Forage cactus as an additive in corn without the cob silages of feedlot sheep diets.
2024
SOBRAL, G. DE C. | OLIVEIRA, J. S. DE | SANTOS, E. M. | ARAUJO, G. G. L. DE | SANTOS, F. N. DE S. | MEDEIROS, G. R. | SOUZA, E. J. O. DE | VIEIRA, D. DE S. | LEITE, G. M. | COELHO, S. D. F. O. | SANTANA, L. P. | GOMES, P. G. B. | TORRES JÚNIOR, P. DA C. | SANTOS, M. A. C. | VIANA, N. B. | GILBERTO DE CARVALHO SOBRAL, UNIVERSIDADE FEDERAL DA PARAÍBA | JULIANA SILVA DE OLIVEIRA, UNIVERSIDADE FEDERAL DA PARAÍBA | EDSON MAURO SANTOS, UNIVERSIDADE FEDERAL DA PARAÍBA | GHERMAN GARCIA LEAL DE ARAUJO, CPATSA | FRANCISCO NAYSSON DE SOUSA SANTOS, UNIVERSIDADE FEDERAL DO MARANHÃO | GEOVERGUE RODRIGUES MEDEIROS, INSTITUTO NACIONAL DO SEMIÁRIDO | EVARISTO JORGE OLIVEIRA DE SOUZA, UNIVERSIDADE FEDERAL RURAL DE PERNAMBUCO | DIEGO DE SOUSA VIEIRA, UNIVERSIDADE FEDERAL DA PARAÍBA | GUILHERME MEDEIROS LEITE, UNIVERSIDADE FEDERAL DA PARAÍBA | DIEGO FRANCISCO OLIVEIRA COELHO, UNIVERSIDADE FEDERAL DA PARAÍBA | LILIANE PEREIRA SANTANA, UNIVERSIDADE FEDERAL RURAL DE PERNAMBUCO | PALOMA GABRIELA BATISTA GOMES, UNIVERSIDADE FEDERAL DA PARAÍBA | PAULO DA CUNHA TORRES JÚNIOR, UNIVERSIDADE FEDERAL DA PARAÍBA | MARIA ALYNE COUTINHO SANTOS, UNIVERSIDADE FEDERAL DA PARAÍBA | NELQUIDES BRAZ VIANA, UNIVERSIDADE FEDERAL DA PARAÍBA.
This study aimed to assess the impact of adding forage cactus as an additive to the production of corn silage without the cob on the performance of feedlot sheep and subsequent silage losses. The experimental design was completely randomized, consisting of three treatments: corn silage without cob; 0% = 100% corn plant without the cob; 10% = 90% corn plant without cob + 10% forage cactus; 20% = 80% corn plant without cob + 20% forage cactus. Significant effects were observed for dry matter intake (P = 0.0201), organic matter (P = 0.0152), ether extract (P = 0.0001), non-fiber carbohydrates (P = 0.0007). Notably, nutrient digestibility showed significant differences in organic matter (P = 0.0187), ether extract (P = 0.0095), neutral detergent fiber (P = 0.0005), non-fiber carbohydrates (P = 0.0001), and metabolizable energy (P = 0.0001). Performance variables, including total weight gain (P = 0.0148), average daily weight gain (P = 0.0148), feeding efficiency, and rumination efficiency of dry matter (P = 0.0113), also exhibited significant effects. Consequently, it is recommended to include 20% forage cactus in corn silage, which, based on natural matter, helps meet animals’ water needs through feed. This inclusion is especially vital in semi-arid regions and aids in reducing silage losses during post-opening silo disposal.
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