發(fā)布時(shí)間：2018-03-11 08:54

  本文選題：能量來源　切入點(diǎn)：五指山豬　出處：《家畜生態(tài)學(xué)報(bào)》2017年06期 　論文類型：期刊論文

【摘要】：為了研究不同能量來源對(duì)五指山豬生長性能、初情期日齡及子宮和卵巢組織發(fā)育影響,本試驗(yàn)選用30頭體重接近的五指山斷奶仔豬,隨機(jī)分為3組,試驗(yàn)豬分別飼喂添加5%木薯淀粉、3%椰子油和3%椰子油+0.8%亞麻籽粉的日糧,分析了生長性能、子宮以及卵巢組織發(fā)育等相關(guān)指標(biāo)。結(jié)果表明,椰子油組和椰子油+亞麻籽粉組顯著增加5kg~初情期豬平均日增重(P0.05)。日糧中添加椰子油可顯著增加初情期背膘厚度(P0.05),及早啟動(dòng)后備母豬初情期,比椰子油+亞麻籽粉組和木薯淀粉組分別提前了(9±3.1)d和(8±1.8)d(P0.05)。與其它兩個(gè)組相比,椰子油可顯著增加五指山豬子宮重(P0.05)、子宮角和子宮體長(P0.05)。椰子油和椰子油+亞麻籽粉組組輸卵管長度(P0.05)顯著高于木薯淀粉組,椰子油+亞麻籽粉組大卵泡數(shù)(P0.05)顯著高于椰子油組和木薯淀粉組。結(jié)果提示,富含椰子油日糧可顯著提高五指山豬生長性能、及早啟動(dòng)初情期、促進(jìn)卵巢和子宮組織發(fā)育,而富含亞麻籽日糧可顯著促進(jìn)母豬排卵。
[Abstract]:In order to study the effects of different energy sources on the growth performance of Wuzhishan pigs, the age of early estrus and the development of uterus and ovary, 30 weaned piglets with similar body weight were randomly divided into 3 groups. Pigs were fed diets supplemented with 5% cassava starch 3% coconut oil and 3% coconut oil 0.8% flaxseed meal respectively. The growth performance, uterus and ovarian tissue development were analyzed. Coconut oil group and coconut oil flax seed powder group significantly increased the average daily gain (ADG) of pigs in the period of 5 kg ~ early estrus (P0.05%). Adding coconut oil to the diet could significantly increase the backfat thickness (P0.05) in the early stage of estrus, and start the early stage of the early estrus of the backfat sows. Compared with the coconut oil flaxseed powder group and cassava starch group, they were 9 鹵3.1 days and 8 鹵1.8 dago P0.05, respectively, compared with the other two groups. Coconut oil significantly increased uterine weight of Wuzhishan pig (P0.05), uterus horn and uterine body length (P0.05). Coconut oil and coconut oil flax seed powder group (P0.05) was significantly higher than cassava starch group. The number of large follicles in coconut oil flaxseed powder group was significantly higher than that in coconut oil group and cassava starch group. The results showed that coconut oil rich diet could significantly improve the growth performance of Wuzhishan pigs, start early estrus and promote ovarian and uterine tissue development. Flaxseed rich diet could significantly promote ovulation of sows.
【作者單位】： 中國熱帶農(nóng)業(yè)科學(xué)院熱帶作物品種資源研究所;儋州市畜牧獸醫(yī)局;
【基金】：中國熱帶農(nóng)業(yè)科學(xué)院中央央級(jí)公益性科研院所基本科研業(yè)務(wù)費(fèi)專項(xiàng)(1630032013001,1630032016002) 海南省自然科學(xué)基金(20153079)
【分類號(hào)】：S828.5

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