Effect of Ovar‐ DRA and Ovar‐ DRB 1 genotype in small ruminants with haemonchosis
نویسندگان
چکیده
منابع مشابه
Serodiagnosis of Haemonchosis in Small Ruminants
In the present study an attempt was made to find out the incidence of haemonchosis in ovine and caprine through the DID and IHA tests. The results of the study showed higher incidence in sheep (72.5%) than goats (56%).The age wise incidence in sheep was recorded as 79.16% between 1 to 3 years of age whereas in case of goat it was 70.3% in the same age group. In sheep 16.7% animals suffered from...
متن کامل'Ovar-Mhc' - ovine major histocompatibility complex: structure and gene polymorphisms.
The major histocompatibility complex (MHC) in sheep, Ovar-Mhc, is poorly characterised, when compared to other domestic animals. However, its basic structure is similar to that of other mammals, comprising class I, II and III regions. Currently, there is evidence for the existence of four class I loci. The class II region is better characterised, with evidence of one DRA, four DRB (one coding a...
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Several studies have focused on polymorphisms of major histocompatibility complex (MHC) in sheep, Ovar-MHC. This molecule plays a pivotal role in antigen presentation for eliciting immune responses against invading pathogens. The best-characterized genetic control of disease resistance and immune response in animals is associated with MHC. Numerous molecular genetic investigations have been und...
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Exon 2 sequences of an expressed MHC-DRB locus from sheep were examined for polymorphisms in both the antigen-binding regions and the adjacent intronic mixed simple tandem repeat. Twenty-one novel exon 2 Ovar-DRB alleles were identified. Short nucleotide motifs are extensively shared between certain exon 2 regions of Ovar-DRB alleles. The simple repeat variations, the number of different amino ...
متن کاملGeometrical considerations on canal-otolith interactions during OVAR and Bayesian modelling.
During constant-velocity rotation about a tilted axis (OVAR), the VOR and the rotation perception last indefinitely, but show a striking dependency on tilt angle. We show that, during OVAR, a variety of motions can account for the head motion relative to gravity. Some of these are in conflict with canal signals, but correspond to a lower angular velocity; we suggest that the brain performs a tr...
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ژورنال
عنوان ژورنال: Parasite Immunology
سال: 2018
ISSN: 0141-9838,1365-3024
DOI: 10.1111/pim.12534