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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos; Embrapa Pantanal. |
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Data corrente: |
07/05/2019 |
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Data da última atualização: |
10/12/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ARAÚJO, A. R.; RODRIGUEZ, N. M.; ROGERIO, M. C. P.; BORGES, I.; SALIBA. E. O. S.; SANTOS, S. A.; POMPEU, R. C. F. F.; FERNANDES, F. E. P.; MONTEIRO, J. P.; MUIR, J. P. |
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Afiliação: |
A. R. ARAÚJO, Universidade Estadual Vale do Acaraú - UVA; N. M. RODRIGUEZ, UFMG; MARCOS CLAUDIO PINHEIRO ROGERIO, CNPC; I. BORGES, UFMG; E. O. S. SALIBA, UFMG; SANDRA APARECIDA SANTOS, CPAP; ROBERTO CLAUDIO FERNANDES F POMPEU, CNPC; FRANCISCO EDEN PAIVA FERNANDES, CNPC; JOMAR PATRICIO MONTEIRO, CNPC; J. P. MUIR, Texas A&M AgriLife Research. |
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Título: |
Nutritional evaluation and productivity of supplemented sheep grazing in semiarid rangeland of northeastern Brazil. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Tropical Animal Health and Production, v. 51, p. 957-966, 2019. |
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DOI: |
0.1007/s11250-018-1781-6 |
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Idioma: |
Inglês |
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Conteúdo: |
Sheep production systems in Brazilian caatinga rangelands require supplementation adapted to changes in floristic and chemical composition as dry seasons progress. Meeting sheep nutritional needs in extensive semiarid systems is challenging because of sheep dietary preferences and habits. The objective of this trial was to evaluate the substitutive effect of concentrate supplementation on grazing sheep in the Brazilian caatinga rangeland and its consequences on performance in different seasons. The trial was conducted from March to August 2013 at Embrapa Goat and Sheep in Sobral, Ceará State, Brazil. Thirty-two Brazilian Somali multiparous ewes were submitted to estrus synchronization and controlled breeding. At the start of the trial, ewes averaged 30.45 + 2.60 kg body weight (BW). Ewes were divided into four groups and individually offered 0, 200, 350, or 500 g supplement head?1 day?1. Intake prediction and digestibility trials were evaluated at three periods: rainy season (April), transition rainy-dry (June), and dry season (August). Sheep weights were taken every 14 days to measure their performance from late gestation until weaning. Ewe BW and body condition score changes were determined too. Lamb BW changes were also measured every 14 days from birth through weaning. A completely randomized design with split plot arrangement using eight replications was used for intake and digestibility measurements. The differences between supplement offered (0, 200, 350, and 500 g sheep-1) and season (rainy, transition rainy-dry, and dry) were submitted to analyses of variance and multiple means were separated, where differences were detected, using the Tukey?s test. During lactation up through weaning, ewes supplemented at 500 g day?1 had greater BWthan ewes without supplement. Ewes supplemented with 200 g concentrate head?1 day?1 had 9.1% greater (P ? 0.05) BWat weaning and their lambs had 19.7% greater birth and 16.6% heavier wean BWdespite lower dry matter intake compared to unsupplemented animals. Supplementation with 200 g concentrate increased carrying capacity by 28.8% during the dry season and by 20.5% during the rainy season. This study confirmed that in the dry season, when quality of rangeland forages decreases, supplementation contributes to greater DMI, improves postpartum and lactation BW recovery of ewes, and contributes to greater lamb birth and wean weights. Moreover, supplementation leads to feed substitution effects that may increase rangeland resilience by mitigating overgrazing. Supplementation with 200 g concentrate can also prevent negative energy balance for grazing animals, improving longer postnatal recovery, longer intervals between parturitions, fewer double and is necessary to ensure a better BWat birth to lambs. MenosSheep production systems in Brazilian caatinga rangelands require supplementation adapted to changes in floristic and chemical composition as dry seasons progress. Meeting sheep nutritional needs in extensive semiarid systems is challenging because of sheep dietary preferences and habits. The objective of this trial was to evaluate the substitutive effect of concentrate supplementation on grazing sheep in the Brazilian caatinga rangeland and its consequences on performance in different seasons. The trial was conducted from March to August 2013 at Embrapa Goat and Sheep in Sobral, Ceará State, Brazil. Thirty-two Brazilian Somali multiparous ewes were submitted to estrus synchronization and controlled breeding. At the start of the trial, ewes averaged 30.45 + 2.60 kg body weight (BW). Ewes were divided into four groups and individually offered 0, 200, 350, or 500 g supplement head?1 day?1. Intake prediction and digestibility trials were evaluated at three periods: rainy season (April), transition rainy-dry (June), and dry season (August). Sheep weights were taken every 14 days to measure their performance from late gestation until weaning. Ewe BW and body condition score changes were determined too. Lamb BW changes were also measured every 14 days from birth through weaning. A completely randomized design with split plot arrangement using eight replications was used for intake and digestibility measurements. The differences between supplement offered (0, 200, 350, and 500 g sh... Mostrar Tudo |
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Thesaurus Nal: |
Nutrition; Sheep. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 03593naa a2200265 a 4500
001 2116416
005 2019-12-10
008 2019 bl uuuu u00u1 u #d
024 7 $a0.1007/s11250-018-1781-6$2DOI
100 1 $aARAÚJO, A. R.
245 $aNutritional evaluation and productivity of supplemented sheep grazing in semiarid rangeland of northeastern Brazil.$h[electronic resource]
260 $c2019
520 $aSheep production systems in Brazilian caatinga rangelands require supplementation adapted to changes in floristic and chemical composition as dry seasons progress. Meeting sheep nutritional needs in extensive semiarid systems is challenging because of sheep dietary preferences and habits. The objective of this trial was to evaluate the substitutive effect of concentrate supplementation on grazing sheep in the Brazilian caatinga rangeland and its consequences on performance in different seasons. The trial was conducted from March to August 2013 at Embrapa Goat and Sheep in Sobral, Ceará State, Brazil. Thirty-two Brazilian Somali multiparous ewes were submitted to estrus synchronization and controlled breeding. At the start of the trial, ewes averaged 30.45 + 2.60 kg body weight (BW). Ewes were divided into four groups and individually offered 0, 200, 350, or 500 g supplement head?1 day?1. Intake prediction and digestibility trials were evaluated at three periods: rainy season (April), transition rainy-dry (June), and dry season (August). Sheep weights were taken every 14 days to measure their performance from late gestation until weaning. Ewe BW and body condition score changes were determined too. Lamb BW changes were also measured every 14 days from birth through weaning. A completely randomized design with split plot arrangement using eight replications was used for intake and digestibility measurements. The differences between supplement offered (0, 200, 350, and 500 g sheep-1) and season (rainy, transition rainy-dry, and dry) were submitted to analyses of variance and multiple means were separated, where differences were detected, using the Tukey?s test. During lactation up through weaning, ewes supplemented at 500 g day?1 had greater BWthan ewes without supplement. Ewes supplemented with 200 g concentrate head?1 day?1 had 9.1% greater (P ? 0.05) BWat weaning and their lambs had 19.7% greater birth and 16.6% heavier wean BWdespite lower dry matter intake compared to unsupplemented animals. Supplementation with 200 g concentrate increased carrying capacity by 28.8% during the dry season and by 20.5% during the rainy season. This study confirmed that in the dry season, when quality of rangeland forages decreases, supplementation contributes to greater DMI, improves postpartum and lactation BW recovery of ewes, and contributes to greater lamb birth and wean weights. Moreover, supplementation leads to feed substitution effects that may increase rangeland resilience by mitigating overgrazing. Supplementation with 200 g concentrate can also prevent negative energy balance for grazing animals, improving longer postnatal recovery, longer intervals between parturitions, fewer double and is necessary to ensure a better BWat birth to lambs.
650 $aNutrition
650 $aSheep
700 1 $aRODRIGUEZ, N. M.
700 1 $aROGERIO, M. C. P.
700 1 $aBORGES, I.
700 1 $aSALIBA. E. O. S.
700 1 $aSANTOS, S. A.
700 1 $aPOMPEU, R. C. F. F.
700 1 $aFERNANDES, F. E. P.
700 1 $aMONTEIRO, J. P.
700 1 $aMUIR, J. P.
773 $tTropical Animal Health and Production$gv. 51, p. 957-966, 2019.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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| 1. |  | MONTEIRO, J. P. Managing resistance to anthelmintics, control and coexistence. In: INTERNATIONAL CONFERENCE OF NOVEL APPROACHES TO THE CONTROL OF HELMINTH PARASITES OF LIVESTOCK (NA9), 9., 2024, Grenada, West Indies. [Abstracts...]. Grenada, West Indies: St. George’s University, School of Veterinary Medicine, 2024. p. 28.| Tipo: Resumo em Anais de Congresso |
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| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 18. | | FROTA, G. A.; VASCONCELOS, J. F.; SANTOS, J. M. L.; TEIXEIRA, M.; VIEIRA, L. da S.; MONTEIRO, J. P. Atividade biológica do ácido anacárdico contra diferentes isolados de Haemonchus contortus. In: ENCONTRO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA CAPRINOS E OVINOS, 8., 2019, Sobral. Anais... Sobral: Embrapa Caprinos e Ovinos, 2019.p. 33. (Embrapa Caprinos e Ovinos. Documentos, 126).| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 19. | | ALBUQUERQUE, L. B.; SILVA, A. C.; SANTOS, V. O.; FROTA, G. A.; VIEIRA, L. da S.; MONTEIRO, J. P. Adaptação de teste in vitro para melhor desenvolvimento de larvas de Haemonchus contortus. In: ENCONTRO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA CAPRINOS E OVINOS, 9., 2020, Sobral. Anais... Sobral: Embrapa Caprinos e Ovinos, 2021. p. 34-35. Embrapa Caprinos e Ovinos. Documentos, 140).| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 20. | | TEIXEIRA, M.; MONTEIRO, J. P.; CATENACCI, L. S.; RODRIGUES, M. de L. de A.; SATO, M. de C. B. Ascaridiasis in peafowl Pavo cristatus (Phasianidae) due to Ascaridia galli Schrank, 1788. Journal of Zoo and Wildlife Medicine, Lawrence, v. 43, n. 3, p. 585-587, Set. 2012.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
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