| Revista: | Revista Brasileira de Zootecnia |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000420822 |
| ISSN: | 1516-3598 |
| Autores: | Costa, Roberto Germano1 Lima, Anny Graycy Vasconcelos de Oliveira2 Ribeiro, Neila Lidiany3 Medeiros, Ariosvaldo Nunes de2 Medeiros, Geovergue Rodrigues de3 Gonzaga Neto, Severino2 Oliveira, Ronaldo Lopes4 |
| Instituciones: | 1Universidade Federal da Paraiba, Departamento de Ciencia Animal, Bananeiras, Paraiba. Brasil 2Universidade Federal da Paraiba, Departamento de Zootecnia, Areia, Paraiba. Brasil 3Ministerio da Ciencia e Tecnologia, Instituto Nacional do Semiarido, Campina Grande, Paraiba. Brasil 4Universidade Federal da Bahia, Escola de Medicina Veterinaria e Zootecnia, Salvador, Bahia. Brasil |
| Año: | 2020 |
| Volumen: | 49 |
| País: | Brasil |
| Idioma: | Inglés |
| Tipo de documento: | Ensayo |
| Enfoque: | Experimental, analítico |
| Resumen en inglés | The objective of this work was to use biometric measurements to predict carcass characteristics of lambs of the Morada Nova breed. We used 48 lambs with mean initial body weight (BW) of 15.0±0.04 kg and slaughter body weight (SBW) of 26.37±2.43 kg. The animals were weighed weekly and underwent a period of adaptation of 15 days before slaughter. The biometric measurements were obtained the day before slaughter, comprising body length, withers height, rump height, thigh length, breast width, rump width, thigh perimeter, rump perimeter, thorax perimeter, leg length, and body condition score. Additional measurements included slaughter BW and empty BW (EBW). The data recorded at slaughter comprised the weights of the viscera, carcass, and internal fat and offal. The in vivo measurements of body length were present in most of the equations for predicting the SBW, EBW, hot carcass weight (HCW), and cold carcass weight (CCW). The SBW and EBW presented a variation of approximately 9%. The variables that evaluated the carcass, HCW, and CCW demonstrated less data variation than SBW and EBW, which was probably because these measurements were obtained following evisceration and skinning, thus removing factors of more significant variation in vivo . The prediction models found in the present study varied with an R² of 0.49-0.93, indicating high levels of variation. In sum, biometric measurements can be used to predict the carcass characteristics of Morada Nova lambs with different body conditions |
| Disciplinas: | Medicina veterinaria y zootecnia |
| Palabras clave: | Ovinos y caprinos, Zootecnia, Corderos, Biometría, Calidad de la canal, Modelos, Brasil |
| Keyword: | Sheep and goats, Animal husbandry, Lambs, Biometry, Carcass quality, Models, Brazil |
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