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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
04/11/2024 |
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Data da última atualização: |
12/12/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ROMANELLO, N.; BARRETO, A. do N.; BALIEIRO, J. C. de C.; BRANDÃO, F. Z.; ANDRADE, A. F. C. de; ZAPPATERRA, M.; GARCIA, A. R. |
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Afiliação: |
NARIAN ROMANELLO, UNIVERSIDADE DE SÃO PAULO; ANDRÉA DO NASCIMENTO BARRETO, UNIVERSIDADE FEDERAL DO PARÁ; JÚLIO CESAR DE CARVALHO BALIEIRO, UNIVERSIDADE DE SÃO PAULO; FELIPE ZANDONADI BRANDÃO, UNIVERSIDADE FEDERAL FLUMINENSE; ANDRÉ FURUGEN CESAR DE ANDRADE, UNIVERSIDADE DE SÃO PAULO; MARTINA ZAPPATERRA, UNIVERSITY OF BOLOGNA; ALEXANDRE ROSSETTO GARCIA, CPPSE. |
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Título: |
Effect of access to natural shade on scrotal thermoregulatory capacity, integrity of the testicular parenchyma and sperm morphology of Nelore (Bos indicus) and Canchim (Bos taurus x Bos indicus) bulls. |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
International Journal of Biometeorology, v. 68, p. 2431-2446, 2024. |
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ISSN: |
1432-1254 |
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DOI: |
https://doi.org/10.1007/s00484-024-02759-6 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this work was to evaluate the effect of using naturally shaded pastures on scrotal thermoregulatory capacity, testicular echotexture, and sperm morphology of Nelore (Bos indicus) and Canchim (5/8 Bos taurus x 3/8 Bos indicus) bulls in a tropical climate region. Sixty-four adult Nelore and Canchim bulls were used, equally allocated in Full Sun (FS, n = 32) or Crop-Livestock-Forestry (CLF, n = 32) pasture systems. During five consecutive climate seasons, the bulls underwent monthly breeding soundness evaluations and the biometeorological variables in the systems were continuously monitored. Microclimate was significantly different between systems. CLF system had lower BGHI than FS throughout the experimental period. No triple interaction (Season x Breed x Treatment, P > 0.05) was observed for any of the variables. Animals in CLF showed lower body temperature in Summer (FS:39.41 ± 0.05 vs. CLF:39.30 ± 0.05 °C; P = 0.005) and in Autumn (FS:39.54 ± 0.05 vs. CLF:39.35 ± 0.05 °C; P = 0.005). Access to shading did not determine differences in the evolution of scrotal biometry, temperatures, and scrotal thermal gradients (P > 0.05). Regardless of breed, animals in CLF showed greater right testicular volume (FS:247.5 ± 5.7 vs. CLF:259.0 ± 5.7 cm³; P < 0.05), more suitable parenchyma echotexture, and fewer microlithiasis spots in the Spring and Summer. Testosterone concentration was higher in FS (FS:2.6 ± 0.2 vs. CLF:2.1 ± 0.2 ng/mL; P = 0.035). Canchim bulls presented higher total sperm defects during the Autumn and Winter (P = 0.010), but the total defects levels for Canchim and Nelore bulls were in normal range for adult bulls. Thus, the natural shade in CLF system was effective in improving the microclimate of pastures and minimizing adverse environmental effects on some reproductive features of interest in beef cattle. MenosThe objective of this work was to evaluate the effect of using naturally shaded pastures on scrotal thermoregulatory capacity, testicular echotexture, and sperm morphology of Nelore (Bos indicus) and Canchim (5/8 Bos taurus x 3/8 Bos indicus) bulls in a tropical climate region. Sixty-four adult Nelore and Canchim bulls were used, equally allocated in Full Sun (FS, n = 32) or Crop-Livestock-Forestry (CLF, n = 32) pasture systems. During five consecutive climate seasons, the bulls underwent monthly breeding soundness evaluations and the biometeorological variables in the systems were continuously monitored. Microclimate was significantly different between systems. CLF system had lower BGHI than FS throughout the experimental period. No triple interaction (Season x Breed x Treatment, P > 0.05) was observed for any of the variables. Animals in CLF showed lower body temperature in Summer (FS:39.41 ± 0.05 vs. CLF:39.30 ± 0.05 °C; P = 0.005) and in Autumn (FS:39.54 ± 0.05 vs. CLF:39.35 ± 0.05 °C; P = 0.005). Access to shading did not determine differences in the evolution of scrotal biometry, temperatures, and scrotal thermal gradients (P > 0.05). Regardless of breed, animals in CLF showed greater right testicular volume (FS:247.5 ± 5.7 vs. CLF:259.0 ± 5.7 cm³; P < 0.05), more suitable parenchyma echotexture, and fewer microlithiasis spots in the Spring and Summer. Testosterone concentration was higher in FS (FS:2.6 ± 0.2 vs. CLF:2.1 ± 0.2 ng/mL; P = 0.035). Canchim bulls presented... Mostrar Tudo |
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Palavras-Chave: |
Afforested pastures; ILPF; Infrared thermography; Sperm morphology. |
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Thesagro: |
Bos Indicus; Bos Taurus; Gado Canchim; Gado Nelore. |
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Thesaurus Nal: |
Bulls; Pastures; Silvopastoral systems; Thermoregulation. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 03111naa a2200361 a 4500
001 2168756
005 2024-12-12
008 2024 bl uuuu u00u1 u #d
022 $a1432-1254
024 7 $ahttps://doi.org/10.1007/s00484-024-02759-6$2DOI
100 1 $aROMANELLO, N.
245 $aEffect of access to natural shade on scrotal thermoregulatory capacity, integrity of the testicular parenchyma and sperm morphology of Nelore (Bos indicus) and Canchim (Bos taurus x Bos indicus) bulls.$h[electronic resource]
260 $c2024
520 $aThe objective of this work was to evaluate the effect of using naturally shaded pastures on scrotal thermoregulatory capacity, testicular echotexture, and sperm morphology of Nelore (Bos indicus) and Canchim (5/8 Bos taurus x 3/8 Bos indicus) bulls in a tropical climate region. Sixty-four adult Nelore and Canchim bulls were used, equally allocated in Full Sun (FS, n = 32) or Crop-Livestock-Forestry (CLF, n = 32) pasture systems. During five consecutive climate seasons, the bulls underwent monthly breeding soundness evaluations and the biometeorological variables in the systems were continuously monitored. Microclimate was significantly different between systems. CLF system had lower BGHI than FS throughout the experimental period. No triple interaction (Season x Breed x Treatment, P > 0.05) was observed for any of the variables. Animals in CLF showed lower body temperature in Summer (FS:39.41 ± 0.05 vs. CLF:39.30 ± 0.05 °C; P = 0.005) and in Autumn (FS:39.54 ± 0.05 vs. CLF:39.35 ± 0.05 °C; P = 0.005). Access to shading did not determine differences in the evolution of scrotal biometry, temperatures, and scrotal thermal gradients (P > 0.05). Regardless of breed, animals in CLF showed greater right testicular volume (FS:247.5 ± 5.7 vs. CLF:259.0 ± 5.7 cm³; P < 0.05), more suitable parenchyma echotexture, and fewer microlithiasis spots in the Spring and Summer. Testosterone concentration was higher in FS (FS:2.6 ± 0.2 vs. CLF:2.1 ± 0.2 ng/mL; P = 0.035). Canchim bulls presented higher total sperm defects during the Autumn and Winter (P = 0.010), but the total defects levels for Canchim and Nelore bulls were in normal range for adult bulls. Thus, the natural shade in CLF system was effective in improving the microclimate of pastures and minimizing adverse environmental effects on some reproductive features of interest in beef cattle.
650 $aBulls
650 $aPastures
650 $aSilvopastoral systems
650 $aThermoregulation
650 $aBos Indicus
650 $aBos Taurus
650 $aGado Canchim
650 $aGado Nelore
653 $aAfforested pastures
653 $aILPF
653 $aInfrared thermography
653 $aSperm morphology
700 1 $aBARRETO, A. do N.
700 1 $aBALIEIRO, J. C. de C.
700 1 $aBRANDÃO, F. Z.
700 1 $aANDRADE, A. F. C. de
700 1 $aZAPPATERRA, M.
700 1 $aGARCIA, A. R.
773 $tInternational Journal of Biometeorology$gv. 68, p. 2431-2446, 2024.
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Embrapa Pecuária Sudeste (CPPSE) |
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| Registros recuperados : 8 | |
| 6. |  | LIMA, J. de F.; SANTOS, U. R. A. dos; CASTILHO, C. de L.; MATOS, C. S.; SILVA, D. R. da; MORAES, R. Parâmetros de qualidade de água no cultivo de tambaqui e alface em sistema de aquaponia. In: JORNADA CIENTÍFICA DA EMBRAPA AMAPÁ, 4., 2018, Macapá. Resumos... Macapá: Embrapa Amapá, 2019. p. 26. Editores técnicos: Adilson Lopes Lima e Ricardo Adaime.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Amapá. |
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| 7. | | COSTA, D. P. da; CASTILHO, C. de L.; SANTOS, U. R. A. dos; GEMAQUE, T. C.; DAMASCENO, L. F.; LIMA, J. de F.; MIRANDA FILHO, K. C. Effect of dietary carotenoids on reproducers of Amazon River prawn Macrobrachium amazonicum. Part 1: metabolism,morphometric / zootechnical indexes, body composition and gametes. Journal of Agricultural Studies, v. 9, n. 2, p. 32-56, 2021.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: C - 0 |
| Biblioteca(s): Embrapa Amapá. |
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| 8. | | COSTA, D. P. da; CASTILHO, C. de L.; SANTOS, U. R. A. dos; GEMAQUE, T. C.; DAMASCENO, L. F.; LIMA, J. de F.; MIRANDA FILHO, K. C. Effect of dietary carotenoids on reproducers of Amazon River prawn Macrobrachium amazonicum. Part 2: external coloration, accumulation of astaxanthin in body tissues and pigment stability in feed. Journal of Agricultural Studies, v. 9, n. 2, p. 57-72, 2021.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: C - 0 |
| Biblioteca(s): Embrapa Amapá. |
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| Registros recuperados : 8 | |
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