Veterinary medicine and science · 2026
Occurrence and Risk Factors of Toxoplasma gondii Infection in Tigers (Panthera tigris) in Thailand: Influence of Age and Sex.
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Prompiram Phirom, Mongkolphan Chalisa, Saechin Aeknarin, Tangsudjai Siriporn, Poltep Kanaporn
Аннотация
BACKGROUND: Toxoplasma gondii is a zoonotic protozoan parasite of significant concern in both public and animal health.
OBJECTIVES: This study investigated the occurrence of T. gondii in 135 captive tigers (Panthera tigris) across seven tiger parks in Thailand. Tiger parks, as theme-based wildlife attractions, are high-risk venues for zoonotic disease transmission due to the close contact between humans and captive wild animals.
METHODS: The presence of T. gondii specific antibodies was determined using a latex agglutination test.
RESULTS: Serological analysis revealed that 42.96% (58/135; 95% CI: 34.48-51.76) of the tigers tested positive for T. gondii antibodies. Females exhibited a significantly higher occurrence of 51.43% (36/70; 39.17-63.56) compared to males at 33.85% (22/65; 22.57-46.65) (p = 0.039). Ordinal logistic regression model was applied to assess the influence of sex and age on T. gondii-specific antibodies. The results demonstrated that both sex and age were significantly associated with the level of antibodies. Female tigers exhibited a significantly higher likelihood of seropositive titre (OR = 20.13, p = 0.026), and the probability of titre increased with age (OR = 1.91, p = 0.001).
CONCLUSIONS: These findings highlight the potential risk of T. gondii transmission in captive tiger populations and emphasize the importance of regular surveillance and improved management practices in reducing zoonotic transmission.
OBJECTIVES: This study investigated the occurrence of T. gondii in 135 captive tigers (Panthera tigris) across seven tiger parks in Thailand. Tiger parks, as theme-based wildlife attractions, are high-risk venues for zoonotic disease transmission due to the close contact between humans and captive wild animals.
METHODS: The presence of T. gondii specific antibodies was determined using a latex agglutination test.
RESULTS: Serological analysis revealed that 42.96% (58/135; 95% CI: 34.48-51.76) of the tigers tested positive for T. gondii antibodies. Females exhibited a significantly higher occurrence of 51.43% (36/70; 39.17-63.56) compared to males at 33.85% (22/65; 22.57-46.65) (p = 0.039). Ordinal logistic regression model was applied to assess the influence of sex and age on T. gondii-specific antibodies. The results demonstrated that both sex and age were significantly associated with the level of antibodies. Female tigers exhibited a significantly higher likelihood of seropositive titre (OR = 20.13, p = 0.026), and the probability of titre increased with age (OR = 1.91, p = 0.001).
CONCLUSIONS: These findings highlight the potential risk of T. gondii transmission in captive tiger populations and emphasize the importance of regular surveillance and improved management practices in reducing zoonotic transmission.