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The paper starts with a description of parasites of small ruminants in the Philippines. It then discusses host-parasite relationships and worm control options; looks into worm control programs; and examines impact of helminths on production. It then discusses anthelmintic plants and biological co...


Gray, G.D.Yee, C.A.T.Villar, E.C.[Worm control for small ruminants in the Philippines]Worm control for small ruminants in the Philippines

The purpose of this chapter is two-fold. First, the information available on breeds of sheep and goats that are resistant or resilient to helminthiasis (mainly the GI nematodes) infections are reviewed. This is important information for inclusion of appropriate breeds in integrated endoparasite c...


Baker, R.L.Gray, G.D.[Appropriate breeds and breeding schemes for sheep and goats in the tropics]Appropriate breeds and breeding schemes for sheep and goats in the tropics

The effectiveness of protein supplementation and genetic selection to enhance the resistance of periparturient Merino ewes to infection from gastrointestinal parasites was tested in a replicated grazing experiment. One hundred and twenty ewes from lines selected for increased resistance (R) to Ha...


Kahn, L.P.Knox, M.R.Gray, G.D.Lea, J.M.Walken-Brown, S.W.[Enhancing immunity to nematode parasites in single-bearing Merino ewes through nutrition and genetic selection]Enhancing immunity to nematode parasites in single-bearing Merino ewes through nutrition and genetic selection

The focus of this volume is on small ruminant production, the effects that nematode parasites have on their productivity and ways of overcoming these effects. In some chapters, avoidance takes on more significance than direct confrontation. This volume is arranged in two sections. The first secti...


Sani, R.A.Gray, G.D.[Worm control for small ruminants in Southeast Asia]Worm control for small ruminants in Southeast Asia

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