【摘要】：本試驗(yàn)旨在研究多營(yíng)養(yǎng)源飼糧對(duì)生長(zhǎng)育肥豬生長(zhǎng)性能、養(yǎng)分表觀消化率及肉品質(zhì)的影響,探索使用非常規(guī)飼料原料配制飼糧的可能性。試驗(yàn)選取日齡相近、體重在(41.06±1.43)kg的"杜長(zhǎng)大"生長(zhǎng)豬48頭,隨機(jī)分配到2個(gè)組,分別飼喂玉米-豆粕型基礎(chǔ)飼糧(對(duì)照組)和多營(yíng)養(yǎng)源飼糧(試驗(yàn)組),每組12個(gè)重復(fù),每個(gè)重復(fù)2頭豬。生長(zhǎng)階段試驗(yàn)期為42 d,育肥階段待豬體重達(dá)120 kg時(shí),每個(gè)組選擇5頭豬進(jìn)行屠宰并測(cè)定肉品質(zhì)。結(jié)果表明:1)與對(duì)照組相比,試驗(yàn)組試驗(yàn)豬平均日采食量提高了7.76%(P0.05),平均日增重、料重比和能量攝入量均無(wú)顯著差異(P0.05);2)與對(duì)照組相比,試驗(yàn)組鈣、磷、能量、粗蛋白質(zhì)、粗灰分和干物質(zhì)的表觀消化率顯著降低(P0.05),粗脂肪的表觀消化率無(wú)顯著差異(P0.05);3)與對(duì)照組相比,飼喂多營(yíng)養(yǎng)源飼糧顯著提高了試驗(yàn)豬血清谷丙轉(zhuǎn)氨酶的活性(P0.05),但對(duì)其余血清生化指標(biāo)均無(wú)顯著影響(P0.05);4)與對(duì)照組相比,飼喂多營(yíng)養(yǎng)源飼糧對(duì)豬肉品質(zhì)及背最長(zhǎng)肌肌內(nèi)脂肪和蛋白質(zhì)含量無(wú)顯著影響(P0.05)。由此可知:在本試驗(yàn)條件下,飼喂以非常規(guī)飼料原料為主的多營(yíng)養(yǎng)源飼糧降低了生長(zhǎng)育肥豬營(yíng)養(yǎng)物質(zhì)表觀消化率,但對(duì)其生長(zhǎng)性能和肉品質(zhì)無(wú)負(fù)面影響。
[Abstract]:The purpose of this experiment was to study the effects of multi-source diets on growth performance, apparent nutrient digestibility and meat quality of growing and fattening pigs, and to explore the possibility of using unconventional feed raw materials to prepare diets. 48 growing pigs with a body weight of (41.06 鹵1.43) kg were randomly assigned to two groups, which were fed corn-soybean meal basal diet (control group) and multi-nutrient diet (experimental group), with 12 replicates in each group. Two pigs per duplicate. The experiment period of growth stage was 42 days, and when the weight of pig in fattening stage was 120 kg, 5 pigs were selected for slaughter and meat quality was measured in each group. The results showed that compared with the control group, the average daily feed intake of the test group increased by 7.76% (P0.05), the average daily gain, the ratio of feed to weight and the energy intake of the test group were not significantly different from those of the control group (P0.05), compared with the control group, calcium, phosphorus, energy and crude protein in the experimental group were increased by 7.76% (P0.05). The apparent digestibility of crude ash and dry matter decreased significantly (P0.05), but the apparent digestibility of crude fat was not significantly different (P0.05) compared with the control group. The activity of serum alanine aminotransferase was significantly increased by feeding multi-nutrient diet (P0.05), but there was no significant effect on the other serum biochemical indexes (P0.05) compared with the control group. There was no significant effect on the quality of pork and the content of fat and protein in longissimus dorsi muscle (P0.05). It can be seen that the apparent digestibility of nutrients in growing and fattening pigs was decreased by feeding multi-source diets with unconventional feedstuff, but there was no negative effect on growth performance and meat quality of growing and fattening pigs.
【作者單位】： 四川農(nóng)業(yè)大學(xué)動(dòng)物營(yíng)養(yǎng)研究所動(dòng)物抗病營(yíng)養(yǎng)教育部重點(diǎn)實(shí)驗(yàn)室;
【基金】：基金項(xiàng)目:國(guó)家生豬技術(shù)產(chǎn)業(yè)體系(CARS-36) 生豬養(yǎng)殖全期關(guān)鍵技術(shù)研究與應(yīng)用(2013NC0053)
【分類號(hào)】：S828.5

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