Diets Composed of Tifton 85 Grass Hay ( Cynodon sp.) and Concentrate on the Quantitative and Qualitative Traits of Carcass and Meat from Lambs

Yohana Corrêa, Edson Santos, Juliana Oliveira, Gleidson Carvalho, Luís Pinto, Danillo Pereira, Dallyson Assis, Gabriel Cruz, Natalia Panosso, Alexandre Perazzo, Guilherme Leite, Paulo Azevedo, Anny Lima, Daniele Ferreira, Fagton Negrão and Anderson Zanine
Additional contact information
Yohana Corrêa: Department of Animal Science, Federal University of Paraíba, Areia 58397000, Brazil
Edson Santos: Department of Animal Science, Federal University of Paraíba, Areia 58397000, Brazil
Juliana Oliveira: Department of Animal Science, Federal University of Paraíba, Areia 58397000, Brazil
Gleidson Carvalho: Department of Animal Science, Federal University of Bahia, Salvador 40170110, Brazil
Luís Pinto: Department of Animal Science, Federal University of Bahia, Salvador 40170110, Brazil
Danillo Pereira: Department of Animal Science, Federal University of Paraíba, Areia 58397000, Brazil
Dallyson Assis: Department of Animal Science, Federal University of Bahia, Salvador 40170110, Brazil
Gabriel Cruz: Department of Animal Science, Federal University of Viçosa, Viçosa 36570900, Brazil
Natalia Panosso: Department of Animal Science, Federal University of Paraíba, Areia 58397000, Brazil
Alexandre Perazzo: Department of Animal Science, Federal University of Maranhão, Chapadinha 65500000, Brazil
Guilherme Leite: Department of Animal Science, Federal University of Paraíba, Areia 58397000, Brazil
Paulo Azevedo: Department of Animal Science, Federal University of Paraíba, Areia 58397000, Brazil
Anny Lima: Department of Animal Science, Federal University of Maranhão, Chapadinha 65500000, Brazil
Daniele Ferreira: Department of Animal Science, Federal University of Maranhão, Chapadinha 65500000, Brazil
Fagton Negrão: Department of Animal Science, Federal Institute of Education, Science and Technology Rondônia, Colorado do Oeste 76993000, Brazil
Anderson Zanine: Department of Animal Science, Federal University of Maranhão, Chapadinha 65500000, Brazil

Agriculture, 2022, vol. 12, issue 6, 1-13

Abstract: The high intake of fermentable carbohydrates may cause nutritional disorders and negatively affect animal performance. Thus, the research study aimed to determine the better roughage:concentrate ratio to improve the carcass traits and physicochemical quality of meat from feedlot-finished Santa Ines lambs. Diets were composed of Tifton 85 grass hay ( Cynodon sp.) and concentrate (soybean meal, corn meal, urea, and mineral mixture) and consisted of five roughage:concentrate ratios of 88:12 (C12), 69:31 (C31), 50:50 (C50), 31:69 (C69), and 12:88 (C88). After 63 days the animals were slaughtered and carcass traits, the yield of commercial cuts, and physicochemical properties of meat were evaluated. The higher percentage of concentrate on roughage provided higher DM intake, better feed conversion, higher conformation, finishing, and carcass yield that resulted in heavier commercial cuts with higher fat content in the meat. The addition of 50% concentrate to the roughage improved the carcass traits, commercial cuts, and physicochemical parameters of the meat in a similar way to the diet with 88% concentrate, but with leaner meats, meeting the demands of the current consumer market.

Keywords: carcass yield; commercial cuts; low cost; neutral detergent fiber; non-fiber carbohydrate (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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