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Animal ; 11(8): 1363-1371, 2017 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-28069088

RESUMO

Soil is the main matrix which contributes to the transfer of environmental pollutants to animals and consequently into the food chain. In the French West Indies, chlordecone, a very persistent organochlorine pesticide, has been widely used on banana growing areas and this process has resulted in a long-term pollution of the corresponding soils. Domestic outside-reared herbivores are exposed to involuntary soil intake, and tethered grazing commonly used in West Indian systems can potentially favour their exposure to chlordecone. Thus, it appears necessary to quantify to what extent grazing conditions will influence soil intake. This experiment consisted of a cross-over design with two daily herbage allowance (DHA) grazed alternatively. Six young Creole bulls were distributed into two groups (G1 and G2) according to their BW. The animals were individually tethered and grazed on a restrictive (RES) or non-restrictive (NRES) levels of DHA during two successive 10-days periods. Each bull progressed on a new circular area every day. The two contrasting levels of DHA (P0.05) due to the lower DMI of RES compared with NRES treatment.


Assuntos
Criação de Animais Domésticos/métodos , Bovinos/crescimento & desenvolvimento , Clordecona/análise , Comportamento Alimentar/fisiologia , Poluentes do Solo/análise , Solo/química , Animais , Estudos Cross-Over , Inseticidas/análise , Masculino , Clima Tropical , Índias Ocidentais
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