Performance, carcass, and meat traits of locally adapted Brazilian cattle breeds under feedlot conditions

Little is known about the performance, carcass, and meat traits of locally adapted cattle in Brazil. This study aimed to compare the growth, slaughter, and carcass traits as well as meat quality of two local breeds (Curraleiro Pé-Duro and Pantaneiro) with the Nelore breed. Fifteen 30-month-old steer...

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Bibliographic Details
Published in:	Tropical animal health and production Vol. 55; no. 4; p. 243
Main Authors:	de Carvalho Porto Barbosa, Maíra, Fioravanti, Maria Clorinda Soares, Peripolli, Vanessa, do Egito, Andrea Alves, Juliano, Raquel Soares, Ramos, Alexandre Floriani, Cardoso, Daniela, Laudares, Kamilla Malta, Feijó, Gelson Luis Dias, Prado, Cristiano Sales, Júnior, Romário Gonçalves Vaz, de Oliveira, Neryssa Alencar, de Paula Rezende, Pedro Leonardo, Restle, João, Costa, Gustavo Lage, Costa, Marcos Fernando Oliveira e, McManus, Concepta
Format:	Journal Article
Language:	English
Published:	Dordrecht Springer Netherlands 01-08-2023 Springer Nature B.V
Subjects:	Animals Biomedical and Life Sciences Body Composition Brazil Carcasses Cattle Cattle - genetics Feedlots Life Sciences Meat Meat quality Multivariate analysis Muscle, Skeletal Muscles Phenotype Regular Articles Shear forces Slaughter Variance analysis Veterinary Medicine/Veterinary Science Weight Weight Gain Zoology Brazil Nelore Muscle Bone Curraleiro Pé-Duro Pantaneiro Tenderness
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Summary:	Little is known about the performance, carcass, and meat traits of locally adapted cattle in Brazil. This study aimed to compare the growth, slaughter, and carcass traits as well as meat quality of two local breeds (Curraleiro Pé-Duro and Pantaneiro) with the Nelore breed. Fifteen 30-month-old steers of each breed were weighted (Curraleiro Pé-Duro = 264.80 kg; Nelore = 346.80 kg; Pantaneiro = 316.20 kg) and raised in a feedlot condition for 112 days, with measurements to assess growth and slaughter, visual and carcass and meat traits. Data were submitted to variance and multivariate analyses. Nelore and Curraleiro Pé-Duro had similar Gluteus medius depths. Pantaneiro and Curraleiro Pé-Duro were superior for leg compactness index ( P < 0.05) and had higher eye muscle area than Nelore ( P < 0.05). Although there was no difference in daily weight gain and slaughter weight between breeds, Curraleiro Pé-Duro had a lower initial weight (264.80 kg) when compared to Nelore (346.80 kg; P < 0.05). Nelore and Curraleiro Pé-Duro deposited more fat than Pantaneiro ( P < 0.05), while Curraleiro Pé-Duro and Pantaneiro had more muscle than Nelore ( P < 0.05), which also had more bone and a higher percentage of second-quality cuts ( P < 0.05). Meat from Nelore also showed lower succulence than Pantaneiro ( P < 0.05) and higher shear force than the other breeds ( P < 0.05). Pantaneiro’s meat had the most capacity to retain water ( P < 0.05), lower shear force ( P < 0.05), and was more succulent ( P < 0.05) when compared to the other breeds. Multivariate analysis showed that Pantaneiro, Curraleiro Pé-Duro, and Nelore breeds can be considered distinct in growth, carcass, and meat traits, with the local breeds showing superior meat traits. The local breeds Curraleiro Pé-Duro and Pantaneiro presented characteristics similar or better to those of the Nelore, proving to be animals with great productive potential and generate high meat quality under feedlot conditions.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0049-4747 1573-7438
DOI:	10.1007/s11250-023-03656-7