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 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
18/09/1997 |
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Data da última atualização: |
08/09/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - A |
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Autoria: |
JOHNSON, E. H.; KASS, P. H.; SANTA ROSA, J. |
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Afiliação: |
Interamerican Institute for Cooperation on Agriculture/Organization of American States, National Goat Research Center (CNPC/EMBRAPA), Brazil; Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, CA, USA; JANETE SANTA ROSA, CNPC. |
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Título: |
Effects of energy supplementation and season on serum immunoglobulin and protein levels in Moxoto goats. |
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Ano de publicação: |
1995 |
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Fonte/Imprenta: |
Small Ruminant Research, v. 15, n. 2, p. 121-125, 1995. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: A study was conducted to determine the influence of various levels of energy supplementation and season on total serum immunoglobulin and protein levels of female goats grazing native range (caatinga) in Northeast Brazil. The energy supplement was whole sorghum grain. One hundred and twenty female Moxoto goats weighing 10 to 12 kg were randomly assigned to one of four treatment groups consisting of 30 animals. Grain was supplemented at: 0, 0.6, 1.2 and 1.8%/BW on an as fed basis. The quantity of supplement offered was adjusted bi-weekly using the mean BW of goats from each of the treatment groups. Grain was offered individually in headlock feeders twice a day, before and after grazing (6 a.m. and 5 p.m.). Goats rotationally grazed three pastures of 65 ha each. A mineral salt mixture was offered ad libitum. The four groups did not show a statistical difference in total serum immunoglobulin levels. All groups, however, showed a seasonal variation in immunoglobulin levels. Immunoglobulin levels were highest during June to December (dry season) and lowest during January to May (rainy season). The lower levels of serum immunoglobulin levels may be a partial explanation for the increased incidence of major diseases recorded during this period of the year in Northeast Brazil. Goats receiving no sorghum grain supplementation had statistically significantly lower levels of serum protein during 8 of 19 months of this study. The most marked difference was between these animals and those receiving the highest level of energy supplementation. Seasonal variations in serum immunoglobulin levels may be a reflection of varying periods of immunocompetence and be of potential significance when assessing responses to immunogens. MenosAbstract: A study was conducted to determine the influence of various levels of energy supplementation and season on total serum immunoglobulin and protein levels of female goats grazing native range (caatinga) in Northeast Brazil. The energy supplement was whole sorghum grain. One hundred and twenty female Moxoto goats weighing 10 to 12 kg were randomly assigned to one of four treatment groups consisting of 30 animals. Grain was supplemented at: 0, 0.6, 1.2 and 1.8%/BW on an as fed basis. The quantity of supplement offered was adjusted bi-weekly using the mean BW of goats from each of the treatment groups. Grain was offered individually in headlock feeders twice a day, before and after grazing (6 a.m. and 5 p.m.). Goats rotationally grazed three pastures of 65 ha each. A mineral salt mixture was offered ad libitum. The four groups did not show a statistical difference in total serum immunoglobulin levels. All groups, however, showed a seasonal variation in immunoglobulin levels. Immunoglobulin levels were highest during June to December (dry season) and lowest during January to May (rainy season). The lower levels of serum immunoglobulin levels may be a partial explanation for the increased incidence of major diseases recorded during this period of the year in Northeast Brazil. Goats receiving no sorghum grain supplementation had statistically significantly lower levels of serum protein during 8 of 19 months of this study. The most marked difference was between these animal... Mostrar Tudo |
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Palavras-Chave: |
Energy supplementation; Immunoglobulin; Proteína sérica; Raça Moxotó; Season; Serum protein. |
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Thesagro: |
Caprino; Imunoglobulina; Nutrição animal; Suplemento energético. |
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Thesaurus NAL: |
Animal nutrition; Feed supplements; Goats; Ruminant nutrition. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02629naa a2200313 a 4500
001 1514762
005 2021-09-08
008 1995 bl uuuu u00u1 u #d
100 1 $aJOHNSON, E. H.
245 $aEffects of energy supplementation and season on serum immunoglobulin and protein levels in Moxoto goats.
260 $c1995
520 $aAbstract: A study was conducted to determine the influence of various levels of energy supplementation and season on total serum immunoglobulin and protein levels of female goats grazing native range (caatinga) in Northeast Brazil. The energy supplement was whole sorghum grain. One hundred and twenty female Moxoto goats weighing 10 to 12 kg were randomly assigned to one of four treatment groups consisting of 30 animals. Grain was supplemented at: 0, 0.6, 1.2 and 1.8%/BW on an as fed basis. The quantity of supplement offered was adjusted bi-weekly using the mean BW of goats from each of the treatment groups. Grain was offered individually in headlock feeders twice a day, before and after grazing (6 a.m. and 5 p.m.). Goats rotationally grazed three pastures of 65 ha each. A mineral salt mixture was offered ad libitum. The four groups did not show a statistical difference in total serum immunoglobulin levels. All groups, however, showed a seasonal variation in immunoglobulin levels. Immunoglobulin levels were highest during June to December (dry season) and lowest during January to May (rainy season). The lower levels of serum immunoglobulin levels may be a partial explanation for the increased incidence of major diseases recorded during this period of the year in Northeast Brazil. Goats receiving no sorghum grain supplementation had statistically significantly lower levels of serum protein during 8 of 19 months of this study. The most marked difference was between these animals and those receiving the highest level of energy supplementation. Seasonal variations in serum immunoglobulin levels may be a reflection of varying periods of immunocompetence and be of potential significance when assessing responses to immunogens.
650 $aAnimal nutrition
650 $aFeed supplements
650 $aGoats
650 $aRuminant nutrition
650 $aCaprino
650 $aImunoglobulina
650 $aNutrição animal
650 $aSuplemento energético
653 $aEnergy supplementation
653 $aImmunoglobulin
653 $aProteína sérica
653 $aRaça Moxotó
653 $aSeason
653 $aSerum protein
700 1 $aKASS, P. H.
700 1 $aSANTA ROSA, J.
773 $tSmall Ruminant Research$gv. 15, n. 2, p. 121-125, 1995.
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