Article
Genetic variation for worm burdens in laying hens naturally infected with gastro-intestinal nematodes.
British poultry science - 1 Jan 2015
Wongrak K, Daş G, von Borstel U König, Gauly M
Abstract excerpt
1. Genetic parameters were determined for the worm burden of the most common gastro-intestinal nematodes in two chicken genotypes after being exposed to free-range farming conditions for a laying period. 2. Seventeen-week-old hens of 2 brown genotypes, Lohmann Brown (LB) plus (n = 230) and LB classic (n = 230), were reared for a laying period and subjected to post-mortem parasitological examinations at 79 weeks...
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