Nutrient and energy balance, and amino acid digestibility in weaned piglets fed wheat bran and an exogenous enzyme combination.

Abstract:
:The digestive system of the weaned piglets can be affected by the type of ingredients present in the diet, and a high fibre content in diets can limit the use of other nutrients and energy. The study was conducted to determine the effects of multicarbohydrase (MC) and phytase (Phy) supplementation on the nutritive value of wheat bran (WB) in weaned piglets. Multicarbohydrase preparation had 700 U α-galactosidase, 2200 U galactomannanase, 3000 U xylanase and 22 000 U β-glucanase per kilogram of diet, and Phy had 500 phytase units - FTU/kg of diet. Twenty-five weaned piglets (6.1 ± 0.63 kg) at 21 days old were fed five diets in a completely randomised experimental design with a 2 × 2 + 1 (0 and 200 mg/kg MC; 0 and 50 mg/kg Phy; and basal diet - BD) factorial arrangement used to determine treatment effects. An additional group of piglets was fed a corn-basal diet during apparent digestibility of nutrients, and fed a 5% casein-corn starch basal diet during apparent and standardised ileal digestibility (SID) of amino acid evaluations. Piglets were individually caged until 38 days old, when Ileal digesta was collected at slaughter. Test diets were made by mixing the basal diets and WB 7 : 3 (w/w), with or without MC, Phy or the combination. There was an interaction trend (P = 0.07) between MC and Phy in the balance of ash, digestible energy (DE) and metabolisable energy (ME). Effects of MC (P < 0.01) on DM, N retention, DE and ME, as well as an effect of Phy (P < 0.05) on ash, DE and ME and a trend in protein digestibility (P = 0.07) also was observed. The enzyme combination showed effect (P < 0.05) on SID of Lys, Pro and Ser; as a trend (P < 0.07) on His, Thr and Val. Isolated, MC also suggested improving (P < 0.07) on SID of His, Lys, Ala (P < 0.05), while Phy improved (P < 0.06) SID of Leu, Lys, Met (P < 0.01), Thr, Val, Ala (P < 0.01), Pro and Ser (P < 0.05). The MC carbohydrate complex was characterised as a viable alternative to increase the apparent nutrients digestibility and SID of amino acids when WB was used in the diet of young pigs and, when combined with Phy, suggested an additive effect on the apparent use of energy.
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Animal
ANIMAL
最新影响因子:3.73 | 期刊ISSN:1751-7311 | CiteScore:1.91 |
出版周期:Monthly | 是否OA:YES | 出版年份:2007 |
自引率:9.10% | 研究方向:农林科学-奶制品与动物科学 |
出版地区:ENGLAND |
SCI期刊coverage:Science Citation Index Expanded(科学引文索引扩展)
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Animal 期刊简介
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Animal attracts the best research in animal biology and animal systems from across the spectrum of the agricultural, biomedical, and environmental sciences. It is the central element in an exciting collaboration between the British Society of Animal Science (BSAS), Institut National de la Recherche Agronomique (INRA) and the European Federation for Animal Science (EAAP) and represents a merging of three scientific journals: Animal Science; Animal Research; Reproduction, Nutrition, Development. animal publishes original cutting-edge research, 'hot' topics and horizon-scanning reviews on animal-related aspects of the life sciences at the molecular, cellular, organ, whole animal and production system levels. The main subject areas include: breeding and genetics; nutrition; physiology and functional biology of systems; behaviour, health and welfare; farming systems, environmental impact and climate change; product quality, human health and well-being. Animal models and papers dealing with the integration of research between these topics and their impact on the environment and people are particularly welcome.
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《动物》吸引了来自农业、生物医学和环境科学各个领域的动物生物学和动物系统的最佳研究。它是英国动物科学学会(BSAS)、国家农学研究所(INRA)和欧洲动物科学联合会(EAAP)之间令人兴奋的合作的核心要素,并代表了三种科学期刊的合并:动物科学;动物研究;繁殖、营养、发展。《动物》杂志在分子、细胞、器官、整个动物和生产系统的水平上发表原创前沿研究、“热点”话题和与动物相关的动物水平扫描评论。主要学科领域包括:育种和遗传学;营养;系统的生理和功能生物学;行为、健康和福利;农业系统、环境影响和气候变化;产品质量、人类健康和福祉。特别欢迎动物模型和论文涉及这些主题之间的研究整合及其对环境和人类的影响。
Animal 期刊中科院评价数据
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大类(学科) | 小类(学科) | 学科排名 |
医学 |
AGRICULTURE, DAIRY & ANIMAL SCIENCE(农业、制奶业和动物科学) 2区 VETERINARY SCIENCES(兽医学) 2区 |
10/60 24/140 |
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265 | 252 | 13 |
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1474次引用
772篇文献
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1 |
大类(学科):Agricultural and Biological Sciences
小类(学科):Animal Science and Zoology
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#55/368
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