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Master thesis . 2017
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Efeito da inclusão de cenoura na qualidade da carne de coelho

Authors: Costa, Mariana Pereira dos Santos;

Efeito da inclusão de cenoura na qualidade da carne de coelho

Abstract

O objectivo deste estudo foi avaliar o efeito da incorporação de cenoura nos regimes alimentares de coelhos em crescimento e engorda, sobre o processo digestivo, a oxidação lipídica e as características físico-químicas da carne de coelho. Foram formulados quatro regimes alimentares com 3% de óleo de soja e quantidades crescentes de cenoura por substituição da polpa de citrinos: um regime controlo (R1), um regime com 7,5% de cenoura (R2), um regime com 15% de cenoura (R3) e um regime com 22,5% de cenoura (R4). As dietas foram distribuídas a 48 coelhos (12 x 4), alojados individualmente, dos 37 aos 71 dias de idade. Não se registaram diferenças significativas na quantidade ingerida diária nem no aumento diário de peso entre os regimes. Os coeficientes de utilização digestiva (CUD) não foram afectados pela incorporação de cenoura. O peso do fígado nos regimes com cenoura foi 18% menor que no regime controlo. O rendimento de carcaça foi significativamente inferior (P <0,05) nos regimes com cenoura em relação ao regime controlo. A oxidação lipídica da carne aumentou significativamente (P <0,0001) com o aumento da quantidade de cenoura e o tempo de armazenamento.

ABSTRACT - Effect of carrot inclusion on rabbit meat quality - The aim of this study was to assess the effect of carrot incorporation to growing and fattening rabbit diets on digestibility of diets, lipid oxidation and physico-chemical characteristics of rabbit meat. Four diets with 3% soybean oil and increasing amounts of carrot replacing the citrus pulp were formulated: a control diet (R1), a diet with 7,5% carrot (R2), a diet with 15% carrot (R3) and a diet with 22,5% carrot (R4). 48 rabbits (12 x 4) aged 37 to 71 days in separate housing were fed with these diets. There were no meaningful differences regarding daily feed intake or average daily gain. Total tract apparent digestibility weren’t significantly affected either. Liver weight in the carrot diets was 18% lower than in control diet. Carcass yield was significantly lower (P <0,05) in the carrot diets compared to control diet. Lipid oxidation of meat increased significantly (P <0,0001) with increasing amount of carrot and time of storage.

Dissertação de Mestrado em Engenharia Zootécnica/Produção Animal

N/A

Country
Portugal
Keywords

lipid oxidation, coelhos, rabbit, cenoura, oxidação lipídica, carrot

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selected citations
These citations are derived from selected sources.
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!
views
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