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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
02/12/2004 |
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Data da última atualização: |
01/09/2023 |
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Autoria: |
COOP, R. L.; FIELD, A. C. |
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Título: |
Effect of phosphorus intake on growth rate, food intake and quality of the skeleton of growing lambs infected with the intestinal. |
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Ano de publicação: |
1983 |
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Fonte/Imprenta: |
Research Veterinary Science, v. 35, n. 2, p. 175-181, 1983. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The performance of growing lambs dosed daily for 12 weeks with 2500 Trichostrongylus vitrinus larvae (I) or given no larvae (control, C) was compared at two levels of phosphorus intake; 2.75 gP/kg dry matter (normal, NP) and 1.88 pgP/kg dry matter (low, LP). Both low phosphorus and T vitrinus infection reduced dry matter intake and growth rate and the combined effect of low phosphorus and infection were additive. Plasma hypophosphataemia (less than 60 mg per litre) occurred in groups CLP, ILP and INP from week 3, the values gradually returning to normal levels in INP lambs by the end of the trial. T vitrinus infection did not depress plasma phosphorus concentration below that seen in the low phosphorus controls. Both low phosphorus intake and T vitrinus infection reduced the density and mineralisation of bone, the most severely affected bones occurring in groups ILP lambs. T vitrinus infection reduced the content and concentration of phosphorus in the rumen and the effect was greater at the lower intake of phosphorus. Infection also reduced the proportion of phosphorus in the rumen liquid phase. The number of T vitrinus recovered from the intestine was higher and villous atrophy more extensive in lambs from group ILP. It is suggested that development of 'resistance' may be delayed on a low phosphorus intake. |
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Palavras-Chave: |
Intestinal diseases; Nematoide gastrintestinal; Níveis de fósforo; Tricho strongyloidiasis; Veterinary; Trichostrongyloidea. |
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Thesaurus Nal: |
Bone diseases; Bones; Diet; Feed intake; Gastrointestinal nematodes; Helminths; Phosphorus; Sheep diseases. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02232naa a2200289 a 4500
001 1530861
005 2023-09-01
008 1983 bl uuuu u00u1 u #d
100 1 $aCOOP, R. L.
245 $aEffect of phosphorus intake on growth rate, food intake and quality of the skeleton of growing lambs infected with the intestinal.$h[electronic resource]
260 $c1983
520 $aAbstract: The performance of growing lambs dosed daily for 12 weeks with 2500 Trichostrongylus vitrinus larvae (I) or given no larvae (control, C) was compared at two levels of phosphorus intake; 2.75 gP/kg dry matter (normal, NP) and 1.88 pgP/kg dry matter (low, LP). Both low phosphorus and T vitrinus infection reduced dry matter intake and growth rate and the combined effect of low phosphorus and infection were additive. Plasma hypophosphataemia (less than 60 mg per litre) occurred in groups CLP, ILP and INP from week 3, the values gradually returning to normal levels in INP lambs by the end of the trial. T vitrinus infection did not depress plasma phosphorus concentration below that seen in the low phosphorus controls. Both low phosphorus intake and T vitrinus infection reduced the density and mineralisation of bone, the most severely affected bones occurring in groups ILP lambs. T vitrinus infection reduced the content and concentration of phosphorus in the rumen and the effect was greater at the lower intake of phosphorus. Infection also reduced the proportion of phosphorus in the rumen liquid phase. The number of T vitrinus recovered from the intestine was higher and villous atrophy more extensive in lambs from group ILP. It is suggested that development of 'resistance' may be delayed on a low phosphorus intake.
650 $aBone diseases
650 $aBones
650 $aDiet
650 $aFeed intake
650 $aGastrointestinal nematodes
650 $aHelminths
650 $aPhosphorus
650 $aSheep diseases
653 $aIntestinal diseases
653 $aNematoide gastrintestinal
653 $aNíveis de fósforo
653 $aTricho strongyloidiasis; Veterinary
653 $aTrichostrongyloidea
700 1 $aFIELD, A. C.
773 $tResearch Veterinary Science$gv. 35, n. 2, p. 175-181, 1983.
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| 2. |  | GRAHAM, P. H.; ROSAS, J. C.; JENSEN, C. E. de; PERALTA, E.; TLUSTY, B.; ACOSTA-GALLEGOS, J.; PEREIRA, P. A. A. Addressing edaphic constraints to bean production: the Bean/Cowpea CRSP project in perspective. Field Crops Research, v. 82, n. 2-3, p.179-192, May 2003.| Tipo: Artigo em Periódico Indexado |
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