發(fā)布時(shí)間：2018-03-11 15:38

  本文選題：松針多糖　切入點(diǎn)：生產(chǎn)性能　出處：《江西農(nóng)業(yè)大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：松針中含有多種畜禽所需的營(yíng)養(yǎng)成分,以及多糖、黃酮、皂苷等功能活性成分,具有一定的藥理功效,可以開(kāi)發(fā)成新型綠色飼料添加劑。本試驗(yàn)以松針多糖為研究對(duì)象,通過(guò)在基礎(chǔ)日糧中添加不同水平的松針多糖,研究松針多糖對(duì)肉雞生產(chǎn)性能、屠宰性能、血清生化指標(biāo)以及免疫機(jī)能的影響,探討松針多糖對(duì)肉雞生產(chǎn)性能的影響及作用機(jī)制。試驗(yàn)選用體重相近的815肉雛雞300只,隨機(jī)分為五組,每組四個(gè)重復(fù),每個(gè)重復(fù)15只雞,分別設(shè)對(duì)照組(基礎(chǔ)日糧)、抗生素組(基礎(chǔ)日糧+0.50%抗敵素)、0.05%、0.10%、0.15%松針多糖組(基礎(chǔ)日糧+0.05%、0.10%、0.15%的松針多糖),飼養(yǎng)63 d。測(cè)定不同階段肉雞生產(chǎn)性能、屠宰性能、血清生化指標(biāo)以及免疫機(jī)能等相關(guān)指標(biāo)的變化。結(jié)果表明:(1)與對(duì)照組相比,添加松針多糖抑制了雞只采食,促進(jìn)日增重,降低了料重比(P0.05),提高了肉雞的生產(chǎn)性能,其效果接近抗生素組。松針多糖的促生長(zhǎng)作用主要體現(xiàn)在生長(zhǎng)中期(22~42 d),且隨著松針多糖添加量的上升,815肉雞日增重呈現(xiàn)先增加后降低的趨勢(shì),以0.10%松針多糖添加組最高(P0.05)。(2)松針多糖對(duì)肉雞的屠宰性能無(wú)明顯影響(P0.05),除在肉雞生長(zhǎng)后期(43~63 d)0.05%多糖組極顯著的提高了肉雞的屠宰率(P0.01),比對(duì)照組提高了4.62%。(3)0.05%松針多糖可以提高肉雞生長(zhǎng)中期的血糖濃度(P0.05),促進(jìn)機(jī)體糖代謝;提高總蛋白和白蛋白的含量,促進(jìn)蛋白質(zhì)代謝;顯著降低膽固醇、低密度脂蛋白的含量(P0.05),有一定的降脂功效,但在后期添加松針多糖反而有相反的作用。(4)松針多糖對(duì)肉雞的免疫器官指數(shù)無(wú)明顯影響(P0.05),但能夠顯著的提高肉雞血清中腫瘤壞死因子、白細(xì)胞介素2的濃度和胸腺中胸腺素的濃度(P0.05)。其中0.05%松針多糖效果最好,白細(xì)胞介素2的濃度比對(duì)照組提高了176%(P0.01),腫瘤壞死因子的濃度提高32.4%(P0.05)。在生長(zhǎng)后期,胸腺素以0.10%多糖組效果較佳,比對(duì)照組提高了62.2%(P0.05)。松針多糖通過(guò)提高雞只的體液免疫指標(biāo),加強(qiáng)雞只的免疫機(jī)能,從而達(dá)到提高肉雞生產(chǎn)性能的作用,其效果接近抗生素組。且在生長(zhǎng)前中期添加松針多糖還有調(diào)節(jié)機(jī)體脂代謝的效果�？傮w來(lái)看,815肉雞添加0.05%的松針多糖能取得較好的效果。
[Abstract]:Pine needle contains many kinds of nutrition components needed by livestock and poultry, as well as polysaccharides, flavonoids, saponins and other functional active ingredients. It has certain pharmacological effects and can be developed into a new type of green feed additive. By adding different levels of pine needle polysaccharides to the basal diet, the effects of pine needle polysaccharides on the performance, slaughter performance, serum biochemical index and immune function of broilers were studied. To explore the effect and mechanism of pine needle polysaccharides on the performance of broilers, 300 chicks of 815 chicks of similar body weight were randomly divided into five groups, with four replicates in each group and 15 chickens in each replica. Control group (basal diet) and antibiotic group (basal diet 0.50%) with 0.15% pine needle polysaccharide (basal diet 0.50%) and 0.15% pine needle polysaccharide (basal diet 0.05) were divided into two groups. The performance and slaughtering performance of broilers at different stages were measured. The results showed that compared with the control group, the addition of pine needle polysaccharides inhibited the feed intake, promoted the daily gain, decreased the feed weight ratio (P 0.05), and improved the performance of broilers. The effect of Pine Needle Polysaccharide was similar to that of antibiotic group. The effect of Pine Needle Polysaccharide on growth was mainly reflected in the middle growth period of 22 ~ 42 days, and with the increase of Pine Needle Polysaccharide content, the daily gain of Pine Needle Polysaccharide increased first and then decreased. (0.10% pine needle polysaccharide addition group, highest (P0.05P0.05U. 2)) pine needle polysaccharides had no significant effect on slaughter performance of broilers. Except for the control group, the slaughter rate of broiler chickens was significantly increased by 4.622... 30.05% compared with that of the control group, except that in the group of 0.10% pine needle polysaccharides added at 43 ~ 63 days after the growth of broilers, the slaughter rate of broilers was increased significantly. The percentage of P0.01g was increased by 4.62.30.05% compared with that of the control group. In order to increase the blood glucose concentration of broiler in the middle growth period (P0.05N), promote the metabolism of body sugar; Increase the content of total protein and albumin, promote protein metabolism, significantly reduce cholesterol, low density lipoprotein content of P0.05N, have a certain effect of lowering fat, However, the addition of pine needle polysaccharides in the later stage had the opposite effect on the immune organ index of broilers, but could significantly increase the tumor necrosis factor in the serum of broilers, but had no significant effect on the immune organ index of broilers. The concentration of interleukin 2 and thymosin in thymus was P0.050.The concentration of 0.05% pine needle polysaccharides was the best. The concentration of interleukin 2 was 176p 0.01m higher than that of the control group, and the concentration of tumor necrosis factor was increased 32.4% P0.050.In the later stage of growth, the concentration of interleukin 2 was higher than that of the control group. The effect of thymosin 0.10% polysaccharide group was better than that of the control group, which increased 62.2% P0.050.The pine needle polysaccharide enhanced the immune function of broilers by improving the humoral immunity index of chickens, thus achieving the effect of improving the performance of broiler chickens. The effect was close to that of antibiotic group, and the effect of adding pine needle polysaccharide in the middle of growth period and regulating the lipid metabolism of the body. In general, the addition of 0.05% pine needle polysaccharides could get a better effect.
【學(xué)位授予單位】：江西農(nóng)業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：S831.5

【相似文獻(xiàn)】

相關(guān)期刊論文 前10條

1 孫耀華 ,楊奎林;天然松針飼料的開(kāi)發(fā)應(yīng)用[J];江西飼料;2001年05期

2 劉曉庚,陳梅梅;我國(guó)松針的利用研究[J];糧食與飼料工業(yè);2002年06期

3 劉峰;巧用松針?lè)踇J];農(nóng)村科技開(kāi)發(fā);2004年02期

4 李瑞民;圍場(chǎng)滿族蒙古族自治縣松針?lè)凵�產(chǎn)的必要性與可行性分析[J];河北林業(yè)科技;2005年05期

5 羅士津;瞿明仁;;松針?lè)鄣难芯考皯?yīng)用進(jìn)展[J];今日畜牧獸醫(yī);2006年12期

6 羅士津;瞿明仁;;松針?lè)鄣难芯考皯?yīng)用進(jìn)展[J];飼料工業(yè);2007年03期

7 張桂榮;;松針?lè)埏曃股唐酚�肥豬效果觀察[J];畜牧獸醫(yī)科技信息;2007年10期

8 劉寧;賴娜;席亞妮;劉佳麗;李宇;;松針?lè)塾行С煞旨帮曈眯Ч�研究進(jìn)展[J];湖南飼料;2013年05期

9 ;松針?lè)埏曃剐笄菪Ч�好[J];今日科技;1982年07期

10 周維純;趙秀藏;徐永剛;張禮吉;李榮華;李永榮;騰明山;;松針?lè)凵�產(chǎn)設(shè)備的研制[J];飼料機(jī)械;1982年04期

相關(guān)會(huì)議論文 前1條

1 王偉;王學(xué)兵;劉菲;張俊;申鏞誠(chéng);張紅英;;松針對(duì)雛雞免疫功能的影響[A];中國(guó)畜牧獸醫(yī)學(xué)會(huì)中獸醫(yī)學(xué)分會(huì)2013年學(xué)術(shù)年會(huì)論文集[C];2013年

相關(guān)重要報(bào)紙文章 前10條

1 曉霞;松針?lè)郏贺i的好飼料[N];河南科技報(bào);2002年

2 曉霞;豬的好飼料——松針[N];山東科技報(bào);2002年

3 章丘市畜牧局 邢攸荷;松針?lè)墼谛笄蒿曫B(yǎng)中的應(yīng)用[N];山東科技報(bào);2005年

4 曉霞;松針是豬的好飼料[N];云南科技報(bào);2002年

5 潘繼蘭;松針?lè)�，，豬的好飼料[N];經(jīng)濟(jì)日?qǐng)?bào).農(nóng)村版;2006年

6 李巧云;雞喂松針?lè)郛a(chǎn)蛋多[N];農(nóng)民日?qǐng)?bào);2005年

7 邢攸荷;松針?lè)鄣耐练ㄉ�產(chǎn)[N];山東科技報(bào);2005年

8 譚正雙;飲松針?biāo)�可延年益壽[N];湖北日?qǐng)?bào);2003年

9 趙從民;畜禽好飼料 松樹(shù)針葉[N];中國(guó)畜牧報(bào);2003年

10 皖迅;樹(shù)葉喂兔收益高[N];中國(guó)畜牧報(bào);2003年

相關(guān)碩士學(xué)位論文 前3條

1 湯海鷗;酶解提取松針?lè)蹞]發(fā)油和葛根黃酮的研究[D];安徽農(nóng)業(yè)大學(xué);2006年

2 胡耀;松針多糖對(duì)815肉雞生產(chǎn)性能和免疫機(jī)能的影響[D];江西農(nóng)業(yè)大學(xué);2015年

3 李大光;五味子、枸杞子和松針?lè)壑苿┰谟�肥豬生產(chǎn)上的應(yīng)用[D];延邊大學(xué);2007年

本文編號(hào)：1598808