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dc.contributor.authorTAVARES, J. M. R.
dc.contributor.authorLOPES, J. da C.
dc.contributor.authorBELLI FILHO, P.
dc.contributor.authorCOLDEBELLA, A.
dc.contributor.authorOLIVEIRA, P. A. V. de
dc.date.accessioned2023-04-19T12:52:18Z-
dc.date.available2023-04-19T12:52:18Z-
dc.date.created2023-04-19
dc.date.issued2023
dc.identifier.citationWater, v. 15, n. 278, 2023.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1153228-
dc.descriptionAbstract: The aim of this study was to fit water disappearance and manure production curves at growing?finishing commercial pig farms and compare the curve that best describes the evolution of parameters evaluated, according to three variables: age, body weight, and pigs? housing period. Accordingly, 33 production cycles were evaluated considering a housing period of 105 days (13,276 pigs?nine weeks old and 24.5 kg average body weight) during 13 months in 15 commercial pig farms located in southern Brazil. The variables analyzed were used to adjust the water disappearance and manure production curves (Brody, Gompertz, Logistic, Richards, and Von Bertalanffy) and to estimate its biological parameters according to the NLMIXED SAS procedures. It was found that the Logistic model was the one that best described both the water disappearance and the manure production, displaying an asymptotic adjustment and estimated values measured in farms, e.g., pigs age (water: R² = 0.989, absolute error: 1.11 L/pig/day, and prediction error = 1.32%; manure: R² = 0.995, absolute error = 0.04 L/pig/day, and prediction error = 0.96%). It is emphasized that the models determined in this research are the basis of the development of an instantaneous measuring device that allows the producer to visualize both the water disappearance (plotting the daily measures) as well as manure production in the farm and compare the values with the estimated curves.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectPig production
dc.subjectProdução de estrume
dc.subjectManure production
dc.subjectGranjas comerciais de suínos
dc.titleWater disappearance and manure production at growing?finishing commercial pig farms in Brazil a simplified model approach.
dc.typeArtigo de periódico
dc.subject.thesagroProdução Animal
dc.subject.thesagroSuinocultura
dc.subject.thesagroFator de Crescimento
dc.subject.thesagroAbastecimento de Água
dc.subject.thesagroDisponibilidade de Água
dc.subject.thesagroEsterco
dc.subject.thesagroDejeto
dc.subject.nalthesaurusSwine production
dc.subject.nalthesaurusGrowth and development
dc.subject.nalthesaurusNonlinear models
dc.subject.nalthesaurusAnimal growth
dc.subject.nalthesaurusRural water supply
dc.subject.nalthesaurusGroundwater
dc.subject.nalthesaurusCommercial farms
riaa.ainfo.id1153228
riaa.ainfo.lastupdate2023-04-19
dc.identifier.doihttps://doi.org/10.3390/w15020278
dc.contributor.institutionJORGE MANUEL RODRIGUES TAVARES, Instituto Politécnico de Beja; JANICE DA CONCEIÇÃO LOPES, Universidade da Beira Interior; PAULO BELLI FILHO, Universidade Federal de Santa Catarina; ARLEI COLDEBELLA, CNPSA; PAULO ARMANDO VICTORIA DE OLIVEIRA, CNPSA.
Aparece nas coleções:Artigo em periódico indexado (CNPSA)

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