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Zootechnic and economic indicators of terminationin feedlotof different genetic groups of lambs

Cartaxo, Felipe Queiroga; Sousa, Wandrick Hauss de; Cezar, Marcílio Fontes; Ramos, João Paulo de Farias; Cavalcante, Iara Tamires Rodrigues; Cunha, Maria das Graças Gomes; Gomes, Josimar Torres; Leite, Mauricio Luiz de Mello Vieira.
Acta Sci. Anim. Sci.; 43: e51098, ago. 2021. tab
Artigo em Inglês | VETINDEX | ID: vti-32245

Resumo

The objective of this work was to evaluate the performance, carcass traitsand economic indicators of Santa Inês lambs and their crossings finished in feedlot. Thirty whole lambs (10 Santa Inês, 10 ½ Dorper + ½ Santa Inês and 10 ¾ Dorper + » Santa Inês) were used, with 115 days of age and initial live weight of 20.07 kg. The lambs were kept for 60 days receiving sorghum silage and concentrate, after which they were slaughtered. The ¾ Dorper + » Santa Inês lambs and the ½ Dorper + ½ Santa Inês lambs showed higher of dry matter intake and waterintake, greater daily weight gain andbody score in relation to Santa Inês lambs. The carcasses of ¾ Dorper + » Santa Inês lambs showedbetter conformation, finishing and marbling. The gross profit margin showed positive values for all genetic groups, covering the effective operating cost. Dorper crossbred lambs had a higher gross margin compared to Santa Inês lambs. The cost of the diet represented on average 61.35% of the price paid per kilo of sheep meat. In the sheep meat production system, the genetic group influences the zootechnical andeconomic indicators of finishing feedlotof lambs.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1