Carcass traits and meat characteristics of grazing Nellore cattle submitted to different supplementation strategies in the tropics

Carcass traits and meat characteristics of grazing Nellore cattle submitted to different supplementation strategies in the tropics

This study explored the effects of different supplementation strategies during the dry and rainy seasons in the tropics on the carcass traits and meat quality of Nellore cattle produced under grazing conditions. Additionally, a cost assessment of the supplementation strategies was conducted to defin...

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Bibliographic Details
Published in:Tropical animal health and production Vol. 54; no. 6; p. 362
Main Authors: Ramos, Jenifer Maira Lima, Vargas, Julián Andrés Castillo, Diniz, Evellyn Aryane Lopes, Lacerda, Natália Gomes, Mezzomo, Rafael, Alves, Kaliandra Souza, Oliveira, Luis Rennan Sampaio, de Loureiro, João Paulo Borges, da Silva, Poliana Ramos, Gomes, Daiany Iris
Format: Journal Article
Language:English
Published: Dordrecht Springer Netherlands 01-12-2022
Springer Nature B.V
Subjects:
Animals
Beef cattle
Biomedical and Life Sciences
Body Composition
Body weight
Carcasses
Cattle
Chemical composition
Dietary Supplements - analysis
Dry season
Grazing
Life Sciences
Male
Meat
Meat quality
Minerals
Moisture effects
Physical growth
Production costs
Protein composition
Rainy season
Regular Articles
Seasons
Shear forces
Supplements
Tandem Mass Spectrometry - veterinary
Tropical environments
Veterinary Medicine/Veterinary Science
Zoology
Carcass evaluation
Tropical ecosystem
Cattle production
Meat quality
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Summary:This study explored the effects of different supplementation strategies during the dry and rainy seasons in the tropics on the carcass traits and meat quality of Nellore cattle produced under grazing conditions. Additionally, a cost assessment of the supplementation strategies was conducted to define the most suitable ones from an economic standpoint. Twenty-eight non-castrated male animals (18 months) with an initial body weight of 327.9 ± 4.2 kg were used. The animals were equitably distributed in a randomized complete design thorough four supplementation strategies as follows: (i) mineral supplementation (MS) in both dry and rainy seasons (MS/MS), (ii) MS during the dry season and concentrate supplementation (CS) during the rainy season (MS/CS), (iii) CS during the dry season and MS during the rainy season (CS/MS), and (iv) CS in both dry and rainy seasons (CS/CS). Thereafter, carcass traits, primary carcass cut yields, meat quality traits, and chemical composition of the meat of cattle produced across different supplementation strategies were determined. Data revealed that animals under CS/CS showed the greatest ( P  < 0.01) hot carcass weights among the other supplementation strategies evaluated. Conversely, supplementation strategy did not affect ( P  > 0.10) the carcass traits (the ribeye area, final pH, and forequarter), meat quality traits (shear force, myofibrillar fragment index, sarcomere length, and color), and meat chemical composition (crude protein, fat, and moisture) of the animals. A cost assessment of the supplementation strategies revealed that CS/CS had the highest production costs. Nevertheless, CS/CS had the greatest income and profit, while MS/MS had the lowest ones. In conclusion, data suggest that cattle grazing on tropical forage under CS during at least one season (i.e., dry or rainy) produce similar meat quality traits and chemical composition of meat to those observed for animals under CS in both seasons. Additionally, the last supplementation strategy revealed the greatest profit indicators among the other explored.
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ISSN:0049-4747
1573-7438
DOI:10.1007/s11250-022-03362-w