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OJVRTM
Online Journal of Veterinary Research©
Serum carotenoids in Arbor acre and Ross 308 broilers
infected with coccidia (Eimeria spp.)
Shojaei SShR
DVM PhD1, Hajikhani R DVM PhD2,
Malekan M DVM DVSc3, Anooshepour
A DVM4
1Department(s)
of Pathobiology, 22Basic sciences, 3,4Faculty of
Veterinary Medicine, Islamic Azad University, Karaj Branch, Karaj-Iran.
ABSTRACT
Shojaei SR, Hajikhani R, Malekan
M, Anooshepour A., Serum carotenoids in Arbor acre and Ross 308 broilers infected by coccidia (Eimeria spp.), Onl J Vet Res., 25 (5): 354-358, 2021. Groups of 4 Arbor-Acres
challenge (Ach)
and Ross 308 challenge (Rch) cockerels were crop inoculated 100µl sporulated
oocysts of Eimeria acervulina,
E. maxima, E. necatrix and E. tenella. Four healthy broilers were used as controls. Blood
samples were collected on day 3, 5 and 6 after challenge. Serum carotenoids
were measured by n-hexane method. Compared with controls, serum
carotenoids declined 24-38% in Arbor but 34 to 63% in Ross (P < 0.01) Eimeria infested broilers.
However we found no significant differences at Day 3. Our findings
suggests that Ross broilers are more susceptible to Carotenoid/Vitamin A
deficiency than Arbor Acre breed when infested by Eimeria oocysts.
Key words: Carotenoid,
broiler, coccidiosis, Arbor-Acres, Ross 308 breed.
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