Bovines might ingest large quantities of carotenoids in the diet. Not all the ingested and absorbed
ß-carotene is transformed into vitamin A, the surplus is mainly deposited in the adipose tissue; with
the aim of study the expression of β,β-carotene 15,15’oxygenase in the duodenal and hepatic tissues
of animals with or without yellow fat, in situ hybridization was performed. Sense and antisense 744
bases RNA digoxigenin labeled probes were used. Results showed expression in epithelial cells of
crypts and villi on duodenum. Apparent differences were found in duodenum between pigmented
and non-pigmented animals. However, in the case of the liver large differences were found.
CITATIONS(1):
1.
Carotenoids for ruminants: From forages to dairy products P. Nozière, B. Graulet, A. Lucas, B. Martin, P. Grolier, M. Doreau Animal Feed Science and Technology
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