PMID: 9877067Jan 7, 1999Paper

Production, faecal egg counts and worm burdens of ewe lambs which grazed six contrasting forages

Veterinary Parasitology
J H NiezenW A Charleston

Abstract

Lambs were grazed on monospecific swards of one of six forages, some containing condensed tannins (CT); sulla (Hedysarum coronarium), Lotus corniculatus and L. pedunculatus and some without CT (lucerne (Medicago sativa), plantain (Plantago lanceolata) and a ryegrass/white clover pasture (Lolium perenne/Trifolium repens)) to evaluate effects of forage type on gastrointestinal nematode burdens, faecal egg count as well as liveweight gain (LWG), wool growth and dag formation over a 42-day period. A new allotment of feed was provided at seven-day intervals, and feed was available ad libitum. Total worm burdens in a pre-treatment slaughter group were ca. 22000 of which ca. 5000 were in the abomasum. Within each forage type, 10 of the 25 lambs (NP) were given an anthelmintic drench at 14-day intervals and the remaining 15 lambs (P) were not drenched. Daily gains of the NP lambs were double that of P lambs which grazed either L. corniculatus, lucerne or pasture, but parasitism had a lesser effect on performance of lambs which grazed sulla and L. pedunculatus. Plantain was not palatable and all lambs performed poorly. Highest daily gains in P lambs were for those which grazed sulla (175 g/day) and L. pedunculatus (160 g/day) with total...Continue Reading

Citations

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Anthelmintics (ASM)

Anthelmintics or antihelminthics are a group of antiparasitic drugs that expel parasitic worms (helminths) and other internal parasites from the body by either stunning or killing them and without causing significant damage to the host. Discover the latest research on anthelmintics here.

Anthelmintics

Anthelmintics or antihelminthics are a group of antiparasitic drugs that expel parasitic worms (helminths) and other internal parasites from the body by either stunning or killing them and without causing significant damage to the host. Discover the latest research on anthelmintics here.