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Upgraded EU rapeseed meal improves growth performance and nutrient digestibility in growing pigs

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Melo ADB (IRTA, Espagne) et al., 70th Annual meeting of the European Federation of Animal science (EAAP), 26-30 août 2019, Ghent, Belgique, p. 421, poster

Rapeseed meal (RSM), a by-product of oil industry, contains large amounts of protein but also contains a high fibre content that limit its use to non-ruminant animals. Tail-end dehulled RSM presents high protein content and reduced fibre fraction, resulting more attractive for animal feeding. Also, pelletizing process could contribute to improve the nutritive value of dehulled RSM. The aim of the present study is evaluating the growth performance and nutrient digestibility of growing pig´s diet based on dehulled RSM, combined with die size and steam from pelletizing process. A 2×2×2 factorial design was used with conventional (35% CP) or upgraded RSM (40% CP), 4×40 or 4×60 mm of die size, processed with or without steam. Conventional or upgraded RSM were included in similar proportion (22.5%) as the only protein source and no adjustment of synthetic amino acids (AA) was done.

Diets were provided ad libitum overall the trial, which lasts 49 days. One-hundred forty-four pigs weighing 27.55 kg were allocated at 72 pens, 2 pigs for pen (male and female), totalling 9 blocks of live weight per treatment. At the last week of experiment, faecal samples were collected for 3 days and lyophilized before lab analyses. Growth performance and nutrient digestibility were used as responsive criteria. Pig´s weight gain and feed conversion ratio were improved by dehulled RSM. Feed efficiency is improved in pigs fed dehulled RSM, 4×60 mm die size with steam on pelleting process. The digestibility of energy, crude protein, lysine, methionine, threonine and valine is improved in diet based on dehulled RSM and no affected by die size. A greater nutrient content and availability such as found in the diet based on dehulled RSM is crucial to improve animal performance and it was enhanced after pelleting process.

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2019

Interest of using synthetic amino acids, including L-Valine for formuling low crude protein pig diets based on rapeseed meal

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One hundred forty-four group-housed growing-finishing pigs were allocated to one of the three experimental feeding strategies. Diets S were formulated with soybean meal and teir dietary crude protein (CP) content averaged 15.9 and 15.0% respectively, and soybean meal was replaced partially or completely by rapeseed meal and balanced with L-Lysine, DL-Methionine, L-Threonine and L-Tryptophan. In diets CV, L-Valine was also incorporated (0.3 g/kg) allowing an additional reduction of CP content (14.5 and 13.2%, respectively).
PDF icon Interest of using synthetic amino acids, including L-Valine for formuling low crude protein pig diets based on rapeseed meal
2011

Effects of glucosinolates and fibre resulting from rapeseed meal inclusion in phase 2 diet on piglet feeding behaviour and performance

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Poster. Glucosinolates (GSL) and fibre from rapeseed may play a key role in the palatability of rapeseed meal (RSM) for pigs. Therefore, a high RSM inclusion in pig diets could lead to a lower feed intake or modify feeding behaviour, especially when competition is high. Two experiments were conducted to evaluate the eff ects of GSL and fi bre resulting from RSM, and of the competition degree at feeding, on feed intake and performance of piglets during the post-weaning period from 12 to 30 kg (phase 2).
PDF icon Effects of glucosinolates and fibre resulting from rapeseed meal inclusion in phase 2 diet on piglet feeding behaviour and performance
2011

Impact of liquid feeding and health status on the use of a high level of rapeseed meal in pig fattening diets

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Poster. Rapeseed meal (RSM) can be included at high levels in dry pig feeds. However, lower incorporation limits are often proposed for liquid feeding because, in that case, it is thought that RSM could have a more negative eff ect on intake than for dry feeding.
PDF icon Impact of liquid feeding and health status on the use of a high level of rapeseed meal in pig fattening diets
2011

Interest of using synthetic amino acids, including L-V otein pig diets based on rapeseed meal

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Poster. Rapeseed meal utilization, as an alternative to soybean meal incorporation in pig diets, in association with a concomitant reduction of the dietary crude protein (CP) content was evaluated in growing-fi nishing pigs. On the one hand, growth performance were characterised when soybean meal was replaced by rapeseed meal in association with grade amino acids that included L-Valine or not. On the second hand, N and P output were simulated using the InraPorc software.
PDF icon Interest of using synthetic amino acids, including L-V otein pig diets based on rapeseed meal
2011

Multi-year survey on chemical composition of de-oiled regular rapeseed meal produced in France. Evaluation for long-term feeding of sows in reproduction

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PDF icon Multi-year survey on chemical composition of de-oiled regular rapeseed meal produced in France. Evaluation for long-term feeding of sows in reproduction
2009