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Registro Completo |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
29/04/2024 |
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Data da última atualização: |
29/04/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MORAES, M. J.; CASTILHO, E. F. DE; BALIEIRO, J. C. DE C.; BERNARDI, A. C. de C.; BARRETO, A. DO N.; PINHO, L. F.; RAMOS, G. G.; AZEVEDO, G. N.; ZANETTI, L. K.; GARCIA, A. R. |
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Afiliação: |
MARIANA JUCÁ MORAES, UNIVERSIDADE FEDERAL DO PARÁ; ERICK FONSECA DE CASTILHO, UNIVERSIDADE FEDERAL RURAL DA AMAZÔNIA; JÚLIO CESAR DE CARVALHO BALIEIRO, UNIVERSIDADE DE SÃO PAULO; ALBERTO CARLOS DE CAMPOS BERNARDI, CPPSE; ANDRÉA DO NASCIMENTO BARRETO, UNIVERSIDADE FEDERAL DO PARÁ; LÍVIA FERREIRA PINHO, UNIVERSIDADE FEDERAL DO PARÁ; GIOVANNA GALHARDO RAMOS, UNIVERSIDADE DE SÃO PAULO; GABRIELA NOVAIS AZEVEDO, CENTRO UNIVERSITÁRIO CENTRAL PAULISTA; LETÍCIA KRÜGNER ZANETTI, CENTRO UNIVERSITÁRIO CENTRAL PAULISTA; ALEXANDRE ROSSETTO GARCIA, CPPSE. |
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Título: |
Differences in the behavioral parameters of young Zebu and composite bulls kept on Non-Forested or in Integrated Crop–Livestock–Forestry Systems. |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
Animals, v. 14, n. 6, 2024. |
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Páginas: |
19 p. |
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DOI: |
10.3390/ani14060944 |
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Idioma: |
Inglês |
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Conteúdo: |
The behavior of ruminants can influence their productive efficiency. The aim of this study was to evaluate the behavior of young zebu and composite bulls kept in pasture production systems, either in a crop-livestock-forest integration or without afforestation. The work was carried out in São Carlos, Brazil (21°57′42″ S, 47°50′28″ W), in a high-altitude tropical climate, from March to July, 2022. Forty young bulls were evaluated, being 20 Nelore (Bos indicus) (342.5 ± 36.6 kg BW; 16.9 ± 1.8 months) and 20 Canchim (5/8 Bos taurus × 3/8 Bos indicus) (338.4 ± 39.8 kg BW; 19.1 ± 1.9 months), equally distributed in full-sun (FS) and integrated crop–livestock–forestry (ICLF) production systems. Behavior was monitored uninterruptedly by an acoustic sensor and accelerometer attached to a collar, and complemented by direct visual assessment, in two one-day campaigns per month. Serum cortisol concentration was assessed monthly. Statistical analyses were conducted using a general linear model at a 5% significance level (SAS, version 9.4). The ICLF system had a milder microclimate and favored thermal comfort. Natural shading influenced grazing, resting, and rumination time. The Canchim bulls were more active when moving and grazing (p < 0.05), even at the hottest times of the day. In turn, the Nelore bulls spent more time resting at all times (p < 0.001), which was shown to be an adaptive strategy in response to environmental stimuli. The Canchim bulls had a longer rumination time than the Nelore bulls (p < 0.001), due to their longer grazing time. The frequency of water and mineral mixture intake did not differ between genotypes, regardless of the production system (p > 0.05). There was no difference in the serum cortisol concentrations of the Nelore and Canchim bulls kept in FS or ICLF (p = 0.082). Thus, young bulls of the different genotypes showed different behaviors, regardless of whether they were kept on pasture without afforestation or in an integrated crop–livestock–forestry system. MenosThe behavior of ruminants can influence their productive efficiency. The aim of this study was to evaluate the behavior of young zebu and composite bulls kept in pasture production systems, either in a crop-livestock-forest integration or without afforestation. The work was carried out in São Carlos, Brazil (21°57′42″ S, 47°50′28″ W), in a high-altitude tropical climate, from March to July, 2022. Forty young bulls were evaluated, being 20 Nelore (Bos indicus) (342.5 ± 36.6 kg BW; 16.9 ± 1.8 months) and 20 Canchim (5/8 Bos taurus × 3/8 Bos indicus) (338.4 ± 39.8 kg BW; 19.1 ± 1.9 months), equally distributed in full-sun (FS) and integrated crop–livestock–forestry (ICLF) production systems. Behavior was monitored uninterruptedly by an acoustic sensor and accelerometer attached to a collar, and complemented by direct visual assessment, in two one-day campaigns per month. Serum cortisol concentration was assessed monthly. Statistical analyses were conducted using a general linear model at a 5% significance level (SAS, version 9.4). The ICLF system had a milder microclimate and favored thermal comfort. Natural shading influenced grazing, resting, and rumination time. The Canchim bulls were more active when moving and grazing (p < 0.05), even at the hottest times of the day. In turn, the Nelore bulls spent more time resting at all times (p < 0.001), which was shown to be an adaptive strategy in response to environmental stimuli. The Canchim bulls had a longer rumination time than ... Mostrar Tudo |
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Palavras-Chave: |
Adaptive capacity; Cattle management; Precision livestock farming; Sustainability. |
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Thesaurus Nal: |
Animal behavior; Beef cattle. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1163947/1/DifferencesBehavioralParameters.pdf
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Marc: |
LEADER 03030naa a2200325 a 4500
001 2163947
005 2024-04-29
008 2024 bl uuuu u00u1 u #d
024 7 $a10.3390/ani14060944$2DOI
100 1 $aMORAES, M. J.
245 $aDifferences in the behavioral parameters of young Zebu and composite bulls kept on Non-Forested or in Integrated Crop–Livestock–Forestry Systems.$h[electronic resource]
260 $c2024
300 $a19 p.
520 $aThe behavior of ruminants can influence their productive efficiency. The aim of this study was to evaluate the behavior of young zebu and composite bulls kept in pasture production systems, either in a crop-livestock-forest integration or without afforestation. The work was carried out in São Carlos, Brazil (21°57′42″ S, 47°50′28″ W), in a high-altitude tropical climate, from March to July, 2022. Forty young bulls were evaluated, being 20 Nelore (Bos indicus) (342.5 ± 36.6 kg BW; 16.9 ± 1.8 months) and 20 Canchim (5/8 Bos taurus × 3/8 Bos indicus) (338.4 ± 39.8 kg BW; 19.1 ± 1.9 months), equally distributed in full-sun (FS) and integrated crop–livestock–forestry (ICLF) production systems. Behavior was monitored uninterruptedly by an acoustic sensor and accelerometer attached to a collar, and complemented by direct visual assessment, in two one-day campaigns per month. Serum cortisol concentration was assessed monthly. Statistical analyses were conducted using a general linear model at a 5% significance level (SAS, version 9.4). The ICLF system had a milder microclimate and favored thermal comfort. Natural shading influenced grazing, resting, and rumination time. The Canchim bulls were more active when moving and grazing (p < 0.05), even at the hottest times of the day. In turn, the Nelore bulls spent more time resting at all times (p < 0.001), which was shown to be an adaptive strategy in response to environmental stimuli. The Canchim bulls had a longer rumination time than the Nelore bulls (p < 0.001), due to their longer grazing time. The frequency of water and mineral mixture intake did not differ between genotypes, regardless of the production system (p > 0.05). There was no difference in the serum cortisol concentrations of the Nelore and Canchim bulls kept in FS or ICLF (p = 0.082). Thus, young bulls of the different genotypes showed different behaviors, regardless of whether they were kept on pasture without afforestation or in an integrated crop–livestock–forestry system.
650 $aAnimal behavior
650 $aBeef cattle
653 $aAdaptive capacity
653 $aCattle management
653 $aPrecision livestock farming
653 $aSustainability
700 1 $aCASTILHO, E. F. DE
700 1 $aBALIEIRO, J. C. DE C.
700 1 $aBERNARDI, A. C. de C.
700 1 $aBARRETO, A. DO N.
700 1 $aPINHO, L. F.
700 1 $aRAMOS, G. G.
700 1 $aAZEVEDO, G. N.
700 1 $aZANETTI, L. K.
700 1 $aGARCIA, A. R.
773 $tAnimals$gv. 14, n. 6, 2024.
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Embrapa Pecuária Sudeste (CPPSE) |
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