Decreased Virus-Neutralizing Antibodies Against Equine Herpesvirus type 1 In Nasal Secretions of Horses After 12-hour Transportation

نویسندگان

چکیده

This study evaluated the effects of 12-hour transportation on immune responses to equine herpesvirus type 1 (EHV-1) and 4 (EHV-4). Possible replication EHV-1 EHV-4 was monitored by real-time PCR nasal swabs peripheral blood mononuclear cells (PBMCs), changes in systemic mucosal antibodies were investigated. Six healthy Thoroughbreds with transport experience transported commercial trucks, repeating same three-hour route four times. Blood samples for cortisol measurement taken before departure every three hours. Nasal swabs, PBMCs, wash serum collected departure, at unloading, two six days after arrival. Cortisol concentration increased significantly hours (P < 0.05), confirming acute stress. However, no evidence viral or lytic infection observed, virus neutralization (VN) titers unchanged, except one horse that showed a four-fold decrease titer against transportation. Urea total IgA washes while IgA/protein ratio unchanged. A transient, ≥4-fold VN concentrates observed out horses (geometric mean declined from 202 57, P suggesting suppression capacity mucosa may contribute susceptibility secretion not detected any timepoint.

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ژورنال

عنوان ژورنال: Journal of Equine Veterinary Science

سال: 2021

ISSN: ['1542-7412', '0737-0806']

DOI: https://doi.org/10.1016/j.jevs.2021.103665