The immunoglobulin G (IgG) antibody is important for detecting and evaluating immune responses. Despite increasing opportunities for tigers to be exposed to emerging diseases due to global changes coupled with increasing interaction with humans, there is no available antibody specific to tigers. Aims of this study were to produce a rabbit anti-Bengal tiger (Panthera tigris tigris) IgG polyclonal antibody and to determine its specificity. The molecular weight of the purified Bengal tiger IgG was approximately 170 kDa. The cross-reactivity of rabbit anti-Bengal tiger IgG to IgG of other wild felid species and other domestic animals was analyzed by indirect enzyme-linked immunosorbent assay. The cross reactivity to other related wild animals ranged from 53.69% to 75.63%. There was high crossreactivity with domestic cats (63.58%) and pigs (38.45%) and low cross-reactivity with domestic cows (10.46%), goats (8.60%), sheep (7.25%), and chickens (6.91%). To confirm cross-reactivity with domestic animals' IgG, western blotting was performed. These results indicated that the purified rabbit anti-Bengal tiger IgG polyclonal antibody strongly reacted with species in the family Felidae. The polyclonal antibody generated in this study has the potential to aid in the development of useful tools for further novel immunological investigations on tigers and related felid species.
A retrospective study was used to investigate the prevalence, mortality rate, treatment outcomes, risk factors for death, and accompanying costs for canine pyometra cases reported in 2016 to 2018 from a single vet teaching hospital in Thailand. The prevalence of canine pyometra was 375 cases from 35,138 of canine outpatients (1.07%) with 348 cases undergoing surgery at the hospital. Mongrel dogs were most affected (37.33%) followed by Poodles (14.67%) and Shih Tzus (12.27%). The median age of pyometra cases was 7 years (range of 11 months to 16 years). The mortality rate was 10.63 % (37/ 348 dogs). Mortalities occurred in 3 dogs prior to surgery. Post-operative mortalities were reported in 24 dogs, and 10 dogs with undefined time periods. The main contributing mortality factor was uterine rupture (adjusted OR 7.38 (95% CI =2.73,19.93)). The cost of hospital treatment per case ranged between 93 to 939 United States Dollars. Surgical ovariohysterectomy is an effective treatment and preventative procedure for pyometra. Comprehensive and careful pre-operative and sufficient post-operative planning is recommended to improve treatment outcomes.
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