Observation of seasonal incidence of egg output and adult worm burden of gastro-intestinal nematodes in sheep in Songhuajiang area in Heilongjiang Province of China;

Rintal tablet was used to lustrate nematodes in enteron of sheep and the result attests that ratios of egg reduction,return ratios of negtive egg,reductive hatch ratios of L 3 and return ratios of negtyive L 3 of Haemonchus contortus,Oesophagostomum clombianum,Bunostomum trigonocephalum,Strongyloides papillosus and Nematodirus spp.

Effect of different methods of collection eggs on cultivation of nematodes eggs in stomach-intestine tract of sheep;