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改性修飾氧化鋅對(duì)斷奶仔豬飼喂效果研究

發(fā)布時(shí)間:2018-05-28 00:20

  本文選題:改性修飾氧化鋅 + 斷奶仔豬 ; 參考:《河南農(nóng)業(yè)大學(xué)》2015年碩士論文


【摘要】:本試驗(yàn)比較了改性修飾氧化鋅和普通氧化鋅在斷奶仔豬生產(chǎn)中的飼喂效果,研究了改性修飾氧化鋅對(duì)仔豬生產(chǎn)性能,腹瀉率,養(yǎng)分消化率,腸壁通透性和抗氧化功能的影響。本研究分為以下3個(gè)試驗(yàn)部分。試驗(yàn)一改性修飾氧化鋅對(duì)斷奶仔豬的生長(zhǎng)性能和腹瀉的影響本試驗(yàn)選用120頭,21日齡斷奶仔豬,隨機(jī)分為3個(gè)處理組,每個(gè)處理4個(gè)重復(fù),每個(gè)重復(fù)10頭豬。對(duì)照組,飼喂在基礎(chǔ)日糧中添加2250mg/kg(以鋅計(jì))普通氧化鋅的飼糧。試驗(yàn)I組,飼喂在基礎(chǔ)日糧中添加760mg/kg(以鋅計(jì))改性修飾氧化鋅的飼糧。驗(yàn)II組,飼喂在基礎(chǔ)日糧中添加1140mg/kg(以鋅計(jì))改性修飾氧化鋅的飼糧。飼養(yǎng)試驗(yàn)進(jìn)行2周,試驗(yàn)期間以重復(fù)為單位,記錄仔豬的初重、末重,每日仔豬的腹瀉頭數(shù),全期耗料量。通過(guò)測(cè)定不同處理組斷奶仔豬的生長(zhǎng)性能(ADG,ADFI,F/G)和腹瀉率。來(lái)研究改性修飾氧化鋅的促生長(zhǎng)和抗腹瀉效果。結(jié)果顯示:1、與普通氧化鋅相比,添加760mg/kg鋅的改性修飾氧化鋅可以顯著提高仔豬的ADG(P0.05),腹瀉率差異不顯著(P0.05)。添加1140mg/kg鋅的改性修飾氧化鋅可以顯著提高仔豬的ADG(P0.01)和ADFI(P0.05),腹瀉率也顯著降低(P0.05)。2、與760mg/kg鋅的改性修飾氧化鋅相比,飼喂1140mg/kg鋅的改性修飾氧化鋅能顯著提高仔豬ADG(P0.05),顯著降低腹瀉率(P0.05)。3個(gè)組之間料重比差異并不顯著(P0.05)。本試驗(yàn)得出:改性修飾氧化鋅可以改善仔豬的生長(zhǎng)性能和腹瀉率。1140mg/kg鋅的改性修飾氧化鋅的飼喂效果要好于760mg/kg鋅的改性修飾氧化鋅,能進(jìn)一步改善仔豬的生長(zhǎng)性能和降低仔豬腹瀉率,且達(dá)到顯著水平。試驗(yàn)二改性修飾氧化鋅對(duì)斷奶仔豬養(yǎng)分消化率及鋅排泄的影響在試驗(yàn)一飼養(yǎng)試驗(yàn)結(jié)束后,在其基礎(chǔ)上進(jìn)行消化試驗(yàn),以重復(fù)為單位進(jìn)行收糞、采集飼料樣,采用4N鹽酸不溶灰分法測(cè)定養(yǎng)分消化率,同時(shí)測(cè)定鋅元素含量。本試驗(yàn)得出:1、與普通氧化鋅組相比,飼喂改性修飾氧化鋅可以顯著提高仔豬對(duì)干物質(zhì),粗蛋白,粗脂肪和鈣、磷的表觀消化率(P0.05或P0.01),且可以降低鋅元素的排泄量;2、與760mg/kg鋅的改性修飾氧化鋅組相比,1140mg/kg鋅的改性修飾氧化鋅組只有磷的消化率得到顯著提高(P0.05),其它養(yǎng)分消化率差異不顯著(P0.05),但均有提高的趨勢(shì)。結(jié)論:兩組改性修飾氧化鋅均極顯著提高仔豬養(yǎng)分的消化率,且大大減少鋅排泄量。飼喂不同劑量改性修飾氧化鋅,養(yǎng)分消化率除磷外,差異不顯著。試驗(yàn)三改性修飾氧化鋅對(duì)斷奶仔豬消化酶活力、腸壁通透性及抗氧化功能的影響在試驗(yàn)一期滿結(jié)束后,以此為基礎(chǔ),每個(gè)重復(fù)選擇3頭長(zhǎng)勢(shì)平均的仔豬前腔靜脈采血,離心獲得血清,放入-40℃保存。使用購(gòu)自南京建成試劑盒測(cè)定血清中脂肪酶,淀粉酶,胰蛋白酶,二胺氧化酶,D-乳酸,總超氧化物歧化酶,谷胱甘肽過(guò)氧化物酶含量。1、與普通氧化鋅相比,飼喂1140mg/kg改性修飾氧化鋅可以顯著提高脂肪酶活力(P0.05),顯著提高仔豬的谷胱甘肽過(guò)氧化物酶活力(P0.05);2、與760mg/kg鋅的改性修飾氧化鋅組相比,1140mg/kg鋅的改性修飾氧化鋅組顯著提高了脂肪酶活力(P0.05),顯著提高了谷胱甘肽過(guò)氧化物酶活力(P0.05)。3、其它指標(biāo)隨著改性修飾氧化鋅添加量的提高,均有改善的趨勢(shì),但均未達(dá)到顯著水平。結(jié)論:飼喂改性修飾氧化鋅有提高仔豬消化酶活力的趨勢(shì),降低腸壁通透性的趨勢(shì)和增強(qiáng)抗氧化功能的趨勢(shì)。其中,脂肪酶活力和谷胱甘肽過(guò)氧化物酶活力得到顯著提高。
[Abstract]:The effects of modified Zinc Oxide and ordinary Zinc Oxide in the production of weanling piglets were compared in this experiment. The effects of modified modified Zinc Oxide on the production performance, diarrhea rate, nutrient digestibility, intestinal permeability and antioxidant function of piglets were studied. The study was divided into 3 test parts. The experiment modified the modified Zinc Oxide for weaning piglets. The effects of the growth performance and diarrhea of pigs were 120, 21 days old weaned piglets randomly divided into 3 treatment groups, each treated with 4 repetitions, each repeated 10 pigs. The control group was fed with the diet of 2250mg/kg (zinc) in the basal diet. Test I group was fed with 760mg/kg (zinc meter) in the basal diet. To modify the diet of Zinc Oxide. The II group was fed with the diet of 1140mg/kg modified with zinc in the basal diet. The feeding experiment was carried out for 2 weeks. During the experiment, the initial weight, the final weight, the number of diarrhea in the piglets and the total consumption of the piglets were recorded during the experiment. The growth performance of the weanling piglets in different treatment groups was measured. (ADG, ADFI, F/G) and diarrhea rate. To study the growth promoting and anti diarrhea effect of modified Zinc Oxide. The results showed that: 1, the modified modified Zinc Oxide with 760mg/kg zinc can significantly improve the ADG (P0.05) of piglets compared with the ordinary Zinc Oxide, and the difference of diarrhea rate is not significant (P0.05). The modified modified Zinc Oxide can significantly improve the addition of 1140mg/kg zinc. The ADG (P0.01) and ADFI (P0.05) of piglets decreased significantly (P0.05).2. Compared with the modified Zinc Oxide of 760mg/kg zinc, the modified modified Zinc Oxide fed with 1140mg/kg zinc could significantly increase the ADG (P0.05) of piglets (P0.05) and significantly lower the diarrhea rate (P0.05) in the.3 groups. Zinc can improve the growth performance and diarrhea rate of piglets.1140mg/kg zinc modified Zinc Oxide feeding effect is better than 760mg/kg zinc modified Zinc Oxide, can further improve the growth performance of piglets and reduce piglet diarrhea rate, and reach a significant level. Experiment two modified trimming Zinc Oxide for weanling piglets nutrient digestibility and zinc The effect of excretion was carried out on the basis of the experiment at the end of the experiment. The digestibility test was carried out on the basis of the experiment. The nutrient digestibility was measured by the 4N hydrochloric acid insoluble ash method and the content of zinc was measured by the 4N hydrochloric acid insoluble ash method. The results of the experiment were as follows: 1, the modified modified Zinc Oxide could be significantly raised compared with the ordinary Zinc Oxide group. The apparent digestibility (P0.05 or P0.01) of high piglets on dry matter, crude protein, crude fat and calcium (P0.05 or P0.01) and the excretion of zinc can be reduced. 2, compared with the modified Zinc Oxide group, the digestibility of the modified Zinc Oxide group was significantly increased (P0.05), and the difference of other nutrient digestibility was not significant (P0.0). 5), but there was a trend of improvement. Conclusion: the two groups of modified modified Zinc Oxide significantly improved the nutrient digestibility of piglets, and greatly reduced zinc excretion. The difference was not significant after feeding different doses of modified modified Zinc Oxide, nutrient digestibility and phosphorus removal. The experiment modified Zinc Oxide on digestive enzyme activity, intestinal wall permeability and oxygen resistance of weanling piglets. The effect of chemical function was on the basis of the end of the trial period, on the basis of which the blood was collected from the anterior vena cava of 3 heads of piglets, and the serum was obtained by centrifugation and stored at -40 C. The serum lipase, amylase, trypsin, two amine oxidase, D- lactic acid, total superoxide dismutase, valley cysteine, and valley cysteine were measured from the Nanjing built kit. The content of glypeptide peroxidase was.1, compared with the common Zinc Oxide, the lipase activity (P0.05) and glutathione peroxidase activity (P0.05) were significantly increased by feeding 1140mg/kg modified Zinc Oxide, and 2, compared with the modified modified Zinc Oxide group with 760mg/kg zinc, the modified Zinc Oxide group of 1140mg/kg zinc was significantly improved. Lipase activity (P0.05) significantly increased the activity of glutathione peroxidase (P0.05).3. Other indexes improved with the increase of modified Zinc Oxide added, but all did not reach a significant level. Conclusion: feeding modified modified Zinc Oxide could increase the trend of digestive enzyme activity in piglets and reduce the trend and increase of intestinal permeability. The activity of strong antioxidative function showed that lipase activity and glutathione peroxidase activity increased significantly.
【學(xué)位授予單位】:河南農(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)】:S828.5

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