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1. | | ANDRADE, C. M. S. de; ABREU, A. de Q.; FERREIRA, A. S.; VALENTIM, J. F.; SANTOS, D. M. dos. Plantio direto para reforma de pastagens degradadas na Amazônia. In: SOTTA, E. D.; SAMPAIO, F. G.; MARZALL, K.; SILVA, W. G. da. (org.). Estratégias de adaptação às mudanças do clima dos sistemas agropecuários brasileiros. Brasília, DF: MAPA, 2021. p. 72-73. Biblioteca(s): Embrapa Acre. |
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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
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
18/09/1997 |
Data da última atualização: |
08/09/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
Internacional - A |
Autoria: |
JOHNSON, E. H.; KASS, P. H.; SANTA ROSA, J. |
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. |
Título: |
Effects of energy supplementation and season on serum immunoglobulin and protein levels in Moxoto goats. |
Ano de publicação: |
1995 |
Fonte/Imprenta: |
Small Ruminant Research, v. 15, n. 2, p. 121-125, 1995. |
Idioma: |
Inglês |
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 |
Palavras-Chave: |
Energy supplementation; Immunoglobulin; Proteína sérica; Raça Moxotó; Season; Serum protein. |
Thesagro: |
Caprino; Imunoglobulina; Nutrição animal; Suplemento energético. |
Thesaurus NAL: |
Animal nutrition; Feed supplements; Goats; Ruminant nutrition. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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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