發(fā)布時(shí)間：2018-01-02 07:09

  本文關(guān)鍵詞：母豬妊娠期營(yíng)養(yǎng)水平對(duì)后代仔豬肌肉生長(zhǎng)和發(fā)育的影響　出處：《動(dòng)物營(yíng)養(yǎng)學(xué)報(bào)》2016年04期 　論文類型：期刊論文

  更多相關(guān)文章： 母豬 營(yíng)養(yǎng)水平 仔豬 肌肉

【摘要】：本試驗(yàn)旨在研究母豬妊娠期營(yíng)養(yǎng)水平對(duì)后代仔豬肌肉生長(zhǎng)和發(fā)育的影響。選取體重和日齡相近的長(zhǎng)大(LY)雜交后備母豬33頭,按體重[(150±9)kg]和日齡[(255±10)日齡]隨機(jī)分到3個(gè)組:低營(yíng)養(yǎng)水平組(LN組)、適宜營(yíng)養(yǎng)水平組(AN組)和高營(yíng)養(yǎng)水平組(HN組)。每組11個(gè)重復(fù),每個(gè)重復(fù)1頭母豬。妊娠前期(1~30 d)各組營(yíng)養(yǎng)攝入量分別是0.75、1.00和1.50倍維持需要,妊娠中期(31~90 d)在前期基礎(chǔ)上提高20%,妊娠后期(91~112 d)在中期基礎(chǔ)上提高25%。結(jié)果表明:1)與LN組相比,AN和HN組仔豬出生體重和斷奶體重及初生仔豬肌肉重(除比目魚肌)顯著或極顯著提高(P0.05或P0.01);AN組仔豬半腱肌和背最長(zhǎng)肌相對(duì)重極顯著高于LN組(P0.01),AN組新生仔豬肌肉蛋白質(zhì)濃度顯著或極顯著高于LN和HN組(P0.05或P0.01)。2)AN組新生仔豬背最長(zhǎng)肌肌球蛋白重鏈Ⅱx的mRNA表達(dá)量極顯著低于LN組(P0.01)。3)AN組新生仔豬背最長(zhǎng)肌生肌調(diào)節(jié)因子4的mRNA表達(dá)量顯著高于LN和HN組(P0.05)。由此可見,母豬妊娠期營(yíng)養(yǎng)水平能顯著影響仔豬出生和斷奶體重及肌肉重,但是過高或者過低的營(yíng)養(yǎng)水平都會(huì)降低后代肌肉重和肌肉蛋白質(zhì)的濃度,這可能與生肌調(diào)節(jié)因子4基因差異表達(dá)有關(guān)。
[Abstract]:The aim of this experiment was to study the effect of pregnant nutrition level on muscle growth and development of piglets. Thirty-three crossbred sows with similar body weight and day age were selected. [150 鹵9 kg and day age. [They were randomly divided into 3 groups: low nutrition level group (LN group) and suitable nutrition level group (an group) and high nutritional level group (HN group). Each group had 11 repeats. The nutritional intake of each group was 0.75 鹵1.00 and 1.50 times respectively. In the second trimester of pregnancy, there was an increase of 20% on the basis of pre-pregnancy and 25 days on the second trimester of pregnancy. The results showed that the ratio of 1 to 1) was higher than that of LN group. In an and HN groups, birth weight, weaning weight and muscle weight of newborn piglets (except soleus muscle) increased significantly (P0.05 or P0.01). The relative weight of semitendinosus and longissimus dorsi in an group was significantly higher than that in LN group (P 0.01). The muscle protein concentrations of newborn piglets in an group were significantly or extremely higher than those in LN and HN groups (P0.05 or P0.01 / 2). The mRNA expression of myosin 鈪，

本文編號(hào)：1368181