本文選題：油籽 + 育肥綿羊��； 參考：《內(nèi)蒙古農(nóng)業(yè)大學(xué)》2017年碩士論文

【摘要】：本研究在日糧中添加具有不同脂肪酸特征的油籽,即油菜籽(52%的C18:1)、葵花籽(66%的C18:2)和胡麻籽(55%的C18:3),以研究它們對(duì)舍飼育肥綿羊瘤胃發(fā)酵特性、生長性能和脂肪酸組成的影響。試驗(yàn)選用40只體重為33.73±3.65kg、生理狀態(tài)相似的雜交公羊(小尾寒羊×蒙古羊)隨機(jī)分為4個(gè)組,每組10只。各組綿羊分別喂以含有不同脂肪酸特征的油籽,其中對(duì)照組采用基礎(chǔ)日糧(不含油籽),以豆粕和棉粕代替油籽,試驗(yàn)組分別飼喂:基礎(chǔ)日糧+ 10%油菜籽、基礎(chǔ)日糧+ 10%葵花籽、基礎(chǔ)日糧+10%胡麻籽的日糧。預(yù)飼期10天,正試期35天,試驗(yàn)期內(nèi)所有試驗(yàn)動(dòng)物自由飲水。試驗(yàn)一:日糧添加具有不同脂肪酸特征的油籽對(duì)舍飼育肥綿羊生產(chǎn)性能、屠宰性能及瘤胃發(fā)酵特性的影響。飼喂期對(duì)育肥羊的生長性能相關(guān)指標(biāo)進(jìn)行記錄,飼喂期結(jié)束后對(duì)所有羊只進(jìn)行屠宰,測(cè)定屠宰性能并當(dāng)場(chǎng)采集瘤胃液以便后期測(cè)定瘤胃發(fā)酵相關(guān)指標(biāo)。結(jié)果顯示:與對(duì)照組相比,試驗(yàn)組采食量及日增重均略有下降,但差異不顯著(P0.05);不同油籽對(duì)瘤胃pH影響差異顯著(P0.01),其中胡麻籽組PH值最高,油菜籽組最低;各處理組瘤胃液中氨態(tài)氮含量胡麻籽組顯著(P0.05)高于其他三組,其他各組間差異不顯著(P0.05);瘤胃菌體蛋白含量各組間差異均不顯著(P0.05)。研究表明:在本試驗(yàn)條件下,日糧添加具有不同脂肪酸特征的油籽對(duì)育肥綿羊生長性能沒有顯著影響;胡麻籽組的瘤胃pH值和氨態(tài)氮含量顯著高于油菜籽組和對(duì)照組,但均處于正常水平范圍內(nèi);試驗(yàn)處理對(duì)瘤胃菌體蛋白含量均無顯著影響,表明在育肥綿羊日糧中添加具有不同脂肪酸特征的油籽可以作為調(diào)控綿羊肉中功能性脂肪酸組成的方法。試驗(yàn)二:日糧中添加具有不同脂肪酸特征的油籽對(duì)舍飼育肥綿羊血液脂肪代謝相關(guān)指標(biāo)的影響。在試驗(yàn)結(jié)束的時(shí)候?qū)λ醒蛑贿M(jìn)行采血,樣品采回后,使用生化分析儀對(duì)其血液中脂肪代謝相關(guān)指標(biāo)的含量進(jìn)行分析。結(jié)果顯示:與對(duì)照組相比日糧中添加10%的油菜籽后對(duì)血液甘油三酯、總膽固醇、高密度脂蛋白和低密度脂蛋白含量無影響(P0.05);葵花籽組顯著(P0.05)提高了總膽固醇、高密度脂蛋白和低密度脂蛋白含量,但對(duì)甘油三酯含量影響差異不顯著(P0.05);胡麻籽組相比于對(duì)照組無影響(P0.05)。因此,日糧中添加葵花籽后促進(jìn)了其脂肪沉積,而油菜籽和胡麻籽對(duì)脂肪代謝無影響。試驗(yàn)三:日糧中添加具有不同脂肪酸特征的油籽對(duì)舍飼育肥綿羊皮下脂肪組織中脂肪酸組成的影響。試驗(yàn)結(jié)束后對(duì)試驗(yàn)羊進(jìn)行屠宰,并從第12肋骨處采集皮下脂肪進(jìn)行脂肪酸組成及含量的分析。試驗(yàn)結(jié)果表明:日糧中添加油菜籽、葵花籽和胡麻籽后,葵花籽組和胡麻籽組顯著提高了育肥羊脂肪組織中多不飽和脂肪酸含量(P0.05),油菜籽組相比于對(duì)照組有一定的增加但差異不顯著(P0.05),不飽和脂肪酸含量油菜籽組和葵花籽組顯著高于對(duì)照組和胡麻籽組(P0.05),而試驗(yàn)組飽和脂肪酸含量均有不同程度的降低,差異顯著(P0.05)。n-6多不飽和脂肪酸/n-3多不飽和脂肪酸(n-6/n-3)為胡麻籽組(4.49)油菜籽組(8.77)對(duì)照組(13.92)葵花籽組(17.40),組間差異極顯著(P0.01),胡麻籽組對(duì)于改善n-6/n-3效果最好。因此,在本試驗(yàn)條件下,日糧添加油菜籽和葵花籽可以顯著提高脂肪組織中不飽和脂肪酸的含量,胡麻籽對(duì)于改善多不飽和脂肪酸及n-3脂肪酸的含量效果最好。綜上所述,本試驗(yàn)結(jié)果表明:在日糧中添加具有不同脂肪酸特征的油籽(1)對(duì)育肥綿羊瘤胃發(fā)酵特征及生長性能沒有顯著影響。(2)增加了育肥綿羊脂肪組織中有益脂肪酸如n-3脂肪酸和多不飽和脂肪酸的含量,對(duì)改善育肥羊羊肉品質(zhì),提高育肥羊經(jīng)濟(jì)效益具有積極的指導(dǎo)作用。
[Abstract]:This study added with different fatty acids in the diet characteristics of oilseeds, namely rapeseed (52% C18:1), sunflower seeds (66% C18:2) and flax seed (55% C18:3), to study their effect on fattening sheep rumen fermentation characteristics, growth performance and fatty acid composition in experiment 40 only. The weight was 33.73 + 3.65kg, similar to the physiological state of hybrid RAM (Small Tail Han sheep * Mongolia sheep) were randomly divided into 4 groups, 10 rats in each group. Each group of sheep were fed with different fatty acids of oilseeds, the control group received the basal diet (excluding oilseeds), soybean meal and cottonseed meal to replace oilseeds, the experimental groups were fed basal diet + 10% basal diet + 10% rapeseed, sunflower seeds, dietary flaxseed diet +10%. Pre feeding period of 10 days, during the period of 35 days, all experimental animal free drinking water test period. Experiment 1: dietary fatty acids with different characteristics the seeds of To the production performance of sheep feeding, affect the slaughter performance and rumen fermentation characteristics. Feeding period were recorded on growth performance indexes of fattening sheep, feeding period after the end of all sheep slaughter, slaughter performance of rumen fluid collection and on the spot in order to post index determination of rumen fermentation. The results showed: Compared with the control group. The test group feed intake and weight gain were slightly decreased, but the difference was not significant (P0.05); the influence of different oil seeds on rumen pH significant difference (P0.01), the highest pH value of flax seed group, rapeseed group is the lowest; flax seed group ammonia nitrogen content of each treatment group in rumen fluid (P0.05) significantly higher than the other three groups. The difference between the other groups had no significant difference (P0.05); rumen bacterial protein content between the groups was not significant (P0.05). The study shows that under the conditions of this experiment, dietary fatty acids with different characteristics of oilseeds on fattening sheep born Long performance has no significant effect; and the ammonia nitrogen content in flax seed group the rumen pH value was significantly higher than that of rapeseed group and control group, but were in the normal range; experimental treatment had no significant effect on rumen microbial protein content showed that adding method has different characteristics of fatty acid composition as a function of regulation can oilseed sheep meat in fatty acids in the diet of sheep fattening. Experiment two: effect of adding fatty acids with different characteristics of Oilseeds on fattening sheep blood fat metabolism in the diet. In the end of the experiment for all sheep blood samples back to after the analysis of fat content using biochemical analyzer the blood metabolism index. The results showed that: compared with the control group, dietary supplementation of 10% rapeseed on blood triglyceride, total cholesterol, high density lipoprotein and low density lipoprotein No effect of content (P0.05); sunflower seed group (P0.05) significantly increased the total cholesterol, high density lipoprotein and low density lipoprotein content, but the difference was not significant effect on the content of triglyceride (P0.05); flax seed group compared to the control group had no effect (P0.05). Therefore, dietary supplementation of sunflower seeds to promote the deposition of fat, while rapeseed and flax seeds had no effect on fat metabolism. Experiment three: the effect of adding fatty acids with different characteristics of oilseed fatty acids of fattening sheep in subcutaneous adipose tissue composition of the diet. After the test of sheep slaughter test, and analyzed the contents and compositions of fatty acid from twelfth ribs collection of subcutaneous fat. The experimental results showed that the addition of rapeseed diets, sunflower seeds and flax seed, sunflower seed group and flax seed group significantly increased the sheep adipose tissue content of polyunsaturated fatty acid (P0.05), rapeseed Compared with the control group have increased but the difference was not significant (P0.05), the content of unsaturated fatty acid in rapeseed and sunflower seed group were significantly higher than those in control group and flax seed group (P0.05), and the test group decreased saturated fatty acid content in different degree, significant difference (P0.05) polyunsaturated fatty acids /n-3 polyunsaturated fatty acid.N-6 (n-6/n-3) for flax seed group (4.49) rapeseed group (8.77) and control group (13.92) sunflower seed group (17.40), the difference between the groups was significant (P0.01), flax seed group best to improve n-6/n-3 effect. Therefore, under the conditions of this experiment, dietary supplementation of rapeseed and sunflower seeds can significantly improve the fat content of unsaturated fatty acids, the best flaxseed for improving polyunsaturated fatty acids and n-3 fatty acid content. In summary, the results of the experiment show that in the diets with different fatty acids of oilseeds (1) on Education The rumen fermentation characteristics and growth performance of sheep fertilizer had no significant effect. (2) increasing good fats such as n-3 fatty acid and polyunsaturated fatty acids, acid content of fattening sheep adipose tissue, to improve the quality of mutton sheep fattening sheep, improve economic benefits have a positive guiding role.

【學(xué)位授予單位】：內(nèi)蒙古農(nóng)業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：S826.5

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 GAO Jian;WANG Meng-zhi;JING Yu-jia;SUN Xue-zhao;WU Tian-yi;SHI Liang-feng;;Impacts of the unsaturation degree of long-chain fatty acids on the volatile fatty acid profiles of rumen microbial fermentation in goats in vitro[J];Journal of Integrative Agriculture;2016年12期

2 袁雪;曲永利;韓云勝;王志博;趙鑫;劉立成;;不同類型過瘤胃脂肪對(duì)泌乳前期奶牛體況及生產(chǎn)性能的影響[J];中國畜牧雜志;2016年07期

3 BENAISSA Nawel;MERZOUK Hafida;MERZOUK Sid Ahmed;NARCE Michel;;Effects of Maternal Linseed Oil Supplementation on Metabolic Parameters in Cafeteria Diet-induced Obese Rats[J];Biomedical and Environmental Sciences;2015年04期

4 張杰杰;趙紅波;游偉;成海建;劉曉牧;萬發(fā)春;孫國強(qiáng);宋恩亮;劉倚帆;;飼糧油菜籽添加水平對(duì)肉牛生長性能、瘤胃發(fā)酵及血液生化指標(biāo)的影響[J];中國農(nóng)業(yè)科學(xué);2014年11期

5 敖力格日瑪;雙金;黎明;侯先志;閆素梅;;亞麻籽對(duì)肉羊瘤胃液pH、纖毛蟲數(shù)量和養(yǎng)分表觀消化率的影響[J];動(dòng)物營養(yǎng)學(xué)報(bào);2014年05期

6 雙金;黎明;敖力格日瑪;侯先志;閆素梅;;亞麻籽對(duì)肉羊血清脂蛋白和脂肪代謝相關(guān)生化指標(biāo)的影響[J];動(dòng)物營養(yǎng)學(xué)報(bào);2014年04期

7 雙金;黎明;敖力格日瑪;侯先志;閆素梅;;亞麻籽對(duì)肉羊體脂脂肪酸組成的影響[J];動(dòng)物營養(yǎng)學(xué)報(bào);2014年04期

8 張飛;柏云愛;魯海龍;;飽和脂肪酸與健康研究進(jìn)展[J];中國油脂;2012年04期

9 屯妮薩·麥提賽伊迪;阿里婭古麗·依布熱依木;阿依沙依拉;楊開倫;;堿性次氯酸鈉-苯酚分光光度法測(cè)定甲醇處理的瘤胃液中氨態(tài)氮濃度[J];新疆農(nóng)業(yè)科學(xué);2012年03期

10 陳東;屈小丹;富俊才;;葵花籽對(duì)羊組織共軛亞油酸沉積及相關(guān)酶基因表達(dá)的影響[J];中國農(nóng)業(yè)大學(xué)學(xué)報(bào);2012年01期

相關(guān)博士學(xué)位論文 前1條

1 趙天章;日糧油脂類型對(duì)羊肉脂肪酸和肌內(nèi)脂肪含量的影響及其機(jī)理[D];中國農(nóng)業(yè)大學(xué);2014年

相關(guān)碩士學(xué)位論文 前1條

1 趙春艷;沙蔥和油料籽實(shí)對(duì)綿羊瘤胃發(fā)酵及免疫機(jī)能的影響[D];內(nèi)蒙古農(nóng)業(yè)大學(xué);2005年

，

本文編號(hào)：1761092