本文選題：肉兔　切入點(diǎn)：營養(yǎng)水平　出處：《山東農(nóng)業(yè)大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：我國肉兔養(yǎng)殖正處于傳統(tǒng)養(yǎng)殖向集約化工廠養(yǎng)殖轉(zhuǎn)型的關(guān)鍵階段。本研究依托肉兔生產(chǎn)現(xiàn)狀,對肉兔商品生產(chǎn)中飼料營養(yǎng),養(yǎng)殖模式,同期發(fā)情技術(shù),斷奶體重和飼喂方式進(jìn)行了系統(tǒng)研究,旨在提高肉兔養(yǎng)殖的規(guī)�；�,節(jié)約化,現(xiàn)代化養(yǎng)殖水平,最終獲得最大經(jīng)濟(jì)效益。飼料營養(yǎng)試驗(yàn)表明:全進(jìn)全出養(yǎng)殖模式下伊拉繁殖母兔,可促進(jìn)高繁母兔泌乳力的飼料蛋白含量是17~18%,能量需求范圍是10.5MJ/kg~11 MJ/kg,纖維水平是13%左右,賴氨酸水平是1%左右。養(yǎng)殖模式對比試驗(yàn)表明:全進(jìn)全出模式35日齡斷奶成活率,70日齡育肥成活率皆極顯著高于普通養(yǎng)殖模式(P0.01)。同期發(fā)情試驗(yàn)表明:種母兔同期發(fā)情最優(yōu)光照處理為:配種前6d加光,每天光照16h,配種后7天減光;在進(jìn)行加光配種的前提下,不注射激素,發(fā)情率依然保持較高水平。斷奶體重對比試驗(yàn)表明:斷奶體重越高,出欄重越大,越有利于經(jīng)濟(jì)效益的提升。飼喂方式試驗(yàn)表明:自由采食組合出欄體重極顯著高于限制飼喂組(p0.01),料重比限制飼喂組(3.09)極顯著低于自由采食組(4.04)(p0.01);只均收益自由采食組合要極顯著低于限制飼喂組合,每只育肥兔少收益3.86元。不同限料量對仔兔成活率影響差別不大;出欄體重隨著限制飼喂用料的減少呈減小趨勢,合理范圍的限制飼喂對育肥兔養(yǎng)殖效益的提升十分明顯,在不同地區(qū),不同品種,不同季節(jié)我們應(yīng)該遵循不同的飼料飼喂標(biāo)準(zhǔn)飼喂育肥兔。
[Abstract]:The meat rabbit breeding in China is in the key stage of the transition from traditional breeding to intensive factory breeding. Based on the present situation of meat rabbit production, the feed nutrition, breeding mode and estrus technology in the production of meat rabbit were studied. The weaning weight and feeding methods were systematically studied in order to improve the scale, economization and modernization of the breeding of meat rabbits. Finally, the maximum economic benefit was obtained. The results of feed nutrition test showed that the feed protein content, energy demand range of 10.5MJ / kg / kg 11 mg / kg and fiber level about 13% were 170.18%, 10.5MJ / kg ~ 11 MJ / kg and 13% ~ (th), respectively. The lysine level was about 1%. The contrast experiment of breeding model showed that the survival rate of weaning at 35 days old and 70 days old was significantly higher than that of common breeding model P0.01.The estrus experiment showed that the female rabbits were in the same period. The best light treatment for estrus was: adding light 6 days before mating, The estrus rate remained at a high level without the injection of hormone. The weaning weight comparison test showed that the higher the weaning weight, the greater the outfall weight, the higher the weaning weight, the higher the weaning weight, the higher the weaning weight, the higher the estrus rate was, the higher the weaning weight was, the higher the weaning weight was. The experiment of feeding mode showed that the body weight of free feed combination was significantly higher than that of restricted feed group (P 0.01), and the ratio of feed to weight was 3.09) which was significantly lower than that of free feed group (4.04%), and the average income of free feed group was only lower than that of free feed group (P < 0.05). The combination was significantly lower than the restricted feed combination. Each fattening rabbit had less income of 3.86 yuan. The effect of different feed restriction on the survival rate of fattening rabbits was not significant. The weight of fattening rabbits decreased with the decrease of the limited feeding materials, and the benefit of fattening rabbits was obviously improved by limiting feeding in a reasonable range. In different regions, varieties and seasons, we should follow different feed standards to feed fattening rabbits.
【學(xué)位授予單位】：山東農(nóng)業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：S829.1

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本文編號：1610646