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OJVRTM

 Online Journal of Veterinary Research 

 Volume 25 (5): 354-358, 2021.


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 100l 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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