AI Article Synopsis
- Rapeseed meal and faba beans (RSM/FB) can effectively replace imported soybean meal (SBM) in pig diets, promoting growth and improving meat quality.
- Feeding pigs RSM/FB resulted in better feed conversion rates and altered meat characteristics, such as reduced color lightness and yellowness, along with changes in fatty acid composition.
- RSM/FB also lowered glucose levels in meat and improved flavor, indicating a potential for enhanced meat quality without compromising growth performance compared to SBM.
Article Abstract
Rapeseed meal and faba beans (RSM/FB) can serve as an alternative to imported soybean meal (SBM). In this study, forty Norwegian crossbred ([Landrace x Yorkshire] x Duroc) growing-finishing pigs (108.7 ± 4.2 kg final BW) were fed a diet with either SBM or RSM/FB as protein sources. RSM/FB increased feed conversion ratio (P = .04) in the finishing period, reduced lightness (P = .04) and yellowness (P = .004) of meat, changed amounts of individual fatty acids, but not of total SFA, MUFA and PUFA. Importantly, RSM/FB reduced the glucose level (P < .05) in meat. Lower pyroglutamic acid (P = .06) in RSM/FB indicate lower oxidative stress in pre-rigor muscle cell. Increased abundance of free amino acids, sweet tasting metabolites, reduced warmed-over flavor and flavor attributes indicated desirable properties of RSM/FB meat. To conclude, RSM/FB in pig diet supported growth performance and carcass quality comparable to SBM and had a positive effect on meat quality.
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| http://dx.doi.org/10.1016/j.meatsci.2020.108134 | DOI Listing |
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