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Biblioteca(s):  Embrapa Caprinos e Ovinos.
Data corrente:  16/03/2004
Data da última atualização:  16/03/2004
Autoria:  NIEZEN, J. H.; ROBERTSON, H. A.; WAGHORN, G. C.; CHARLESTON, W. A. G.
Título:  Production, faecal egg counts and worm burdens of ewe lambs which grazed six contrasting forages.
Ano de publicação:  1998
Fonte/Imprenta:  Veterinary Parasitology, v. 80, n. 1, p. 15-27, 1998.
Idioma:  Inglês
Conteúdo:  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 perennelTrifolium repens» to evaluate effects of forage type on gastrointestinal nematode burdens, faecal egg count as weIl as liveweight gain (LWG), wool growth and dag formation over a 42-day period. A new allotrnent of feed was provided at seven-day intervals, and feed was available ad libitum. Total worm burdens in a pre-treatrnent 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 Dot drenched. Daily gains of the NP lambs were double that of P lambs which grazed either L comiculatus, lucerne or pasture, but parasitism had a lesser effect on performance of lambs which grazed sulla and L pedunculatus. Plantain was Dot palatable and ail 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 worm burdens of 13 100 and 23000 for the respective treatment groups. The other forages resulted in lower daily LWG in P lambs, and performance was Dot related to either worm burdens or worm species. This experiment bas shown that, when sulla is fed, the... Mostrar Tudo
Palavras-Chave:  Ectoparasito; Hedysarium coronarium; Lotus pedunculatus; Nematódeo gastrintestinal.
Thesagro:  Alfafa; Lotus Corniculatus; Ovino; Parasitologia; Plantago Lanceolata.
Categoria do assunto:  --
Marc:  Mostrar Marc Completo
Registro original:  Embrapa Caprinos e Ovinos (CNPC)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status
CNPC16791 - 1ADCAP - --v.80, p.15

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