Pepper as a phytogenic additive in finishing lambs diets

Pepper as a phytogenic additive in finishing lambs diets

ABSTRACT The objective of this study was to evaluate the effect of a phytogenic additive on nutrient intake, diet digestibility, nitrogen balance, and ruminal parameters of lambs. Four lambs with an average body weight of 27.6 ± 2.9 kg were distributed in a 4 × 4 Latin square design and fed a basal...

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Main Authors: Suellem Fernanda Pedrosa Zanin, Luiz Juliano Valério Geron, Alexandre Lima de Souza, Fagton de Mattos Negrão, André Gustavo Leão, Anderson de Moura Zanine, Daniele de Jesus Ferreira, Jocilaine Garcia, Nelcino Francisco de Paula, Luciano da Silva Cabral
Format: Article
Language:English
Published: Universidade Federal da Bahia 2025-02-01
Series:Revista Brasileira de Saúde e Produção Animal
Subjects:
capsaicin
digestibility
intake
nitrogen balance
ruminal parameters
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-99402025000100300&lng=en&tlng=en
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Summary:ABSTRACT The objective of this study was to evaluate the effect of a phytogenic additive on nutrient intake, diet digestibility, nitrogen balance, and ruminal parameters of lambs. Four lambs with an average body weight of 27.6 ± 2.9 kg were distributed in a 4 × 4 Latin square design and fed a basal diet composed of 600 g DM/day of corn silage and 400 g DM/day of concentrate. The basal diet was supplemented with no additive 0.0, 2.0, 4.0, and 6.0 g/kg DM of pepper. The intake of DM, crude protein (CP), organic matter (OM), and neutral detergent fiber (NDF) in g/day decreased linearly (P < 0.05). No effects (P > 0.05) were observed for the apparent digestibility of DM, OM, NDF, and ether extract. There was a quadratic effect (P < 0.05) on the digestibility of CP and non-fibrous carbohydrate, with maximum digestibility estimated at 707.7 and 924.8 (g/kg DM) at levels of 2.55 and 0.27 g/kg DM of pepper, respectively. There was no effect (P > 0.05) on urinary nitrogen and retention nitrogen. Increasing levels of pepper did not alter (P > 0.05) the pH value and N-NH3 concentration of the ruminal fluid. However, there was an effect (P < 0.05) of time on the pH and N-NH3 value of the rumen. The inclusion of pepper in the diet of confined lambs negatively alters dry matter and NDF intake without impairing nutrient digestibility, nitrogen utilization, and other ruminal parameters.
ISSN:1519-9940

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