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Registro Completo |
Biblioteca(s): |
Embrapa Suínos e Aves. |
Data corrente: |
09/05/2017 |
Data da última atualização: |
11/05/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
MONTEIRO, A. N. T. R.; BERTOL, T. M.; OLIVEIRA, P. A. V. de; DOURMAD, J. Y.; COLDEBELLA, A.; KESSLER, A. M. |
Afiliação: |
ALESSANDRA NARDINA TRICIA RIGO MONTEIRO, UFRGS/Faculdade de veterinária; TERESINHA MARISA BERTOL, CNPSA; PAULO ARMANDO VICTORIA DE OLIVEIRA, CNPSA; JEAN-YVES DOURMAD, INRA; ARLEI COLDEBELLA, CNPSA; ALEXANDRE MELLO KESSLER, UFRGS/Faculdade de veterinária. |
Título: |
The impact of feeding growing-finishing pigs with reduced dietary protein levels on performance, carcass traits, meat quality and environmental impacts. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
Livestock Science, v. 198, p. 162-169, 2017. |
DOI: |
http://dx.doi.org/10.1016/j.livsci.2017.02.014 |
Idioma: |
Inglês |
Conteúdo: |
Abstract: The objective of this study was to evaluate the effect of reducing dietary nutrient content for pigs from 25 to 130 kg live weight, on performance, carcass traits, meat quality and environmental impact. Forty gilts and 40 barrows were distributed in a randomized block design with two treatments and 10 replications per treatment, with four animals per experimental unit. The feeding program was in four phases. Two diets were formulated for each feeding phase. One was adjusted using the InraPorc® model to minimize crude protein, amino acid and phosphorus excess (LN), and the other (ST) was formulated with standard Brazilian recommendations. No differences were found on performance. The mean ADG and ADFI were 0.919 and 2.46 kg/day, respectively. Carcass characteristics and meat quality were also not affected by the experimental diets. The average total feed cost was 6.8% lower (P < 0.05) for animals fed the LN diets. For nitrogen and phosphorus balance, there was no statistical difference in retention, but the nitrogen and phosphorus intake were 15.8% and 9.42% lower for pigs fed LN diets, respectively, and the excretion levels were 24.1% and 14.6% lower for pigs fed LN diets, respectively. Life cycle assessment showed that LN strategy can reduce the environmental impacts of climate change and terrestrial ecotoxicity by about 4%, acidification and eutrophication by 8% and 10%, respectively, and land occupation by 9%. Data suggest that nutritional adjustment is a valuable alternative to standard formulations, without affecting performance, but lowering costs and reducing environmental burdens. MenosAbstract: The objective of this study was to evaluate the effect of reducing dietary nutrient content for pigs from 25 to 130 kg live weight, on performance, carcass traits, meat quality and environmental impact. Forty gilts and 40 barrows were distributed in a randomized block design with two treatments and 10 replications per treatment, with four animals per experimental unit. The feeding program was in four phases. Two diets were formulated for each feeding phase. One was adjusted using the InraPorc® model to minimize crude protein, amino acid and phosphorus excess (LN), and the other (ST) was formulated with standard Brazilian recommendations. No differences were found on performance. The mean ADG and ADFI were 0.919 and 2.46 kg/day, respectively. Carcass characteristics and meat quality were also not affected by the experimental diets. The average total feed cost was 6.8% lower (P < 0.05) for animals fed the LN diets. For nitrogen and phosphorus balance, there was no statistical difference in retention, but the nitrogen and phosphorus intake were 15.8% and 9.42% lower for pigs fed LN diets, respectively, and the excretion levels were 24.1% and 14.6% lower for pigs fed LN diets, respectively. Life cycle assessment showed that LN strategy can reduce the environmental impacts of climate change and terrestrial ecotoxicity by about 4%, acidification and eutrophication by 8% and 10%, respectively, and land occupation by 9%. Data suggest that nutritional adjustment is a valuab... Mostrar Tudo |
Palavras-Chave: |
Carcasses. |
Thesagro: |
Agricultura sustentável; Carcaça; Dieta; Meio ambiente; Nutrição animal; Sistema de produção; Suíno. |
Thesaurus Nal: |
Animal nutrition; Diet; Environmental sustainability; Swine production. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02679naa a2200337 a 4500 001 2069421 005 2017-05-11 008 2017 bl uuuu u00u1 u #d 024 7 $ahttp://dx.doi.org/10.1016/j.livsci.2017.02.014$2DOI 100 1 $aMONTEIRO, A. N. T. R. 245 $aThe impact of feeding growing-finishing pigs with reduced dietary protein levels on performance, carcass traits, meat quality and environmental impacts.$h[electronic resource] 260 $c2017 520 $aAbstract: The objective of this study was to evaluate the effect of reducing dietary nutrient content for pigs from 25 to 130 kg live weight, on performance, carcass traits, meat quality and environmental impact. Forty gilts and 40 barrows were distributed in a randomized block design with two treatments and 10 replications per treatment, with four animals per experimental unit. The feeding program was in four phases. Two diets were formulated for each feeding phase. One was adjusted using the InraPorc® model to minimize crude protein, amino acid and phosphorus excess (LN), and the other (ST) was formulated with standard Brazilian recommendations. No differences were found on performance. The mean ADG and ADFI were 0.919 and 2.46 kg/day, respectively. Carcass characteristics and meat quality were also not affected by the experimental diets. The average total feed cost was 6.8% lower (P < 0.05) for animals fed the LN diets. For nitrogen and phosphorus balance, there was no statistical difference in retention, but the nitrogen and phosphorus intake were 15.8% and 9.42% lower for pigs fed LN diets, respectively, and the excretion levels were 24.1% and 14.6% lower for pigs fed LN diets, respectively. Life cycle assessment showed that LN strategy can reduce the environmental impacts of climate change and terrestrial ecotoxicity by about 4%, acidification and eutrophication by 8% and 10%, respectively, and land occupation by 9%. Data suggest that nutritional adjustment is a valuable alternative to standard formulations, without affecting performance, but lowering costs and reducing environmental burdens. 650 $aAnimal nutrition 650 $aDiet 650 $aEnvironmental sustainability 650 $aSwine production 650 $aAgricultura sustentável 650 $aCarcaça 650 $aDieta 650 $aMeio ambiente 650 $aNutrição animal 650 $aSistema de produção 650 $aSuíno 653 $aCarcasses 700 1 $aBERTOL, T. M. 700 1 $aOLIVEIRA, P. A. V. de 700 1 $aDOURMAD, J. Y. 700 1 $aCOLDEBELLA, A. 700 1 $aKESSLER, A. M. 773 $tLivestock Science$gv. 198, p. 162-169, 2017.
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