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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
25/11/1995 |
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Data da última atualização: |
25/11/1995 |
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Autoria: |
LINDSAY, D. S.; RIPPEY, N. S.; POWE, T. A.; SARTIN, E. A.; DUBEY, J. P.; BLAGBURN, B. L. |
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Título: |
Abortions, fetal death, and stillbirths in pregnant pygmy goats inocu-lated with tachyzoites of Neospora caninum. |
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Ano de publicação: |
1995 |
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Fonte/Imprenta: |
American Journal of Veterinary Research, v.56, n.9, p.1176-1180, 1995. |
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Idioma: |
Inglês |
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Conteúdo: |
Neospora caninum-induced abortion is a major production problem in the dairy cattle industry in the United States and worldwide. Abortions attributable to naturaIly acquired N caninum infection also have been observed in pygmy goats. We studied experimentaIly induced infections with N caninum in pregnant pygmy does to determine whether abortions attributable to N caninum infection would occur after inoculation. Seven pregnant pygmy does (1 contrai doe and 6 inoculated With N caninum) were studied. The control doe remained clinically normal throughout the study and delivered 2 healthy kids. Abortion, fetal death, and stillbirths were observed in some pregnant does inoculated with N caninum. Two pregnant pygmy does inoculated with N caninum early in gestation (day 51) had fetuses that died and were aborted, or died and were reabsorbed. Neospora caninum tachyzoites and lesions were observed in the brain, spinal cord, and heart of aborted fetusesi parasites also were isolated from the placenta. Four additional pregnant pygmy does (2 inoculated at mid-gestation [day 85], and 2 at late gestation [day 127]) did not abort after inoculation. However, 1 doe inoculated during mid-gestation delivered a stillbom fetus that had died about 1 week prior to parturition. This kid was congenitally infected with N caninum. Neospora caninum was isolated from the placentas of aIl inoculated does examined. Neonatal neosporosis was not observed in live-bom kids, nor were stages of N caninum isolated from any live-bom kid. Does did not undergo abortion or have congenitaIly infected kids when they were rebred and evaluated for neosporosis. Neospora caninum is a protozoan parasite that is recognized as a major cause of abortion in dairy cattle in the United States and other cattle-producing countries of the world.1,2 Naturally infected cows may undergo abortion or produce calves that are born weak.3. From 2.7 to 24.4% of bovine abortions have been attributed to N caninum.4,5 Abortion induced by natural infection with N caninum has been observed in pygmy goats from California and Pennsylvania.6,7 Lesions in aborted kids were similar to those associated with N caninum-infected bovine ietuses.
Because neosporosis is a naturally acquired disease in pygmy goats, they may serve as useful models for N caninum infections in cattle. Their small size and short gestation make them attractive experimental subjects. The study reported here was conducted to evaltlate the pygmy goat as a model for bovine neosporosis. MenosNeospora caninum-induced abortion is a major production problem in the dairy cattle industry in the United States and worldwide. Abortions attributable to naturaIly acquired N caninum infection also have been observed in pygmy goats. We studied experimentaIly induced infections with N caninum in pregnant pygmy does to determine whether abortions attributable to N caninum infection would occur after inoculation. Seven pregnant pygmy does (1 contrai doe and 6 inoculated With N caninum) were studied. The control doe remained clinically normal throughout the study and delivered 2 healthy kids. Abortion, fetal death, and stillbirths were observed in some pregnant does inoculated with N caninum. Two pregnant pygmy does inoculated with N caninum early in gestation (day 51) had fetuses that died and were aborted, or died and were reabsorbed. Neospora caninum tachyzoites and lesions were observed in the brain, spinal cord, and heart of aborted fetusesi parasites also were isolated from the placenta. Four additional pregnant pygmy does (2 inoculated at mid-gestation [day 85], and 2 at late gestation [day 127]) did not abort after inoculation. However, 1 doe inoculated during mid-gestation delivered a stillbom fetus that had died about 1 week prior to parturition. This kid was congenitally infected with N caninum. Neospora caninum was isolated from the placentas of aIl inoculated does examined. Neonatal neosporosis was not observed in live-bom kids, nor were stages of N caninum isolate... Mostrar Tudo |
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Palavras-Chave: |
Morte fetal. |
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Thesagro: |
Aborto; Caprino; Doença; Protozoário; Reprodução. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 03236naa a2200253 a 4500
001 1516356
005 1995-11-25
008 1995 bl uuuu u00u1 u #d
100 1 $aLINDSAY, D. S.
245 $aAbortions, fetal death, and stillbirths in pregnant pygmy goats inocu-lated with tachyzoites of Neospora caninum.
260 $c1995
520 $aNeospora caninum-induced abortion is a major production problem in the dairy cattle industry in the United States and worldwide. Abortions attributable to naturaIly acquired N caninum infection also have been observed in pygmy goats. We studied experimentaIly induced infections with N caninum in pregnant pygmy does to determine whether abortions attributable to N caninum infection would occur after inoculation. Seven pregnant pygmy does (1 contrai doe and 6 inoculated With N caninum) were studied. The control doe remained clinically normal throughout the study and delivered 2 healthy kids. Abortion, fetal death, and stillbirths were observed in some pregnant does inoculated with N caninum. Two pregnant pygmy does inoculated with N caninum early in gestation (day 51) had fetuses that died and were aborted, or died and were reabsorbed. Neospora caninum tachyzoites and lesions were observed in the brain, spinal cord, and heart of aborted fetusesi parasites also were isolated from the placenta. Four additional pregnant pygmy does (2 inoculated at mid-gestation [day 85], and 2 at late gestation [day 127]) did not abort after inoculation. However, 1 doe inoculated during mid-gestation delivered a stillbom fetus that had died about 1 week prior to parturition. This kid was congenitally infected with N caninum. Neospora caninum was isolated from the placentas of aIl inoculated does examined. Neonatal neosporosis was not observed in live-bom kids, nor were stages of N caninum isolated from any live-bom kid. Does did not undergo abortion or have congenitaIly infected kids when they were rebred and evaluated for neosporosis. Neospora caninum is a protozoan parasite that is recognized as a major cause of abortion in dairy cattle in the United States and other cattle-producing countries of the world.1,2 Naturally infected cows may undergo abortion or produce calves that are born weak.3. From 2.7 to 24.4% of bovine abortions have been attributed to N caninum.4,5 Abortion induced by natural infection with N caninum has been observed in pygmy goats from California and Pennsylvania.6,7 Lesions in aborted kids were similar to those associated with N caninum-infected bovine ietuses. Because neosporosis is a naturally acquired disease in pygmy goats, they may serve as useful models for N caninum infections in cattle. Their small size and short gestation make them attractive experimental subjects. The study reported here was conducted to evaltlate the pygmy goat as a model for bovine neosporosis.
650 $aAborto
650 $aCaprino
650 $aDoença
650 $aProtozoário
650 $aReprodução
653 $aMorte fetal
700 1 $aRIPPEY, N. S.
700 1 $aPOWE, T. A.
700 1 $aSARTIN, E. A.
700 1 $aDUBEY, J. P.
700 1 $aBLAGBURN, B. L.
773 $tAmerican Journal of Veterinary Research$gv.56, n.9, p.1176-1180, 1995.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Trigo. |
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Data corrente: |
25/07/2022 |
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Data da última atualização: |
10/05/2024 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
CAIERAO, E.; CASTRO, R. L. de; SCHEEREN, P. L.; CARPENTIERI-PIPOLO, V. |
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Afiliação: |
EDUARDO CAIERAO, CNPT; RICARDO LIMA DE CASTRO, CNPT; PEDRO LUIZ SCHEEREN, CNPT; VALERIA CARPENTIERI PIPOLO, CNPT. |
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Título: |
Avaliação exploratória de germoplasma de trigo durum: seleção e melhoramento de cultivares como alternativa para indústria de macarrão. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
In: REUNIÃO DA COMISSÃO BRASILEIRA DE PESQUISA DE TRIGO E TRITICALE, 15., 2022. Atas e resumos... Passo Fundo: Acervus, 2023. |
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Páginas: |
p. 274-279. |
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Idioma: |
Português |
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Notas: |
Gilberto Rocca da Cunha, Eduardo Caierão, organizadores. |
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Thesagro: |
Germoplasma; Melhoramento Vegetal; Triticum Durum; Triticum Turgidum. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1144904/1/Resu-Avaliacao-explor.pdf
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Marc: |
LEADER 00811nam a2200205 a 4500
001 2144904
005 2024-05-10
008 2023 bl uuuu u00u1 u #d
100 1 $aCAIERAO, E.
245 $aAvaliação exploratória de germoplasma de trigo durum$bseleção e melhoramento de cultivares como alternativa para indústria de macarrão.$h[electronic resource]
260 $aIn: REUNIÃO DA COMISSÃO BRASILEIRA DE PESQUISA DE TRIGO E TRITICALE, 15., 2022. Atas e resumos... Passo Fundo: Acervus$c2023
300 $ap. 274-279.
500 $aGilberto Rocca da Cunha, Eduardo Caierão, organizadores.
650 $aGermoplasma
650 $aMelhoramento Vegetal
650 $aTriticum Durum
650 $aTriticum Turgidum
700 1 $aCASTRO, R. L. de
700 1 $aSCHEEREN, P. L.
700 1 $aCARPENTIERI-PIPOLO, V.
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