Rapeseed meal processing and dietary enzymes modulate excreta inositol phosphate profile, nutrient availability, and production performance of broiler chickens
ABSTRACT: This study aimed to assess the effect of rapeseed meal (RSM) processing method, where solvent extraction occurred under standard industry conditions (ST) or cold-pressed hexane extraction was employed (MT), and exogenous enzyme supplementation (phytase [PHY] and xylanase [XYL]) alone or in...
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| Format: | Article |
| Language: | English |
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Elsevier
2022-10-01
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| Series: | Poultry Science |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0032579122003583 |
| _version_ | 1811183535172616192 |
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| author | V.R. Pirgozliev S.C. Mansbridge T. Kendal E.S. Watts S.P. Rose C.A. Brearley M.R. Bedford |
| author_facet | V.R. Pirgozliev S.C. Mansbridge T. Kendal E.S. Watts S.P. Rose C.A. Brearley M.R. Bedford |
| author_sort | V.R. Pirgozliev |
| collection | DOAJ |
| description | ABSTRACT: This study aimed to assess the effect of rapeseed meal (RSM) processing method, where solvent extraction occurred under standard industry conditions (ST) or cold-pressed hexane extraction was employed (MT), and exogenous enzyme supplementation (phytase [PHY] and xylanase [XYL]) alone or in combination on key nutritional factors of broiler chickens. A randomized control experiment was performed using 144 male Ross 308 broilers in a 2 × 2 × 3 factorial arrangement. Three diets including a nutritionally complete wheat-based basal diet (BD), a diet containing 200 g/kg of RSM extracted under ST and another diet containing 200 g/kg of RSM extracted under MT were produced. Each diet was then split into 4 parts and was fed as is, or supplemented with PHY at 1,500 FTU/kg or XYL at 16,000 BXU/kg, alone or in combination, resulting in 12 diets in total. Response criteria: feed intake (FI), weight gain (WG), and feed conversion ratio (FCR), from 7 to 21 d age, AMEn, retention coefficients for dry matter (DMR), nitrogen (NR), fat (FR), and the profile of inositol phosphate esters (IP2-6) and myo-inositol (MI) in excreta. Diets containing MT had higher AMEn compared to ST diets (P < 0.05). There was RSM by PHY interaction for FI, as only birds fed MT diet responded to PHY supplementation with reduced FI and FCR (P < 0.001). Feeding XYL reduced overall FI and FCR (P < 0.05). Feeding PHY reduced IP6 and increased MI in excreta (P < 0.001). Feeding XYL and PHY in combination reduced MI in excreta compared to PHY only (P = 0.05). Compared to BD, birds fed RSM diets had an increased IP6 (P < 0.05) and MI concentration in excreta (P < 0.01). This may be due to IP ester differences in RSM and BD. |
| first_indexed | 2024-04-11T09:47:12Z |
| format | Article |
| id | doaj.art-448e7d4b144e43bc8923cd067d66ac6e |
| institution | Directory Open Access Journal |
| issn | 0032-5791 |
| language | English |
| last_indexed | 2024-04-11T09:47:12Z |
| publishDate | 2022-10-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Poultry Science |
| spelling | doaj.art-448e7d4b144e43bc8923cd067d66ac6e2022-12-22T04:30:55ZengElsevierPoultry Science0032-57912022-10-0110110102067Rapeseed meal processing and dietary enzymes modulate excreta inositol phosphate profile, nutrient availability, and production performance of broiler chickensV.R. Pirgozliev0S.C. Mansbridge1T. Kendal2E.S. Watts3S.P. Rose4C.A. Brearley5M.R. Bedford6The National Institute of Poultry Husbandry, Harper Adams University, Shropshire, Edgmond, TF10 8NB, UK; Corresponding author:The National Institute of Poultry Husbandry, Harper Adams University, Shropshire, Edgmond, TF10 8NB, UKThe National Institute of Poultry Husbandry, Harper Adams University, Shropshire, Edgmond, TF10 8NB, UKThe National Institute of Poultry Husbandry, Harper Adams University, Shropshire, Edgmond, TF10 8NB, UKThe National Institute of Poultry Husbandry, Harper Adams University, Shropshire, Edgmond, TF10 8NB, UKSchool of Biological Sciences, University of East Anglia, Norwich, Norfolk, NR4 7TJ, UKAB Vista, Marlborough, Wiltshire, SN8 4AN, UKABSTRACT: This study aimed to assess the effect of rapeseed meal (RSM) processing method, where solvent extraction occurred under standard industry conditions (ST) or cold-pressed hexane extraction was employed (MT), and exogenous enzyme supplementation (phytase [PHY] and xylanase [XYL]) alone or in combination on key nutritional factors of broiler chickens. A randomized control experiment was performed using 144 male Ross 308 broilers in a 2 × 2 × 3 factorial arrangement. Three diets including a nutritionally complete wheat-based basal diet (BD), a diet containing 200 g/kg of RSM extracted under ST and another diet containing 200 g/kg of RSM extracted under MT were produced. Each diet was then split into 4 parts and was fed as is, or supplemented with PHY at 1,500 FTU/kg or XYL at 16,000 BXU/kg, alone or in combination, resulting in 12 diets in total. Response criteria: feed intake (FI), weight gain (WG), and feed conversion ratio (FCR), from 7 to 21 d age, AMEn, retention coefficients for dry matter (DMR), nitrogen (NR), fat (FR), and the profile of inositol phosphate esters (IP2-6) and myo-inositol (MI) in excreta. Diets containing MT had higher AMEn compared to ST diets (P < 0.05). There was RSM by PHY interaction for FI, as only birds fed MT diet responded to PHY supplementation with reduced FI and FCR (P < 0.001). Feeding XYL reduced overall FI and FCR (P < 0.05). Feeding PHY reduced IP6 and increased MI in excreta (P < 0.001). Feeding XYL and PHY in combination reduced MI in excreta compared to PHY only (P = 0.05). Compared to BD, birds fed RSM diets had an increased IP6 (P < 0.05) and MI concentration in excreta (P < 0.01). This may be due to IP ester differences in RSM and BD.http://www.sciencedirect.com/science/article/pii/S0032579122003583xylanasephytasephytate degradationrapeseed mealbroiler chicken |
| spellingShingle | V.R. Pirgozliev S.C. Mansbridge T. Kendal E.S. Watts S.P. Rose C.A. Brearley M.R. Bedford Rapeseed meal processing and dietary enzymes modulate excreta inositol phosphate profile, nutrient availability, and production performance of broiler chickens Poultry Science xylanase phytase phytate degradation rapeseed meal broiler chicken |
| title | Rapeseed meal processing and dietary enzymes modulate excreta inositol phosphate profile, nutrient availability, and production performance of broiler chickens |
| title_full | Rapeseed meal processing and dietary enzymes modulate excreta inositol phosphate profile, nutrient availability, and production performance of broiler chickens |
| title_fullStr | Rapeseed meal processing and dietary enzymes modulate excreta inositol phosphate profile, nutrient availability, and production performance of broiler chickens |
| title_full_unstemmed | Rapeseed meal processing and dietary enzymes modulate excreta inositol phosphate profile, nutrient availability, and production performance of broiler chickens |
| title_short | Rapeseed meal processing and dietary enzymes modulate excreta inositol phosphate profile, nutrient availability, and production performance of broiler chickens |
| title_sort | rapeseed meal processing and dietary enzymes modulate excreta inositol phosphate profile nutrient availability and production performance of broiler chickens |
| topic | xylanase phytase phytate degradation rapeseed meal broiler chicken |
| url | http://www.sciencedirect.com/science/article/pii/S0032579122003583 |
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