Internacional de Evaluacion de Pastos Tropicales - RIEPT. Brasilia, DF: EMBRAPA-CPAC; [Cali]: CIAT, 1992. p. 431-438.Biblioteca(s): Embrapa Cerrados. |
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9. |  | PIZARRO, E. A.; AYARZA, M. A.; SPAIN, J. M.; CARVALHO, M. A.; SOUZA, M. A. de. Efecto de la irrigacion en la produccion de semillas de Stylosanthes guianensis cv. Mineirao. Pasturas Tropicales, Cali, v.15, n.3, p.27-28, 1993.Biblioteca(s): Embrapa Cerrados. |
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15. |  | VILELA, L.; SPAIN, J. M.; SOARES, W. V.; PENALOZA, A. del P. S.; GOMIDE, C. C. C. Adaptação de gramíneas e leguminosas forrageiras a níveis de acidez e fósforo em um solo de cerrado: segunda coleção. In: REUNION SABANAS, 1., 1992, Brasília, DF. Red Internacional de Evaluacion de Pastos Tropicales - RIEPT. Brasília, DF: EMBRAPA-CPAC; [Cali]: CIAT, 1992. p. 439-449.Biblioteca(s): Embrapa Cerrados. |
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16. |  | LEITE, G. G.; SPAIN, J. M.; VILELA, L.; GOMIDE, C. C. C.; ROCHA, C. M. C. da. Efeito de sistemas de pastejo sobre a produtividade de pastagens consorciadas nos cerrados do Brasil. In: REUNION SABANAS, 1., 1992, Brasilia, DF. Red Internacional de Evaluacion de Pastos Tropicales - RIEPT. Brasilia: EMBRAPA-CPAC / [Cali]: CIAT, 1992. p.539-545.Biblioteca(s): Embrapa Cerrados. |
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17. |  | CARVALHO, E. F.; CADISCH, G.; SUHET, A. R.; VILELA, L.; SOARES, W. V.; LEITE, G. G.; SPAIN, J. M.; BODDEY, R. M.; GILLER, K. E.; URQUIAGA, S. Ciclagem do nitrogenio em pastagens de graminea pura e consorciada com leguminosas num solo de cerrado. In: REUNION SABANAS, 1., 1992, Brasilia, DF. Red Internacional de Evaluacion de Pastos Tropicales - RIEPT. Brasilia: EMBRAPA-CPAC / [Cali]: CIAT, 1992. p.451-453.Biblioteca(s): Embrapa Cerrados. |
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