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Substituição do soro de leite e lactose pela combinação de ingredientes energéticos e protéicos em rações de leitões na fase de creche

Authors: Girão, Lúcio Vilela Carneiro;

Substituição do soro de leite e lactose pela combinação de ingredientes energéticos e protéicos em rações de leitões na fase de creche

Abstract

The objective of this work was to evaluate parameters for weanling pigs performance and digestibility of pre-initial (PI) and initial (I) diets containing a combination of energetic and protein ingredients to substitute the dried whey and lactose. One hundred and eight weanling pigs aging about 21 days old and with average weight of 6.02 ± 0.40 kg distributed in a randomized complete block design of four treatments: control with dried whey and lactose; whey protein concentrated, maltodextrin and an energetic blend containing maltodextrin and corn oil; gluten meal 60% CP, maltodextrin and energetic blend containing maltodextrin and corn oil; protein energetic blend containing maltodextrin, corn steep liquor and corn oil. Collection of feces was done during the experiment period (0-17 days old and 18-29 days old) in order to determine digestibility. Such assess was done using 0.1% Chromium (III) oxide as a marker in the feed. The assessed performance parameters were: daily feed intake (DFI), daily weight gain (DWG) and feed conversion (FC) of piglets from 0 to 17 and from 0 to 29 days after weaning; digestibility coefficient of dry matter (DCDM), ether extract (DCEE), crude protein (DCCP), and gross energy (DCGE); digestible values for dry matter (DMD), protein (PD), ether extract (EED), and energy (ED) on PI and I diets. There was no significant difference among treatments considering DFI, DWG, FC (P>0.05). Treatments had no influence upon DCDM, DCCP, DCGE, DMDV, EDV values (P>0.05) for PI and I diets. Differences were found for I diet in DCEE (P=0.007), PD (P=0.002), and EED (P<0.001). The studied blends whether associated or not with protein sources (either vegetal or animal) were feasible substitutes for dried whey and lactose in PI and I diets. They did not interfere in the performance of weanling pigs aged from 21 to 50 days old or in the digestibility... (Complete abstract click electronic access below)

O objetivo deste trabalho foi avaliar os parâmetros de desempenho de leitões desmamados e a digestibilidade aparente das dietas pré-iniciais (PI) e iniciais (I), contendo combinação de ingredientes energéticos e protéicos em substituição ao soro de leite e lactose. Foram utilizados 108 leitões, desmamados com idade média de 21 dias e peso médio 6,02 ± 0,40 kg, distribuídos em um delineamento experimental de blocos ao acaso em quatro tratamentos: controle com soro de leite seco e lactose; concentrado protéico de soro de leite, maltodextrina e blend energético contendo maltodextrina e óleo de milho; farelo de glúten 60, maltodextrina e blend energético contendo maltodextrina e óleo de milho; blend energético protéico contendo maltodextrina, água de maceração do milho e óleo de milho. Durante os períodos experimentais de 0 a 17 e 18 a 29 dias, foram realizadas coletas parciais de fezes para se determinar a digestibilidade aparente utilizando-se o óxido de crômio III (Cr2O3) a 0,1% como marcador nas rações. Foram avaliados os parâmetros de desempenho: consumo diário de ração (CDR), ganho diário de peso (GDP) e conversão alimentar (CA) dos leitões nos períodos de 0 a 17 e de 0 a 29 dias após o desmame; os coeficientes de digestibilidade aparente da matéria seca (CDAMS), extrato etéreo (CDAEE), proteína bruta (CDAPB) e energia bruta (CDAEB); os valores digestíveis de matéria seca (MSD), proteína (PD), extrato etéreo (EED) e energia (ED) das dietas PI e I. Não foram verificadas diferenças entre os tratamentos em relação às variáveis CDR, GDP e CA (P>0,05). Não houve influência dos tratamentos nos valores de CDAMS, CDAPB, CDAEB, MSD e ED (P>0,05) das dietas PI e I. Foram encontradas diferenças para as variáveis: CDAEE (P=0,007), PD (P=0,002) e EED (P<0,001) para a ração I. Portanto, os blends estudados, associados...

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Universidade Estadual Paulista (UNESP)

Pós-graduação em Zootecnia - FMVZ

Keywords

Suínos - Alimentação e rações, Spray dryer, Maltodextrin, Swine, Suinocultura, Blend, Maltodextrina

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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