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  • 1
    ISSN: 1572-9702
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Two herds of experimental Sanga cattle were maintained under traditional savanna grazing management for three years in the Central Province of Zambia. One herd was kept free of ticks by regular acaricide treatment, while the other was given no tick control. Milk production, growth rate, fertility and mortality were monitored throughout the trial. The tick-free herd performed significantly better than the tick-infested herd, but the value of the additional production was much less than the cost of the acaricide used. it is concluded that there is no economic justification for intensive tick control under these conditions. However, strategic tick control would be justified if the quantity of acaricide used could be reduced by 50% without any major reduction in benefits. The results indicate that treating calves below 45 days of age reduces their performance, as does treating cows during periods of very low tick challenge. Therefore, it seems likely that economically beneficial strategic tick control policies could be developed.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Tropical animal health and production 15 (1983), S. 234-236 
    ISSN: 1573-7438
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Quatre vingt cinq chiens ont été examinés et les nombres et types des vers parasites ainsi trouvés ont été enregistrés. Quarante pour cent des chiens étaient parasités par un ou plusieurs helminthes. Les helminthes les plus répandus étaient les cestodesDipylidium caninum (24,7 p. 100) etTaenia hydatigena (17,64 p. 100). Les infestations étaient équitablement réparties en fonction du sexe de l'hote. Les chiens en bas âge étaient plus fréquemment infestés parToxocara canis que les adultes alors que les autres parasites étaient plus fréquents chez les chiens adultes.
    Abstract: Resumen Se examinaron 25 perros para detectar el número y tipo de helmintos prevalentes. Cuarenta por ciento de los perros estaban infectados con uno o más helmitos. Los parásitos más prevalentes fueron los céstodosDipylidium caninum (24.7 por ciento), yTaenia saginata (17.64 por ciento). Las infecciones se encontraron bien distribuidas entre sexos y huespedes. Los perros jovenes tenían másToxocara canis que los adultos, mietras que los demas helmintos se encontraron más en perros adultos.
    Notes: Summary Eighty-five dogs were examined and the numbers and types of helminth parasites found were recorded. Forty per cent of the dogs were infected with one or more helminth parasites. The most prevalent helminths were the cestodesDipylidium caninum (24.7%) andTaenia hydatigena (17.64%). Infections were evenly distributed with sex of host. Juvenile dogs were more commonly infected withToxocara canis than adults whereas all other helminths were found more in adult dogs.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Tropical animal health and production 25 (1993), S. 129-130 
    ISSN: 1573-7438
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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