The effects of supercritical carbon dioxide extraction and cold-pressed hexane extraction on the chemical composition and feeding value of rapeseed meal for broiler chickens

Watts, Emilea Sarah; Rose, S.P.; Mackenzie, A.M.; Pirgozliev, V.

doi:10.1080/1745039x.2019.1659702

Cited by 21 publications

(14 citation statements)

References 50 publications

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“…The chemical composition of the RSM samples is summarized in Table 2 . The AMEn values of the RSM samples used in MT and ST diets were determined previously ( Watts et al, 2020 , 2021 ) and were 11.90 and 11.70 MJ/kg, respectively. The crude protein content in ST sample was higher when compared to MT sample, 344 vs. 308 g/kg.…”

Section: Resultsmentioning

confidence: 99%

“…Two RSM samples produced under different processing conditions were used in this study. A sample of conventionally solvent extracted RSM (ST) and cold-pressed hexane extracted RSM (MT) was obtained as previously described ( Watts et al, 2020 , 2021 ). In brief, conventionally solvent extraction includes two steps of cooking, first at 80 to 90°C to increase oil extraction efficiency, and second at 95 to 115°C for about an hour, when the residual hexane is flashed from the meal under pressure in a desolventising/toasting unit.…”

Section: Methodsmentioning

confidence: 99%

“…Thus, formulating broiler diets using RSM remains challenging as its nutritive value is reportedly lower and more variable than SBM ( Khajali and Slominski, 2012 ). In addition, Watts et al (2020) demonstrated that the oil recovery methods, that is, traditional extraction or those that minimize the exposure of RSM to thermal treatments, can also impact on the feeding value of RSM for poultry.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Rapeseed meal processing and dietary enzymes modulate excreta inositol phosphate profile, nutrient availability, and production performance of broiler chickens

Pirgozliev

Mansbridge²,

Kendal³

et al. 2022

Poultry Science

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Rapeseed meal processing and dietary enzymes modulate excreta inositol phosphate profile, nutrient availability, and production performance of broiler chickens

Pirgozliev

Mansbridge²,

Kendal³

et al. 2022

Poultry Science

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“…Enzyme access to the substrate determines the quantity of energy derived by the broiler from the plant materials. The exogenous supplementation of enzymes has several important functions such as increasing the digestion of nutrients, reducing the excretion of nitrogen to the environment and improving the performance of the broiler [11,13]. However, the results published to date are not consistent.…”

Section: Introductionmentioning

confidence: 99%

Feeding of Phytobiotics and Exogenous Protease in Broilers: Comparative Effect on Nutrient Digestibility, Bone Strength and Gut Morphology

et al. 2021

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In this feeding trial, a total of 500 Cobb-500 broiler (day-old) chickens were randomly assigned to a control dietary treatment (basal diet only) or supplemented with crushed seeds of coriander (Coriandrum sativum L.), black cumin (Bunium persicum (Boiss.) B. Fedtsch) and ajwain (Carum copticum L.) (at 10 mg/kg each) and exogenous protease (30,000 IU/kg), respectively, in order to assess the effect of the diets on nutrient digestibility, bone strength and gut morphology. The results indicated that the digestibility coefficients of crude protein, crude fat, nitrogen-free extract, calcium and phosphorous were significantly (p < 0.05) higher in protease-treated birds compared to the control. The tibia bone weight was improved (p = 0.03) in Carum copticum, Coriandrum sativum and protease-supplemented birds. Bone length increased (p < 0.05) in protease and Carum copticum fed broilers, while the robusticity index decreased (p < 0.05) in all treatments. Villus length and width decreased (p < 0.05) in Carum copticum and Bunium persicum fed broilers. From findings, it was demonstrated that exogenous protease shows comparatively better results in improving bone quality, ileal digestibility and villus morphology in broilers.

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“…Although soybean is a major oil crop that is planted on a rapidly expanding number of hectares, the encroachment of soybean plantations into forests is contributing to deforestation and climate change (Liu & Dai, 2020). Demand for sustainable feed ingredients has increased recently, motivating the development of alternative protein sources for modern poultry production (Abdulla et al, 2016;2020;Whiting et al, 2017, Watts et al, 2019. Sunflower (Helianthus annuus) is also grown as an oilseed in temperate and subtropical climates worldwide.…”

mentioning

confidence: 99%

Short communication: Pelleting increases the metabolizable energy of de-hulled sunflower seed meal for broilers

Karkelanov¹,

Chobanova²,

Whiting³

et al. 2021

SA J. An. Sci.

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The study examined the effects of two methods of processing de-hulled sunflower seed meal (SFM) from the same batch of sunflower seeds. Sunflower seed meal was fed to broilers as meal (MSFM) or after it had been pelleted (PSFM) at 75 °C and 360 kPa pressure to pass through a 3 mm mesh. Three diets were prepared, namely a balancer feed (BF) and two diets containing 200 g/kg MSFM or 200 g/kg PSFM. They were fed to 30 pens (two birds each) with male Ross 308 broilers, from 8 to 21 days old, following randomization. Data were analysed by ANOVA. Two pre-planned orthogonal contrast tests were performed to compare overall differences between the diets containing SFM and BF and between diets containing the MSFM and PSFM. The BF had a very different nutrient composition from the complete feeds containing SFM so, as expected, there were differences in growth performance and nutrient retention. The diet containing PSFM had greater apparent metabolizable energy corrected for N retention (AMEn) and dry matter retention (DMR) than that containing MSFM. The use of the substitution method showed the PSFM had AMEn that was 18% greater than the MSFM (8.79 vs 7.47 MJ/kg DM). Under the conditions of the current study, incorporating PSFM in a mash broiler feed increased dietary AMEn compared with the same feed containing MSFM. Further studies are needed to identify whether the benefits of pre-pelleting SFM remain after this product has been incorporated in complete pelleted broiler feeds.

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The effects of supercritical carbon dioxide extraction and cold-pressed hexane extraction on the chemical composition and feeding value of rapeseed meal for broiler chickens

Cited by 21 publications

References 50 publications

Rapeseed meal processing and dietary enzymes modulate excreta inositol phosphate profile, nutrient availability, and production performance of broiler chickens

Rapeseed meal processing and dietary enzymes modulate excreta inositol phosphate profile, nutrient availability, and production performance of broiler chickens

Feeding of Phytobiotics and Exogenous Protease in Broilers: Comparative Effect on Nutrient Digestibility, Bone Strength and Gut Morphology

Short communication: Pelleting increases the metabolizable energy of de-hulled sunflower seed meal for broilers

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