What does this research mean for the field?

Cysticercus tenuicollis infects approximately 12.1% of chamois in Germany, with infection prevalence increasing significantly with host age but showing no association with sex. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the prevalence, intensity, and demographic predictors of Cysticercus tenuicollis (Taenia hydatigena larvae) infection in wild chamois in Germany.

September 8, 2026Veterinary SciencesOpen Access

Cysticercus tenuicollis in Chamois (Rupicapra r. rupicapra) in Germany: Historical Baseline Data, with a Compilation of Records of Taeniid Metacestode Infections in Chamois Throughout Their Range

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Authors

DHDietmar HamelBoehringer Ingelheim (Germany)SRSteffen RehbeinBoehringer Ingelheim (Germany)

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Implication

Retrospective study reveals an age-dependent prevalence of Cysticercus tenuicollis in chamois, highlighting the transmission of Taenia hydatigena among mountain carnivores.

Key Points

To evaluate the prevalence, intensity, and demographic predictors of Cysticercus tenuicollis (Taenia hydatigena larvae) infection in wild chamois in Germany.
Retrospectively analyzed post-mortem examination records of wild chamois (Rupicapra r. rupicapra, N=223) collected between 2004 and 2006 in Germany.
Evaluated larval cyst burdens and localization in abdominal organs across host sex and age categories (kids, >1-to-3-year-olds, and ≥4-year-olds).
Cysticercus tenuicollis occurred in 12.1% (27/223; 95% CI 8.3–16.9%) of chamois, with low parasite burdens (1 to 3 cysts) exclusively adhering to abdominal organs such as the mesenteries and omentum.
Infection prevalence increased significantly with age (0% in kids [0/43], 5.0% in >1-to-3-year-olds [5/100], and 27.5% in ≥4-year-olds [22/80]; p < 0.0001), accompanied by higher mean cyst counts in animals ≥4 years old (0.39 ± 0.74 vs. 0.06 ± 0.28; p < 0.0001).
Host sex was not a significant risk factor for infection among chamois older than one year (16.2% in males vs. 13.4% in females).

Cite This Study

Hamel et al. (2026) studied this question.

synapsesocial.com/papers/6a9fd81458e84d0ff5b4744e https://doi.org/10.3390/vetsci13090920

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Implication

Retrospective study reveals an age-dependent prevalence of Cysticercus tenuicollis in chamois, highlighting the transmission of Taenia hydatigena among mountain carnivores.

Cysticercus tenuicollis in Chamois (Rupicapra r. rupicapra) in Germany: Historical Baseline Data, with a Compilation of Records of Taeniid Metacestode Infections in Chamois Throughout Their Range

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Cite This Study

Cysticercus tenuicollis in Chamois (Rupicapra r. rupicapra) in Germany: Historical Baseline Data, with a Compilation of Records of Taeniid Metacestode Infections in Chamois Throughout Their Range

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