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Related Experiment Videos

Preweaning mortality in pigs. 7. Polyarthritis.

N C Nielsen, N Bille, J L Larsen

    Nordisk Veterinaermedicin
    |November 1, 1975
    PubMed
    Summary

    Polyarthritis in piglets causes significant losses, with haemolytic streptococci being the primary bacterial culprit. Management practices like avoiding new breeding stock and specific procedures can reduce incidence.

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    Area of Science:

    • Veterinary Medicine
    • Animal Pathology
    • Swine Production

    Background:

    • Polyarthritis poses a significant economic threat to swine production.
    • Understanding the incidence and causative agents of polyarthritis in sucking pigs is crucial for effective disease management.

    Purpose of the Study:

    • To investigate the incidence, risk factors, and causative agents of polyarthritis in sucking pigs.
    • To provide insights into the epidemiology and pathogenesis of polyarthritis in swine herds.

    Main Methods:

    • A 2-year study involving 2,936 litters to assess polyarthritis morbidity and mortality rates.
    • Analysis of pathological lesions, concomitant diseases, and bacteriological examinations of affected pigs.
    • Evaluation of various potential risk factors, including gilt progeny, piglet procedures, and sow management.

    Main Results:

    • Average morbidity and mortality rates for polyarthritis were 3.3% and 1.5%, respectively.
    • Haemolytic streptococci were the dominant causative agent, identified in most cases.
    • Factors such as gilt progeny, teeth clipping, tail docking, and skin diseases increased polyarthritis frequency.

    Conclusions:

    • Polyarthritis is a notable cause of mortality in sucking pigs, frequently associated with meningoencephalitis.
    • Strategic management interventions targeting identified risk factors and bacterial causes are essential for loss mitigation.

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