Key result
Foot and mouth disease vaccination significantly altered seminal antioxidant, biochemical, and oxidative stress profiles in mithun bulls up to 10 weeks post-vaccination (P<0.05).
Why the study?
Does foot and mouth disease vaccination alter seminal antioxidant profiles and oxidative stress in breeding mithun bulls?
Observational (n=8)
No
Does foot and mouth disease vaccination alter seminal antioxidant profiles and oxidative stress in breeding mithun bulls?
p-value: p=<0.05
Foot and mouth disease vaccination induces temporary oxidative stress in mithun bull semen, suggesting semen collection should be suspended for 10 weeks post-vaccination.
Suggests caution for semen collection timing after FMD vaccination in mithun; leaves open fertility effects and applicability to other species.
Objective: To assess the deleterious effects of foot and mouth disease vaccination on antioxidant profiles as well as oxidative stress in the semen of breeding mithun bulls. Methods: A total of 160 semen samples were collected from 8 adult healthy mithun bulls with good body condition score (5-6), which were maintained at semen collection centre, ICAR-National Research Centre on Mithun, Medziphema, Nagaland, India, twice a week, 4 weeks before vaccination (pre-vaccination stage) and 12 weeks after vaccination (post-vaccination stage) to understand and know the influence of vaccine stress on seminal antioxidant as well as oxidative stress profiles in mithun. Vaccine was injected at the end of week 4 and semen samples were collected & analysed up to week 16 of the investigation period. Results: Data analysis showed that foot and mouth disease vaccination has significantly (P<0.05) altered the seminal antioxidant, biochemical and oxidative stress profiles up to week 10th of vaccine administration. However, the immunised bulls were recovered in physical health status, semen production and its antioxidant profiles gradually. Conclusions: The results of the present study suggest that the semen sample collection as well as preservation should to be suspended up to week 10th of post immunization to get antioxidant and biochemical profiles in normal level in the semen to preserve normal conception rate in artificial breeding programme by using such semen in mithun species.
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P. Perumal (2018) conducted an observational in Healthy breeding mithun bulls (n=8). Foot and mouth disease vaccination vs. Pre-vaccination baseline was evaluated on Seminal antioxidant, biochemical and oxidative stress profiles (p=<0.05). Foot and mouth disease vaccination significantly altered seminal antioxidant, biochemical, and oxidative stress profiles in mithun bulls up to 10 weeks post-vaccination (P<0.05).
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