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Registro Completo |
Biblioteca(s): |
Embrapa Pecuária Sudeste. |
Data corrente: |
15/10/2019 |
Data da última atualização: |
10/08/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
TOSCANO, J. H. B.; SANTOS, B. dos; HAEHLING, M. B. VON; GIRALDELO, L. A.; LOPES, L. G.; SILVA, M. H. da; FIGUEIREDO, A.; ESTEVES, S. N.; CHAGAS, A. C. de S. |
Afiliação: |
JOÃO HENRIQUE BARBOSA TOSCANO, UNESP; ISABELLA BARBOSA DOS SANTOS, UNESP; MAREI BORSCH VON HAEHLING, UNESP; LUCIANA APARECIDA GIRALDELO, UNICEP; LOUYSE GABRIELLI LOPES, UNICEP; MATHEUS HENRIQUE DA SILVA, UNICEP; AMANDA FIGUEIREDO, UNESP; SERGIO NOVITA ESTEVES, CPPSE; ANA CAROLINA DE SOUZA CHAGAS, CPPSE. |
Título: |
Morada Nova sheep breed: resistant or resilient to Haemonchus contortus infection? |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Veterinary Parasitology, v. 276, supplement, 2019, 100019. |
Páginas: |
9 p. |
DOI: |
https://doi.org/10.1016/j.vpoa.2019.100019 |
Idioma: |
Inglês |
Conteúdo: |
Morada Nova is a Brazilian hair sheep breed that is well adapted to the country?s mainly tropical climate and has good potential for meat and leather production. This breed is reported to be resistant to Haemonchus contortus infection, a highly desired characteristic due to the large impact of this parasite on sheep farming. Therefore, the present study aimed to characterize 287 recently weaned Morada Nova lambs and 123 ewes in relation to their resistance against H. contortus. The animals were dewormed and 15 days later artificially infected with 4000 H. contortus L3 (D0). They were individually monitored by periodic assessment of fecal egg count (FEC), packed cell volume (PCV), and live weight (LW). On D42, the sheep were again dewormed and submitted to a new parasitic challenge, following the same scheme. The animals of each category (lambs and ewes) were ranked according to individual mean FEC values, and classified as resistant (R, 20%), intermediate (I, 60%), or susceptible (S, 20%) to H. contortus infection. At weaning, high FEC were observed in all three phenotypes (P > 0.05). After the artificial infections, there was a significant difference (P < 0.05) among the three lamb phenotypes for the mean FEC (R < I < S), PCV (R > I > S), and LW (R = I > S). The infection levels (FEC) were negatively correlated with PCV (r = -0.66; P < 0.001), and LW (r = -0.30; P < 0.001). Despite this, the lambs were resilient, since more than 88% of these animals maintained the PCV above 24%, even when heavily infected. The importance of selective parasite control before weaning to reduce the negative impact on slaughter weight was evidenced, taking into account the high positive correlation between LW at weaning and final LW (r = 0.73; P < 0.001). The ewes, in turn, were strongly resistant to the parasite. Despite highly significant differences (P < 0.001) for mean FEC between phenotypes (R < I < S), 98% of the ewes maintained FEC below 4000 EPG. Their health was not affected, since PCV and LW did not differ between phenotypes, and these parameters were not significantly correlated with FEC (P > 0.05). With the phenotypic characterization performed here, it is possible to introduce procedures for parasite control in Morada Nova flocks, facilitating the target-selective treatment approach. The results of this study can also support improvement of meat production by the Morada Nova breed. MenosMorada Nova is a Brazilian hair sheep breed that is well adapted to the country?s mainly tropical climate and has good potential for meat and leather production. This breed is reported to be resistant to Haemonchus contortus infection, a highly desired characteristic due to the large impact of this parasite on sheep farming. Therefore, the present study aimed to characterize 287 recently weaned Morada Nova lambs and 123 ewes in relation to their resistance against H. contortus. The animals were dewormed and 15 days later artificially infected with 4000 H. contortus L3 (D0). They were individually monitored by periodic assessment of fecal egg count (FEC), packed cell volume (PCV), and live weight (LW). On D42, the sheep were again dewormed and submitted to a new parasitic challenge, following the same scheme. The animals of each category (lambs and ewes) were ranked according to individual mean FEC values, and classified as resistant (R, 20%), intermediate (I, 60%), or susceptible (S, 20%) to H. contortus infection. At weaning, high FEC were observed in all three phenotypes (P > 0.05). After the artificial infections, there was a significant difference (P < 0.05) among the three lamb phenotypes for the mean FEC (R < I < S), PCV (R > I > S), and LW (R = I > S). The infection levels (FEC) were negatively correlated with PCV (r = -0.66; P < 0.001), and LW (r = -0.30; P < 0.001). Despite this, the lambs were resilient, since more than 88% of these animals maintained the PCV above... Mostrar Tudo |
Palavras-Chave: |
Artificial infection; Gastrointestinal nematode; Host resistance; Morada Nova breed; Parasite on sheep; Sheep farming; Sheep haemonchosis. |
Thesagro: |
Ovino. |
Thesaurus Nal: |
Animal parasites and pests; Sheep. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/202884/1/MoradaNovaSheep.pdf
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Marc: |
LEADER 03511naa a2200361 a 4500 001 2113103 005 2022-08-10 008 2019 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/j.vpoa.2019.100019$2DOI 100 1 $aTOSCANO, J. H. B. 245 $aMorada Nova sheep breed$bresistant or resilient to Haemonchus contortus infection?$h[electronic resource] 260 $c2019 300 $a9 p. 520 $aMorada Nova is a Brazilian hair sheep breed that is well adapted to the country?s mainly tropical climate and has good potential for meat and leather production. This breed is reported to be resistant to Haemonchus contortus infection, a highly desired characteristic due to the large impact of this parasite on sheep farming. Therefore, the present study aimed to characterize 287 recently weaned Morada Nova lambs and 123 ewes in relation to their resistance against H. contortus. The animals were dewormed and 15 days later artificially infected with 4000 H. contortus L3 (D0). They were individually monitored by periodic assessment of fecal egg count (FEC), packed cell volume (PCV), and live weight (LW). On D42, the sheep were again dewormed and submitted to a new parasitic challenge, following the same scheme. The animals of each category (lambs and ewes) were ranked according to individual mean FEC values, and classified as resistant (R, 20%), intermediate (I, 60%), or susceptible (S, 20%) to H. contortus infection. At weaning, high FEC were observed in all three phenotypes (P > 0.05). After the artificial infections, there was a significant difference (P < 0.05) among the three lamb phenotypes for the mean FEC (R < I < S), PCV (R > I > S), and LW (R = I > S). The infection levels (FEC) were negatively correlated with PCV (r = -0.66; P < 0.001), and LW (r = -0.30; P < 0.001). Despite this, the lambs were resilient, since more than 88% of these animals maintained the PCV above 24%, even when heavily infected. The importance of selective parasite control before weaning to reduce the negative impact on slaughter weight was evidenced, taking into account the high positive correlation between LW at weaning and final LW (r = 0.73; P < 0.001). The ewes, in turn, were strongly resistant to the parasite. Despite highly significant differences (P < 0.001) for mean FEC between phenotypes (R < I < S), 98% of the ewes maintained FEC below 4000 EPG. Their health was not affected, since PCV and LW did not differ between phenotypes, and these parameters were not significantly correlated with FEC (P > 0.05). With the phenotypic characterization performed here, it is possible to introduce procedures for parasite control in Morada Nova flocks, facilitating the target-selective treatment approach. The results of this study can also support improvement of meat production by the Morada Nova breed. 650 $aAnimal parasites and pests 650 $aSheep 650 $aOvino 653 $aArtificial infection 653 $aGastrointestinal nematode 653 $aHost resistance 653 $aMorada Nova breed 653 $aParasite on sheep 653 $aSheep farming 653 $aSheep haemonchosis 700 1 $aSANTOS, B. dos 700 1 $aHAEHLING, M. B. VON 700 1 $aGIRALDELO, L. A. 700 1 $aLOPES, L. G. 700 1 $aSILVA, M. H. da 700 1 $aFIGUEIREDO, A. 700 1 $aESTEVES, S. N. 700 1 $aCHAGAS, A. C. de S. 773 $tVeterinary Parasitology$gv. 276, supplement, 2019, 100019.
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Registro original: |
Embrapa Pecuária Sudeste (CPPSE) |
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Registros recuperados : 18 | |
1. | | TOSCANO, J. H. B; GIRALDELO, L. A; SILVA, M. H; OKINO, C. H.; CHAGAS, A. C. de S. Associação entre perfil de citocinas inflamatórias em abomaso e resistência de ovinos morada nova ao haemonchus contortus. In: CONGRESSO BRASILEIRO DE PARASITOLOGIA VETERINÁRIA, 20., 2018, Londrina, PR. Anais...Londrina, PR: CBPV, 2018. p. 313.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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2. | | TOSCANO, J. H. B.; GIRALDELO, L. A.; SILVA. M. H.; OKINO, C. H.; CHAGAS, A. C. de S. Identificação de genes de referência para avaliação de expressão gênica em ovinos infectados com Haemonchus contortus. In: CONGRESSO BRASILEIRO DE PARASITOLOGIA VETERINÁRIA, 20., 2018, Londrina, PR. Anais...Londrina, PR: CBPV, 2018. p. 373.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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3. | | CHAGAS, A. C. de S.; LOPES, L. G.; SILVA, M. H.; GIRALDELO, L. A.; TOSCANO, J. H. B.; OKINO, C. H.; BENAVIDES, M. V.; ESTEVES, S. N. Phenotypic characterization of the parasite resistance in Morada Nova sheep. In: ANNUAL MEETING OF THE EUROPEAN FEDERATION OF ANIMAL SCIENCE, 69., 2018, Dubrovnik, Croatia. Proceedings... Dubrovnik, Croatia: Wageningen Academic Publishers, 2018. p.308. 27-31 august 2018.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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4. | | TOSCANO, J. H. B.; OKINO, C. H.; SANTOS, I. B. dos; GIRALDELO, L. A.; HAEHLING, M. B. VON; ESTEVES, S. N.; CHAGAS, A. C. de S. Innate immune responses associated with resistance against Haemonchus Contortus in Morada Nova sheep. Journal of Immunology Research, v. 2019, n. 3562672, p. 1-10, 2019.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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5. | | GIRALDELO, L. A.; LOPES, L. G.; SILVA, M. H. da; TOSCANO, J. H. B; BENAVIDES, M. V.; THOLON, P.; ESTEVES, S. N.; CHAGAS, A. C. de S. Impacto da infecção por nematoides gastrintestinais em cordeiros morada nova. In: CONGRESSO BRASILEIRO DE PARASITOLOGIA VETERINÁRIA, 20., 2018, Londrina. Anais...Londrina: CBPV, 2018. p. 374.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste; Embrapa Pecuária Sul. |
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6. | | TOSCANO, J. H. B.; LOPES, L. G.; GIRALDELO, L. A.; SILVA, M. H. da; OKINO, C. H.; CHAGAS, A. C. de S. Identification of appropriate reference genes for local immune-related studies in Morada Nova sheep infected with Haemonchus contortus. Molecular Biology Reports, v.45, n.5, p.1253-1262, out. 2018.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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7. | | HAEHLING, M. B.; TOSCANO, J. H. B.; GIRALDELO, L. A.; SANTOS, I. B.; ESTEVES, S. N.; BENAVIDES, M. V.; THOLON, P.; CHAGAS, A. C. de S. Is selection for resistance and resilience to Haemonchus contortus possible in Morada Nova sheep? Small Ruminant Research, v.201, aug. 2021, 106447. 10 p.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Pecuária Sudeste; Embrapa Pecuária Sul. |
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8. | | NOGUEIRA, J. A. P.; FIGUEIREDO, A.; DUARTE, J. L.; ALMEIDA, F. B. de; SANTOS, M. G.; NASCIMENTO, L. M.; FERNANDES, C. P.; MOURÃO, S. C.; TOSCANO, J. H. B.; ROCHA, L. M.; CHAGAS, A. C. de S. Repellency effect of Pilocarpus spicatus A. St.-Hil essential oil and nanoemulsion against Rhipicephalus microplus larvae. Experimental Parasitology, 215, 107919, aug. 2020. 5 p.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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9. | | OKINO, C. H.; CAMINOTTO, L. C. F.; KAPRITCHKOFF, R. T. I.; NICIURA, S. C. M.; ESTEVES, S. N.; SANTOS, I. B. DOS; TOSCANO, J. H. B.; OLIVEIRA, M. C. de S.; CHAGAS, A. C. de S. Comparison of ovine B-globin haplotype sequences and a new multiplex PCR for identification. Veterinary Parasitology, v.300, 109592, dec. 2021. 5 p.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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10. | | OKINO, C. H.; NICIURA, S. C. M.; TOSCANO, J. H. B.; ESTEVES, S. N.; SANTOS, I. B. DOS; HAEHLING, M. B. VON; FIGUEIREDO, A.; OLIVEIRA, M. C. de S.; CHAGAS, A. C. de S. Ovine B-globin gene: a new qPCR for rapid haplotype identification and association with susceptibility to Haemonchus contortus infection. Veterinary Parasitology, v.294, june, 109434, 2021. 6 p.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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11. | | TOSCANO, J. H. B.; SANTOS, B. dos; HAEHLING, M. B. VON; GIRALDELO, L. A.; LOPES, L. G.; SILVA, M. H. da; FIGUEIREDO, A.; ESTEVES, S. N.; CHAGAS, A. C. de S. Morada Nova sheep breed: resistant or resilient to Haemonchus contortus infection? Veterinary Parasitology, v. 276, supplement, 2019, 100019. 9 p.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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12. | | HAEHLING, M. B. V.; CRUVINEL, G. G.; TOSCANO, J. H. B.; GIRALDELO, L. A.; SANTOS, I. B. dos; ESTEVES, S. N.; BENAVIDES, M. V.; BARIONI JUNIOR, W.; NICIURA, S. C. M.; CHAGAS, A. C. de S. Four single nucleotide polymorphisms (SNPs) are associated with resistance and resilience to Haemonchus contortus in Brazilian Morada Nova sheep. Veterinary Parasitology, v. 279, 2020, 109053. 11 p.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Pecuária Sudeste; Embrapa Pecuária Sul. |
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13. | | OKINO, C. H.; TOSCANO, J. H. B; GIRALDELO, L. A.; VON HAEHLING, M. B.; SANTOS, I. B. dos; ESTEVES, S. N.; FERRAZ JUNIOR, R. S.; CHAGAS, A. C. de S. Differential local immune responses against Haemonchus contortus in a resistant Brazilian sheep breed (Morada Nova). In: INTERNATIONAL VETERINARY IMMUNOLOGY SYMPOSIUM, 12., 2019, Seattle. proceedings... Seattle: AAVI, 2019. 114.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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14. | | TOSCANO, J. H. B.; OKINO, C. H.; VON HAEHLING; SANTOS, I. B. dos; GIRALDELO, L. A.; FIGUEIREDO, A.; ESTEVES, S. N.; FERRAZ JUNIOR, R. S.; BASSETO, C. C.; AMARANTE, F. T. do; CHAGAS, A. C. de S. Systemic immune responses associated to Haemonchus contortus resistance in a resistant Brazilian sheep breed (Morada Nova). In: INTERNATIONAL VETERINARY IMMUNOLOGY SYMPOSIUM, 12., 2019, Seattle. Proceedings... Seattle: AAVI, 2019. p.119.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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15. | | SANTOS, I. B. dos; MACIEL, W. G.; FELIPPELLI, G.; TOSCANO, J. H. B.; CRUZ, B. C.; CHAGAS, A. C. de S.; SOARES, V. E.; LOPES. W. D. Z.; COSTA, A. J. da; OLIVEIRA, G. P. de. Viability of Haemonchus placei parasitism in experimentally infected young goats. Veterinary Parasitology, v. 271, p. 64-67, 2019.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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16. | | OKINO, C. H.; TOSCANO, J. H. B.; LOPES, L. G.; SILVA, M. H.; GIRALDELO, L. A.; NICIURA, S. C. M.; BENAVIDES, M. V.; ESTEVES, S. N.; CHAGAS, A. C. de S. Immune cell profiles associated with resistance against Haemonchus contortus in Morada Nova sheep. In: ANNUAL MEETING OF THE EUROPEAN FEDERATION OF ANIMAL SCIENCE, 69., 2018, Dubrovnik, Croatia. Proceedings... Dubrovnik, Croatia: Wageningen Academic Publishers, 2018. p.310. 27-31 august 2018.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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17. | | TOSCANO, J. H. B.; OKINO, C. H.; SANTOS, I. B. dos; GIRALDELO, L. A.; HAEHLING, M. B. von; ESTEVES, S. N.; BASSETTO, C. C.; AMARANTE, A. F. T. do; CHAGAS, A. C. de S. Local and systemic immune mediators of Morada Nova lambs with divergent Haemonchus contortus resistance phenotypes. Parasite Immunology, v. 42, e12790, 2020. 10 p.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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18. | | FIGUEIREDO, A.; NASCIMENTO, L. M.; CALDAS, G. R.; ALBUQUERQUE, R. D. D. G.; SANTOS, M. G.; FALCÃO, D. Q.; TOSCANO, J. H. B.; ALEMÁN GAINZA, Y.; SILVA, M. H.; GIRALDELO, L. A.; LOPES, L. G.; ROCHA, L.; CHAGAS, A. C. de S. Atividade carrapaticida in vitro de nanoemulsão à base de óleo essencial de Ocotea elegans (Lauraceae) sobre larvas de Rhipicephalus (Boophilus) microplus. In: JORNADA PAULISTA DE PLANTAS MEDICINAIS "PROFESSOR DR. FRANCISCO JOSÉ DE ABREU MATOS", 13., 2017, Araraquara. Resumos... Araraquara: Unesp, 2017. p.55.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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Registros recuperados : 18 | |
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