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Effect Of Cu (â…¡)-Exchange Silicate Nanoparticles On The Performance Of Different Species Of Weaned Pigs

Posted on:2009-10-04Degree:MasterType:Thesis
Country:ChinaCandidate:Z P GuanFull Text:PDF
GTID:2143360245485643Subject:Animal Nutrition and Feed Science
Abstract/Summary:PDF Full Text Request
In this paper, the adoption of the following five tests on copper silicate containing-nanoparticles of different varieties of hybrid pig weaning growth of research.Test 1. Silicate containing copper nanoparticles of different varieties of hybrid weaned pig growth performance of the study. Choice of 35±2 days of weaning, Duroc×Large white" and " Duroc×Seghers " two pigs a total of 48 varieties, each Variety 24, The mother were taken between the half, (i): 0-3 weeks after weaning in the test results show that :Ⅰ. Duroc×Large white" pig: 0-3 weeks after weaning: nano-copper group and the high copper group, eventually reduce the weight of the 16.36 percent, final weight significantly (P <0.05). Copper higher than the average daily gain of 23.68 percent lower group, significantly (P <0.05). Bibi-high copper expected an increase of 19.64 percent group, the difference was not significant (P> 0.05). Each group, the average intake differences are not significant (P> 0.05);Ⅱ. " Duroc×Seghers " Pig: 0-3 weeks after weaning, high-nanometer copper and copper group compared to the end weight ratio improved nano-copper group 14.24 percent, significantly (P <0.05). Average daily gain than the nano-copper group increased 5.03 percent, significantly (P <0.05). Bibi nano-materials group lower copper 3.36 percent, significantly (P <0.05). Each group, the average intake differences are not significant (P> 0.05); (ii): 4-6 weeks after weaning in the test results showed that:Ⅰ. Duroc×Large white" pig: 4-6 weeks after weaning: nano-copper group Compared with the high copper, the end-the difference was not significant (P> 0.05). Nano-high copper and copper group compared with an average daily gain higher than copper group increased 13.24 percent, significantly (P <0.05). Nano-high copper and copper group compared to expected heavy Bibi high copper group decreased 11.88 percent, significantly (P <0.05). Each group, the average intake differences are not significant (P> 0.05).Ⅱ. " Duroc×Seghers " Pig: 4-6 weeks after weaning: nano-copper group and the high copper group, the group finally re-Copper higher than the 6.1 percent increase, the difference was not significant (P> 0.05). Nano-high copper and copper group compared with an average daily gain higher than Copper Group increased 4.74 percent, significantly (P <0.05). Nano-high copper and copper group compared to expected heavy Bibi high copper group decreased 2.33 percent, the difference was not significant (P> 0.05). Each group, the average intake differences are not significant (P> 0.05).Test 2: containing copper silicate nanoparticles of different varieties weaned pig manure in the microbial flora impact study. With a pilot experimental design. The results showed that:Ⅰ. Duroc×Large white"pig:①nano-containing copper silicate Duroc×Large white" pig manure in the impact of E. coli. Copper group and nanotechnology group, the number of E. coli bacteria than the nano-copper group increased by 4.28% (P <0.05), significantly;②nano-containing copper silicate Duroc×Large white" pig manure in the impact of Salmonella . Copper group and nanotechnology group, the number of Salmonella bacteria than the nano-copper group increased by 4.02% (P <0.05), significantly;③nano-containing copper silicate Duroc×Large white" pig manure in the PH value of bacilli The impact. Copper group and nanotechnology group, the bacilli in the PH value than the nano-copper group increased by 5.23% (P <0.05), significantly;Ⅱ. " Duroc×Seghers " Pig:①nano-containing copper silicate " Duroc×Seghers "Pig manure in the impact of E. coli. Compared with the nano-copper, the number of E. coli bacteria than the nano-copper group increased by 4.53% (P <0.05), significant differences.②nano-containing copper silicate " Duroc×Seghers "Salmonella in pig manure impact. Copper group and nano-copper group, the number of Salmonella bacteria than the nano-copper group increased by 5.87% (P <0.05), significant differences.③nano-containing copper silicate " Duroc×Seghers " pig manure in the PH value of the bacilli. Copper group and nano-copper group, an increase of 5.87% (P <0.05), significant differences.Test 3: containing copper silicate nanoparticles of different varieties weaned piglets in the stool content of copper. With a pilot experimental design. The results showed that:Ⅰ. Duroc×Large white" pig: nano-copper group and control group and feces in the lower copper content of 3.9 percent, the difference was not significant (P) 0.05); high copper group compared with the control group, the faeces of copper In an increase of 307 percent, significantly (P <0.05); nanometer copper group and the high copper group, the faeces of the lower copper content of 76.4 percent, significantly (P <0.05).Ⅱ. " Duroc×Seghers "Pig: containing nanoparticles of copper silicate, "Dusi" weaned piglets in the stool content of copper. Nano-copper group and control group and feces in the lower copper content of 19.91 percent, significantly (P <0.05); high copper group and control group and feces in the copper content increased by 248 percent, significantly (P <0.05 ); Nanometer copper group and the high copper group, the faeces of the lower copper content of 77 percent, significantly (P <0.05).Test 4: containing copper silicate nanoparticles of different varieties weaned piglets in the liver contents of trace elements. The results showed that: (i) containing nanoparticles of copper silicate, Duroc×Large white" and Duroc×Seghers " weaned piglets liver copper content.Ⅰ. Duroc×Large white"pig: nano-copper group compared with the control group, liver copper content in an increase of 17.7 percent, the difference was not significant (P) 0.05); high copper group compared with the control group, liver copper content increased 178 %, Significantly (P <0.05); nanometer copper group and the high copper group, liver copper content in the lower 57.7 percent, significantly (P <0.05).Ⅱ. Duroc×Seghers " Pig: nano-copper group compared with the control group, liver copper content in an increase of 31.4 percent, significantly (P <0.05); high copper group compared with the control group, liver copper content increased 279% , Significantly (P <0.05); nanometer copper group and the high copper group, liver copper content in the lower 65.3 percent, significantly (P <0.05). (Ii) containing nanoparticles of copper silicate, Duroc×Large white" and Duroc×Seghers "weaned piglets liver iron content.Ⅰ. Duroc×Large white" pig: nano-copper group compared with the control group, liver iron content in the lower 15.8 percent, significantly (P <0.05); high copper group compared with the control group, the iron content in the liver to increase 6.25 percent , Significantly (P <0.05); nanometer copper group compared with the high copper, iron content in the liver decreased 20.8 percent, significantly (P <0.05).Ⅱ. Duroc×Seghers " Pig: nano-copper group compared with the control group, liver iron content in the lower 7.23 percent, significantly (P <0.05); high copper group compared with the control group, the iron content in the liver to increase 8.75 percent , Significantly (P <0.05); nanometer copper group compared with the high copper, iron content in the liver decreased 14.7 percent, significantly (P <0.05). (Iii) containing nanoparticles of copper silicate, Duroc×Large white" and Duroc×Seghers "weaned piglets liver zinc content.Ⅰ. Duroc×Large white" pig: nano-copper group compared with the control group, the zinc content of the liver in an increase of 2.47 percent, the difference was not significant (P) 0.05); high copper group compared with the control group, in the zinc content of the liver 4.02 %, The difference was not significant (P) 0.05); nanometer copper group compared with the high copper, zinc content in the feces of the 1.48 percent lower, the difference was not significant (P) 0.05).Ⅱ. Duroc×Seghers "Pig: nano-copper group compared with the control group, liver zinc content in the lower 2.13 percent, the difference was not significant (P) 0.05); high copper group compared with the control group, in the zinc content of the liver 3.03 %, The difference was not significant (P) 0.05); nanometer copper group compared with the high copper, zinc content of the liver in the lower 5.02 percent, the difference was not significant (P) 0.05).Test 5: containing copper silicate nanoparticles of different varieties weaned piglets serum growth hormone content.Ⅰ. Duroc×Large white" pig:①pigs in the trial, nano-copper group compared with the control group, serum growth hormone in an increase of 5.56 percent, significantly (P <0.05); high copper group compared with the control group , Serum growth hormone in an increase of 9.72 percent, significantly (P <0.05); nanometer copper group and the high copper group, serum growth hormone in an increase of 3.8 percent, the difference was not significant (P) 0.05).②from piglets born, weaned to the end of test, serum growth hormone in comparison are as follows: weaning group and the group was born, serum growth hormone in an increase of 62.3 percent, significantly (P <0.05); test group (2.37 ng / ml) compared with the birth, growth hormone serum in an increase of 207 percent, significantly (P <0.05); weaning group and the test group, the serum growth hormone levels reduce the 52.7 percent, significantly (P <0.05).Ⅱ. Duroc×Seghers "Pig:①pigs in the trial, nano-copper group compared with the control group, serum growth hormone in an increase of 20.87 percent, significantly (P <0.05); high copper group compared with the control group , Serum growth hormone in an increase of 3.48 percent, the difference was not significant (P) 0.05); nanometer copper group and the high copper group, serum growth hormone in an increase of 16.8 percent, significantly (P <0.05).②from piglets born, weaned to the end of test, serum growth hormone in comparison are as follows: weaning group and the group was born, serum growth hormone in an increase of 44.08 percent, significantly (P <0.05); test group (2.78 ng / ml) compared with the birth, growth hormone serum in an increase of 199 percent, significantly (P <0.05); weaning group and the test group, the serum growth hormone levels reduce the 51.8 percent, significantly (P <0.05).
Keywords/Search Tags:Copper-loaded Silicate Nanoparticles, stool, microbial flora, weaned piglets, "Duroc×Large white"pig, " Duroc×Seghers "pig, trace elements, growth hormone
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