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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
28/03/2013 |
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Data da última atualização: |
08/07/2016 |
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Autoria: |
CORREA, C. M.; MICHAELSEN, R.; Ribeiro, M. E. R.; PINTO, A. T.; ZANELA, M. B.; SCHMIDT, V. |
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Título: |
Composição do leite e diagnóstico de mastite em caprinos. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Acta Scientiae Veterinariae, Porto Alegre, v. 38, n. 3, p. 273-278, 2010. |
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Idioma: |
Português |
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Conteúdo: |
[Milk composition and mastitis diagnosis in goats].
Background: Milk is one of the most used foodstuffs by humans in their diet. The quality of goat milk is already regulated by Law, which takes into consideration its physical-chemical and microbiological composition parameters. Several factors contribute for the alteration of the physical-chemical and microbiological parameters of caprine milk. These include breed, age, lactation phase and diet, among others. The health status of animals may interfere in the quality of the milk produced, both regarding food safety and milk processing and, for that reason, the identification of mastitis-causing agents is important, so that prevention and control measures can be implemented. The present study aimed at analyzing the occurrence of mastitis and the milk composition of dairy goats in a semi-intensive production system. Materials, Methods & Results: In a private goat farm with a flock composed of 32 female animals of breeds such as Saanen and Anglo-Nubian, raised on a semi-confined system, the diagnosis of mastitis was made through methods such as California Mastitis Test (CMT), Somatic Cells Count (SCC) and bacterial isolation. A total of 136 milk samples were analyzed, which were individualized per teat. Additionally, the study determined the volume of milk produced individually and the chemical composition of milk samples (fat, raw protein, lactose and total solids). In 37 (27.2%) samples, subclinical mastitis caused by CNS was identified. A negative response to CMT was observed in 125 (91.92%) samples Only four samples presented a coincidence (OR =1.239) between CMT and bacterial isolation (P =0.7470). It was observed that the daily milk production ranged between 207.90 mL and 2.68 L. Moreover, it became clear that the milk production in half of the teats with subclinical mastitis was smaller (P =0.0026). A tendency to a significant reduction (P <0.001) in the percentage of fat and total solids was verified. The lactose percentage remained stable during the four months, and that of protein showed a tendency to reduction (P <0.001). A great variability in SCC was observed (23,000 to 9,999,000 cel.mL-1) during the sampling months. A significant concordance (P <0.001) was determined between a low SCC and the non-bacterial isolation in 65 samples (OR =11.556). Discussion: Mastitis is an inflammation of the mammary gland and, in the majority of cases, it is manifested in its subclinical form, having CNS as its main agent, both in Brazil and in other countries. Methods such as bacterial isolation, SCC and CMT are used for the diagnosis of mastitis. In the present study, no relation among these diagnostic methods has been found. This fact had already been reported in Brazilian literature. The herd configuration may have contributed for the occurrence of mastitis, since this disease is influenced by genetic factors and age. Moreover, its occurrence was higher in Anglo-Nubian females which, in addition to being older and consequently having undergone a higher number of lactations, presented an udder conformation with fragile ligaments and pending teats. Such conformation of the mammary glands may collaborate to the occurrence of infection. Mastitis is responsible for damages in the dairy production system, due to economical losses and reduction in the quality and volume of milk. However, the present study did not observe a variation in milk production due to bacterial contamination or an increase of SCC. A reduction in solid and fat contents did coincide with the beginning of the lactation period in Saanen goats; animals belonging to this breed tend to produce a higher volume of milk and, consequently, a smaller proportion of its components is observed. Based on the results obtained, the study concluded that the herd composition with regard to breed and lactation phase has an influence in the occurrence of subclinical mastitis, as well as in milk composition. Methods such as the CMT and SCC should be used carefully in the diagnosis of mastitis in goats. Menos[Milk composition and mastitis diagnosis in goats].
Background: Milk is one of the most used foodstuffs by humans in their diet. The quality of goat milk is already regulated by Law, which takes into consideration its physical-chemical and microbiological composition parameters. Several factors contribute for the alteration of the physical-chemical and microbiological parameters of caprine milk. These include breed, age, lactation phase and diet, among others. The health status of animals may interfere in the quality of the milk produced, both regarding food safety and milk processing and, for that reason, the identification of mastitis-causing agents is important, so that prevention and control measures can be implemented. The present study aimed at analyzing the occurrence of mastitis and the milk composition of dairy goats in a semi-intensive production system. Materials, Methods & Results: In a private goat farm with a flock composed of 32 female animals of breeds such as Saanen and Anglo-Nubian, raised on a semi-confined system, the diagnosis of mastitis was made through methods such as California Mastitis Test (CMT), Somatic Cells Count (SCC) and bacterial isolation. A total of 136 milk samples were analyzed, which were individualized per teat. Additionally, the study determined the volume of milk produced individually and the chemical composition of milk samples (fat, raw protein, lactose and total solids). In 37 (27.2%) samples, subclinical mastitis caused by CNS was... Mostrar Tudo |
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Palavras-Chave: |
Caprino leiteiro; Composição do leite; Mastite; Ocorrência. |
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Thesagro: |
Caprino; Leite de cabra; Mamite; Produção leiteira. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 04842naa a2200277 a 4500
001 1954564
005 2016-07-08
008 2010 bl uuuu u00u1 u #d
100 1 $aCORREA, C. M.
245 $aComposição do leite e diagnóstico de mastite em caprinos.$h[electronic resource]
260 $c2010
520 $a[Milk composition and mastitis diagnosis in goats]. Background: Milk is one of the most used foodstuffs by humans in their diet. The quality of goat milk is already regulated by Law, which takes into consideration its physical-chemical and microbiological composition parameters. Several factors contribute for the alteration of the physical-chemical and microbiological parameters of caprine milk. These include breed, age, lactation phase and diet, among others. The health status of animals may interfere in the quality of the milk produced, both regarding food safety and milk processing and, for that reason, the identification of mastitis-causing agents is important, so that prevention and control measures can be implemented. The present study aimed at analyzing the occurrence of mastitis and the milk composition of dairy goats in a semi-intensive production system. Materials, Methods & Results: In a private goat farm with a flock composed of 32 female animals of breeds such as Saanen and Anglo-Nubian, raised on a semi-confined system, the diagnosis of mastitis was made through methods such as California Mastitis Test (CMT), Somatic Cells Count (SCC) and bacterial isolation. A total of 136 milk samples were analyzed, which were individualized per teat. Additionally, the study determined the volume of milk produced individually and the chemical composition of milk samples (fat, raw protein, lactose and total solids). In 37 (27.2%) samples, subclinical mastitis caused by CNS was identified. A negative response to CMT was observed in 125 (91.92%) samples Only four samples presented a coincidence (OR =1.239) between CMT and bacterial isolation (P =0.7470). It was observed that the daily milk production ranged between 207.90 mL and 2.68 L. Moreover, it became clear that the milk production in half of the teats with subclinical mastitis was smaller (P =0.0026). A tendency to a significant reduction (P <0.001) in the percentage of fat and total solids was verified. The lactose percentage remained stable during the four months, and that of protein showed a tendency to reduction (P <0.001). A great variability in SCC was observed (23,000 to 9,999,000 cel.mL-1) during the sampling months. A significant concordance (P <0.001) was determined between a low SCC and the non-bacterial isolation in 65 samples (OR =11.556). Discussion: Mastitis is an inflammation of the mammary gland and, in the majority of cases, it is manifested in its subclinical form, having CNS as its main agent, both in Brazil and in other countries. Methods such as bacterial isolation, SCC and CMT are used for the diagnosis of mastitis. In the present study, no relation among these diagnostic methods has been found. This fact had already been reported in Brazilian literature. The herd configuration may have contributed for the occurrence of mastitis, since this disease is influenced by genetic factors and age. Moreover, its occurrence was higher in Anglo-Nubian females which, in addition to being older and consequently having undergone a higher number of lactations, presented an udder conformation with fragile ligaments and pending teats. Such conformation of the mammary glands may collaborate to the occurrence of infection. Mastitis is responsible for damages in the dairy production system, due to economical losses and reduction in the quality and volume of milk. However, the present study did not observe a variation in milk production due to bacterial contamination or an increase of SCC. A reduction in solid and fat contents did coincide with the beginning of the lactation period in Saanen goats; animals belonging to this breed tend to produce a higher volume of milk and, consequently, a smaller proportion of its components is observed. Based on the results obtained, the study concluded that the herd composition with regard to breed and lactation phase has an influence in the occurrence of subclinical mastitis, as well as in milk composition. Methods such as the CMT and SCC should be used carefully in the diagnosis of mastitis in goats.
650 $aCaprino
650 $aLeite de cabra
650 $aMamite
650 $aProdução leiteira
653 $aCaprino leiteiro
653 $aComposição do leite
653 $aMastite
653 $aOcorrência
700 1 $aMICHAELSEN, R.
700 1 $aRibeiro, M. E. R.
700 1 $aPINTO, A. T.
700 1 $aZANELA, M. B.
700 1 $aSCHMIDT, V.
773 $tActa Scientiae Veterinariae, Porto Alegre$gv. 38, n. 3, p. 273-278, 2010.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amapá. Para informações adicionais entre em contato com cpafap.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Amapá. |
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Data corrente: |
18/02/2016 |
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Data da última atualização: |
23/05/2018 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
BATISTA, K. D.; SILVA, K. E. da; MARTINS, G. C.; WADT, L. H. de O.; SILVA, L. M. da; MELEM JUNIOR, N. J.; GUEDES, M. C.; OLIVEIRA JUNIOR, R. C. de; MAGALHAES, C. A. S.; TARDINI, A. B. B. |
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Afiliação: |
KARINE DIAS BATISTA, CPAF-RR; NAGIB JORGE MELEM JUNIOR, CPAF-AP; MARCELINO CARNEIRO GUEDES, CPAF-AP. |
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Título: |
Selenium soil mapping under native Brazil nut forests in Brazilian Amazon. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE ON SELENIUM IN THE ENVIRONMENT AND HUMAN HEALTH, 4., 2015, São Paulo. Global advances in selenium research from theory to application: proceedings. Londres: Taylor & Francis Group, 2016. p. 17-18. |
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Idioma: |
Inglês |
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Notas: |
Editores: Gary S. Banuelos, Zhi-Qing Lin, Milton Ferreira Moraes, Luiz Roberto Guimarães Guilherme, Andre Rodrigues dos Reis. |
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Conteúdo: |
Brazil nut is distributed in Amazon and represents an important source of selenium, which plays an important role in the human diet. The Brazilian Agricultural Research Corporation, EMBRAPA, through the project "Brazil Nut Mapping and Environmental, Social and Economic Characterization of Production Systems in Amazon - MapCast" has been conducting studies in six Amazon States, aiming to increase knowledge about this species. Among the various research lines from the project, studies on selenium in the soil have been developed with a wide sampling spatial range. The results of this study are an important source of information that will subsidize studies on the relationship of Se with fruit production, as well as the association of this element in the soil with selenium content in nuts, contributing to identify areas with higher selenium levels and for food safety of nut human consumers. |
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Thesagro: |
Bertholletia Excelsa. |
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Thesaurus NAL: |
Brazil nuts. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 01961naa a2200265 a 4500
001 2037607
005 2018-05-23
008 2016 bl uuuu u00u1 u #d
100 1 $aBATISTA, K. D.
245 $aSelenium soil mapping under native Brazil nut forests in Brazilian Amazon.$h[electronic resource]
260 $c2016
500 $aEditores: Gary S. Banuelos, Zhi-Qing Lin, Milton Ferreira Moraes, Luiz Roberto Guimarães Guilherme, Andre Rodrigues dos Reis.
520 $aBrazil nut is distributed in Amazon and represents an important source of selenium, which plays an important role in the human diet. The Brazilian Agricultural Research Corporation, EMBRAPA, through the project "Brazil Nut Mapping and Environmental, Social and Economic Characterization of Production Systems in Amazon - MapCast" has been conducting studies in six Amazon States, aiming to increase knowledge about this species. Among the various research lines from the project, studies on selenium in the soil have been developed with a wide sampling spatial range. The results of this study are an important source of information that will subsidize studies on the relationship of Se with fruit production, as well as the association of this element in the soil with selenium content in nuts, contributing to identify areas with higher selenium levels and for food safety of nut human consumers.
650 $aBrazil nuts
650 $aBertholletia Excelsa
700 1 $aSILVA, K. E. da
700 1 $aMARTINS, G. C.
700 1 $aWADT, L. H. de O.
700 1 $aSILVA, L. M. da
700 1 $aMELEM JUNIOR, N. J.
700 1 $aGUEDES, M. C.
700 1 $aOLIVEIRA JUNIOR, R. C. de
700 1 $aMAGALHAES, C. A. S.
700 1 $aTARDINI, A. B. B.
773 $tIn: INTERNATIONAL CONFERENCE ON SELENIUM IN THE ENVIRONMENT AND HUMAN HEALTH, 4., 2015, São Paulo. Global advances in selenium research from theory to application: proceedings. Londres: Taylor & Francis Group, 2016. p. 17-18.
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