1. Genetic resistance to Ascaridia galli infections in chickens.
- Author
-
Permin A and Ranvig H
- Subjects
- Animals, Ascaridia, Ascaridiasis immunology, Ascaridiasis parasitology, Breeding, Chickens genetics, Chickens immunology, Feces parasitology, Female, Genetic Predisposition to Disease, Immunity, Innate genetics, Male, Parasite Egg Count veterinary, Poultry Diseases genetics, Poultry Diseases parasitology, Time Factors, Ascaridiasis veterinary, Chickens parasitology, Poultry Diseases immunology
- Abstract
Ascaridiosis is still a cause of economic losses in modern poultry production systems. Improving genetic resistance to this disease provides an attractive alternative for free-range organic poultry producers and will eventually reduce the extensive use of anthelmintic drugs. An experiment was conducted to compare resistance to Ascaridia galli infections in Lohman Brown (LB) and Danish Landrace (DL) chickens. A self-cure mechanism to A. galli infections was observed in both breeds. However, significantly higher worm burdens and egg excretion were seen in the DL compared to LB chickens during primary infection. This indicates that breeding for resistance to A. galli is possible in chickens.
- Published
- 2001
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