Effects of various levels of coated cysteamine hydrochloride in the diet on feed intake, digestibility, ruminal fermentation, and blood metabolites in growing Charolais crossbred cattle.
Anim Sci J
; 95(1): e13997, 2024.
Article
em En
| MEDLINE
| ID: mdl-39362838
ABSTRACT
This study investigated the impact of different levels of coated cysteamine hydrochloride (CSH) supplementation on ruminal fermentation, nutrient digestibility, and blood metabolites in Charolais cross bulls. Twelve bulls were allotted to three feeding treatments in a replicated 3 × 3 Latin square design:
0% CSH (control), 0.5% CSH, and 1.0% CSH in concentrate. Animals were fed concentrate at 1.5% of body weight. Dry matter intake (DMI) and DMI as a percentage of body weight showed no significant differences among treatments (p > 0.10). Nutrient digestibility was consistent across treatments, except for a slight decrease in NDF digestibility with 1% CSH (p = 0.07). Ruminal pH, ammonia nitrogen, volatile fatty acid (VFA) proportions, and total VFA concentration were similar among treatments (p > 0.05). Total bacteria, fungal zoospores, and protozoa populations in the rumen did not vary significantly (p > 0.05). Blood glucose and triglyceride concentrations remained stable (p > 0.05), while blood urea nitrogen (BUN) levels were higher in CSH-supplemented groups (p < 0.05). In conclusion, incorporating CSH levels ranging from 0.5% to 1.0% into the diet did not adversely affect feed intake, ruminal fermentation, or microbial populations. Additionally, 1.0% CSH improved BUN concentration in growing Charolais cross bulls.Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Rúmen
/
Nitrogênio da Ureia Sanguínea
/
Suplementos Nutricionais
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Cisteamina
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Dieta
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Digestão
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Ingestão de Alimentos
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Fermentação
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Ração Animal
Limite:
Animals
Idioma:
En
Revista:
Anim Sci J
/
Anim. sci. j
/
Animal science journal
Assunto da revista:
MEDICINA VETERINARIA
Ano de publicação:
2024
Tipo de documento:
Article
País de afiliação:
Tailândia
País de publicação:
Austrália