【摘要】：試驗(yàn)旨在研究生長(zhǎng)豬日糧中添加不溶性纖維濃縮物(IRFC)和不同的日糧飼喂水平對(duì)日糧消化能、代謝能、日糧營(yíng)養(yǎng)物質(zhì)全腸道表觀消化率的影響,以及日糧中添加IRFC對(duì)斷奶仔豬生長(zhǎng)性能的影響。試驗(yàn)一選用24頭初始體重為(62.13±2.01)kg的去勢(shì)公豬,隨機(jī)分為4個(gè)處理(前3個(gè)處理分別自由采食含IRFC 0%、0.5%和1%的日糧;第4個(gè)處理按公豬初始體重的2%飼喂含IRFC 1%的日糧),每組6頭,設(shè)6個(gè)重復(fù),每個(gè)重復(fù)1頭豬。試驗(yàn)期12 d。試驗(yàn)二選用72頭平均體重為(7.13±0.54)kg的斷奶仔豬,采用完全隨機(jī)區(qū)組試驗(yàn)設(shè)計(jì),按照性別和體重分為2個(gè)處理,每個(gè)處理6個(gè)重復(fù),每個(gè)重復(fù)6頭豬(公、母各半),分別飼喂玉米-豆粕型基礎(chǔ)日糧和含10 g/kg IRFC試驗(yàn)日糧,試驗(yàn)期28 d。結(jié)果表明:在生長(zhǎng)豬日糧中添加IRFC對(duì)日糧消化能、代謝能以及日糧營(yíng)養(yǎng)物質(zhì)全腸道表觀消化率無顯著影響(P0.05),日糧中添加IRFC對(duì)斷奶仔豬的生長(zhǎng)性能無顯著影響(P0.05),不同的日糧飼喂水平對(duì)日糧消化能、代謝能以及日糧營(yíng)養(yǎng)物質(zhì)全腸道表觀消化率無顯著影響(P0.05),但是隨著IRFC添加量的提高,生長(zhǎng)豬糞便含水量有下降的趨勢(shì)(P=0.08),其內(nèi)在機(jī)理還需進(jìn)一步探討。
[Abstract]:The aim of this study was to investigate the effects of dietary insoluble fiber concentrate (IRFC) and dietary feeding levels on dietary digestibility of digestibility, metabolic energy, total intestinal tract digestibility of dietary nutrients. And the effect of adding IRFC to diet on growth performance of weaned piglets. In experiment 1, 24 ovariectomized boars with initial body weight of (62.13 鹵2.01) kg were randomly divided into 4 treatments (the first three treatments fed diets containing 0.5% and 1% IRFC, respectively; the fourth treatment fed diets containing 1% IRFC on the basis of 2% of the initial body weight of the boars). There were 6 replicates, 1 pig per replica. The experimental period was 12 days. In the second experiment, 72 weaned piglets with an average weight of (7.13 鹵0.54) kg were selected and were divided into two treatments according to their sex and body weight, six replicates per treatment and six pigs per replica (male). Mother and half were fed corn-soybean meal basal diet and trial diet containing 10 g/kg IRFC for 28 days. The results showed that the dietary digestibility of growing pigs was increased by adding IRFC to the diet. Metabolic energy and total intestinal apparent digestibility of dietary nutrients were not significantly affected (P0.05), dietary IRFC supplementation had no significant effect on growth performance of weaned piglets (P0.05), and different dietary levels had no significant effect on dietary digestibility. The total intestinal apparent digestibility of metabolic energy and dietary nutrients had no significant effect (P0.05), but with the increase of IRFC, the water content in feces of growing pigs decreased (P0. 08), and its intrinsic mechanism needed to be further explored.
【作者單位】： 中國(guó)農(nóng)業(yè)大學(xué)動(dòng)物營(yíng)養(yǎng)學(xué)國(guó)家重點(diǎn)實(shí)驗(yàn)室農(nóng)業(yè)部飼料工業(yè)中心;
【基金】：高等學(xué)校學(xué)科創(chuàng)新引智計(jì)劃資助(B16044)
【分類號(hào)】：S828.5

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