Schedle Karl, Plitzner Christian, Ettle Thomas, Zhao Lin, Domig Konrad J, Windisch Wilhelm
Department of Food Science and Technology, Division of Animal Food and Nutrition, BOKU Vienna, Austria.
Arch Anim Nutr. 2008 Apr;62(2):141-51. doi: 10.1080/17450390801892617.
The study aimed to investigate the effects of insoluble dietary fibre differing in lignin content on performance and parameters of gut microbiology in 48 weanling piglets (8.5 kg mean body weight) fed common diets ad libitum. Fibre sources tested were wheat bran (low lignin) and pollen from Chinese Masson pine (Pinus massoniana) as model of fibre rich in lignin, added to diets as follows: no addition (control), 3.0% wheat bran, 1.27% pine pollen and 2.55% pine pollen. In colonic chyme, bacterial colony counts remained unaffected by treatment, but ammonia contents were reduced by fibre additions (up to -38%). The effects on ammonia were best explained by added cellulose and lignin. Fibre additions reduced apparent (faecal) digestibility of dry matter (DM) and crude protein (CP) up to -3.5 and -4.3% units with cellulose and lignin being the major determinants for changes in CP digestibility.
本研究旨在调查木质素含量不同的不溶性膳食纤维对48头平均体重8.5千克的断奶仔猪自由采食普通日粮时的生产性能和肠道微生物参数的影响。所测试的纤维来源为麦麸（低木质素）和马尾松花粉（作为富含木质素纤维的模型），按以下方式添加到日粮中：不添加（对照）、3.0%麦麸、1.27%松花粉和2.55%松花粉。在结肠食糜中，细菌菌落计数不受处理影响，但添加纤维可降低氨含量（降幅高达-38%）。添加纤维素和木质素能最好地解释对氨的影响。添加纤维使干物质（DM）和粗蛋白（CP）的表观（粪便）消化率分别降低了-3.5和-4.3个百分点，纤维素和木质素是CP消化率变化的主要决定因素。
