High-concentrate diets with fibrous by-products for feedlot Nellore heifers
| Autor: | ERIC H.C.B. VAN CLEEF, PRISCILA S.N. DE OLIVEIRA, ROSEMARY LAÍS GALATI, DANIEL S. FERREIRA, VIVIANE C. SANTOS, ANTÔNIO CARLOS HOMEM JUNIOR, SERGIO ANTÔNIO G. PEREIRA JUNIOR, RENÉ MAURICIO P. PARDO, JANE MARIA B. EZEQUIEL |
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| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: | |
| Zdroj: | Anais da Academia Brasileira de Ciências, Vol 93, Iss 3 (2021) |
| Druh dokumentu: | article |
| ISSN: | 1678-2690 0001-3765 |
| DOI: | 10.1590/0001-3765202120190731 |
| Popis: | Abstract The objective of this study was to evaluate high-concentrate diets and two energy sources on intake, performance and meat quality parameters of feedlot Nellore heifers. Twenty-eight heifers (200 ± 22.5 kg BW) were randomly assigned to four treatments in a 2×2 factorial arrangement: two concentrate levels (70 and 80%) and two energy sources (corn and corn germ meal). At the end of day 112, heifers were slaughtered. There was no interaction (P>0.05) of concentrate levels and energy sources for dry matter intake, unlike crude protein (CP) and neutral detergent fiber (NDF) intakes. The concentrate level of 80% and corn, allowed the highest CP (1.17 kg/day) and NDF (4.05 kg/day) intakes. Final BW (P |
| Databáze: | Directory of Open Access Journals |
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