Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/25160
DC FieldValueLanguage
dc.contributor張菊犁zh_TW
dc.contributorChu-Li Zhangen_US
dc.contributor李春芳zh_TW
dc.contributorChuen-Fang Lien_US
dc.contributor.advisor范揚廣zh_TW
dc.contributor.advisorYang-Kwang Fanen_US
dc.contributor.author阮日英zh_TW
dc.contributor.authorAnh, Nguyen Nhaten_US
dc.contributor.other中興大學zh_TW
dc.date2011zh_TW
dc.date.accessioned2014-06-06T07:24:28Z-
dc.date.available2014-06-06T07:24:28Z-
dc.identifierU0005-0802201023505100zh_TW
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dc.identifier.urihttp://hdl.handle.net/11455/25160-
dc.description.abstract將8頭肥育肉羊(平均年齡1.5歲)個別置入個飼籠內並逢機分配至4種飼糧處理組。4種處理飼糧其每公斤乾物質分別含(1) 0 mg、(2) 5 mg、(3) 25 mg及(4)50 mg 由水合鹼式碳酸銅(Cu2(OH)2CO3)又名孔雀石提供之銅。將該碳酸銅依各處理比例溶於氨水並噴灑於商業精料後保存於4℃。本試驗所用之基礎飼糧含50%精料(17.5 ± 1.75 mg Cu/kg DM)與50%盤固乾草(7.62 ± 0.78 mg Cu/kg DM)。結果顯示受試羊之平均日增重及飼料效率於各處理組間無顯著差異。所有受試羊之總平均ADF消化率於第16及第23日顯著高於第9日者(P = 0.0396)。所有受試羊之總平均粗脂肪消化率於第23日最高,第9日者最低(P = 0.0108)。第2處理組羊隻其瘤胃液滲透壓最高,第4處理組者最低(P = 0.0204)。瘤胃內微生物、原蟲數量及pH值於各組間無顯著差異。總揮發性脂肪酸濃度隨著銅添加量之增加而減少(P = 0.0051),但第1處理組及第2處理組間無顯著差異。第3處理組瘤胃內丙酸濃度最高,第4處理組者最低(P = 0.0325)。瘤胃內及糞便內銅濃度隨著飼糧內銅濃度增加而升高(P = 0.0001)。尿銅濃度隨飼糧銅濃度增加而升高之趨勢(P = 0.0537)。全血及血漿中銅濃度於各組間無顯著差異,第4處理組之全血鐵濃度最高,第1處理組者最低。糞便內及瘤胃內鉬及硫濃度與飼糧內鉬及硫含量成正相關。結論,於肥育肉羊飼糧內添加銅對其生長性狀及銅之營養狀態無影響,但會提升動物血液內鐵濃度及降低對銅與鉬之吸收。於飼糧添加銅對肥育肉羊之生長性狀影響甚微,影響僅限 於營養份消化率及瘤胃性狀。zh_TW
dc.description.abstractEight finishing female goats of Nubian crossbred with Taiwan Black (32.7 3.25 kg of body weight) were used to determine the effect of copper supplementation on nutrient digestibility, growth performance, rumen parameters and copper metabolism. Goats were located in individual pens and randomly assigned to four dietary treatments by a completely randomized design. The treatments consisted of basal diet containing (1) 0 mg, (2) 5 mg, (3) 25 mg and (4) 50 mg of copper supplemented/kg DM with copper (II) carbonate dihydroxide (Cu2(OH)2CO3). The copper chemical was dissolved in ammonia water and sprayed on concentrate to make its copper content doubled of being required and kept at 4oC. Basal diet was consisted of 50% concentrate (17.5 1.75 mg Cu/kg DM) and 50% pangola hay (7.62 0.78 mg Cu/kg DM). The results revealed that average daily gain and feed efficiency were not different among the treatments. The digestibilities of ADF varied among the duration days such that measurements on day 16 and day 23 were higher (P < 0.04) than those on the day 9 but not differed from those on day 2. Crude fat digestibility was the highest on the day 23 and lowest (P = 0.0108) on the day 9. Ruminal osmolarity was the highest in goats fed diet 2 and the lowest (P = 0.0204) in goats fed diet 4. Ruminal bacteria and protozoa population as well as pH were not different among the treatments. Content of total rumen volatile fatty acids were decreased (P < 0.01) as copper supplementation increased but no difference was observed between goats fed diet 1 and diet 2. Ruminal propionate content was the highest and the lowest (P = 0.0325) in goats fed with diet 3 and diet 4, respectively. Ruminal fluid and fecal copper concentration increased (P < 0.001) when dietary copper supplementation increased. Copper content in urine tended (P = 0.0537) to increase as dietary copper concentration increased. Copper contents in whole blood and plasma were not different among the treatments whereas iron content in whole blood in the goats fed diet 4 and diet 1 was the highest and the lowest, respectively. Fecal contents of molybdenum and sulfur positively correlated with whereas rumen fluid contents of these elements negatively correlated with the dietary copper supplementation levels. In conclusion, current range of dietary copper supplementation exerts no effect on the growth performance and copper status but increases the blood iron concentration and reduces the absorbabilities of molybdenum and sulfur by animals. Dietary copper supplementation exerts little, if any, effect on nutrient digestibility and ruminal parameters in finishing meat goats.en_US
dc.description.tableofcontentsContents Acknowledgement Abstract Contents I Table contents V Figure contents VII Appendices VIII 1. INTRODUCTION 1 2. LITERATURE REVIEW 4 2.1. History and essentiality of copper 4 2.1.1. Chemical forms of coppers 4 2.1.2. History and essentiality of Cu 5 2.2. Difficulties in methods of analysis and evaluation 7 2.3. Regulation and metabolism 7 2.3.1. Absorption and metabolism 7 2.3.2. Effect on rumen VFA, protozoa and plasma 11 2.3.3. Metabolic interactions and mechanisms of toxicity 12 2.4. Sources and bioavailability 15 2.5. Toxicosis 19 2.6. Single dose and acute toxicosis 20 2.7. Chronic toxicosis 21 3. MATERIALS AND METHODS 23 3.1. Experimental design 23 3.2 Dietary treatments 23 3.3. Animal and feeding 23 3.4. Sample collection 26 3.4.1. Feed 26 3.4.2. Feces and urine 26 3.4.3. Blood 26 3.4.4. Rumen temperature 27 3.4.5. Rumen fluid 27 3.5. Laboratory analysis 29 3.5.1. Ruminal anaerobic bacteria culture 29 3.5.1.1. Anaerobic cultural technique 29 3.5.1.2. Preparation of medium for culturing anaerobic bacteria 29 3.5.1.3. Anaerobic solution for diluting 33 3.5.1.4. Procedure for colony count 33 3.5.2. Ruminal protozoal population count 34 3.5.2.1. Methylgreen-formalin-saline (MFS) solution 34 3.5.2.2. Protozoa count 34 3.5.3. Osmolarity determination 35 3.5.4. Volatile fatty acids determination 35 3.5.4.1. Preparation 35 3.5.4.2. Gas chromatographic method 36 3.5.4.3. Instrument conditions 36 3.5.4.4. Test procedure 36 3.5.4.5. Calculation 37 3.5.5. Dry matter (DM) 37 3.5.6. Gross energy (GE) 37 3.5.7. Crude protein (CP) 39 3.5.7.1. Fluid sample 39 3.5.7.2. Solid sample 39 3.5.8. Analyses of minerals 39 3.5.8.1. Preparation, extraction, and digestion of sample 39 3.5.8.2. Determination 40 3.5.8.2.1. Flame atomization analysis 40 3.5.8.2.1.1. Preparing the stock standard solution 40 3.5.8.2.1.2. Determination method 41 3.5.8.2.2. Graphite furnace atomization analysis 42 3.5.8.2.2.1. Preparation of the stock standard solution 42 3.5.8.2.2.2. Copper analysis 42 3.5.8.2.2.3. Molybdenum analysis 44 3.5.8.3. Sulfate analysis 47 3.5.9. Neutral detergent fiber 48 3.5.9.1. Definition 48 3.5.9.2. Reagents 48 3.5.9.3. Sample preparation 49 3.5.9.4. Procedure 49 3.5.9.5. Calculation 50 3.5.10. Acid detergent fiber 50 3.5.10.1. Definition 50 3.5.10.2. Reagents 51 3.5.10.3. Preparation of sample 51 3.5.10.4. Procedure 51 3.5.10.5. Calculations 52 3.5.11. Crude fiber analysis 52 3.5.11.1. Definition 52 3.5.11.2. Reagents 53 3.5.11.3. Preparation of sample 53 3.5.11.4. Procedure 53 3.5.11.5. Calculations 54 3.5.12. Crude fat analysis 55 3.5.12.1 Preparations 55 3.5.12.2. Processing 55 3.5.12.3. Calculations 55 3.6. Statistical analysis 57 4. RESULTS AND DISCUSSIONS 58 4.1. Growth performance 58 4.2. Feed and water intake 60 4.3. Nutrient digestibility 62 4.4. Rumen parameters 65 4.5. Copper status in blood and rumen fluid 73 4.6. Copper antagonists 81 5. CONCLUSIONS 88 6. REFERENCES 89 Table contents Table 1. Compositions of basal diet 24 Table 2. Mineral concentrations in diets 25 Table 3. Components of medium (98-5+xylan) for rumen anaerobic bacteria 31 Table 4. Mineral solution No. 2 32 Table 5. Temperature program of copper analysis 43 Table 6. Temperature program of molybdenum analysis 45 Table 7. Analytical line and sensitively ratio of molybdenum analysis 46 Table 8. Crude fat content and the sample amount used 56 Table 9. Effect of dietary copper supplementation on growth performance in finishing meat goats 59 Table 10. Effect of dietary copper supplementation on feed and water intake in finishing meat goats 61 Table 11. Effect of dietary copper supplementation on digestibility in finishing meat goats 63 Table 12. Effect of dietary copper supplementation and duration time on digestibility in finishing meat goats 64 Table 13. Effect of dietary copper supplementation and duration time on rumen parameters in finishing meat goats 66 Table 14. Effect of dietary copper supplementation and duration time on rumen osmolarity (mosmol/kg) in finishing meat goats 67 Table 15. Effect of dietary copper supplementation and duration time on rumen protozoa population (105/mL) in finishing meat goats 68 Table 16. Effect of dietary copper supplementation and duration time on rumen anaerobic bacteria population (109/mL) in finishing meat goats 69 Table 17. Effect of dietary copper supplementation on rumen volatile fatty acids in finishing meat goats 71 Table 18. Effect of dietary copper supplementation and duration time on rumen volatile fatty acids in finishing goats 72 Table 19. Effect of dietary copper supplementation and duration time on whole blood Cu Concentration in finishing meat goats 74 Table 20. Effect of dietary copper supplementation and duration time on blood plasma Cu concentration in finishing meat goats 75 Table 21. Effect of dietary copper supplementation on rumen fluid Cu concentration in finishing meat goats 77 Table 22. Effect of dietary copper supplementation and duration time on urinary Cu concentration in finishing meat goats 79 Table 23. Effect of dietary copper supplementation and duration time on fecal Cu concentration in finishing meat goats 80 Table 24. Effect of dietary copper supplementation on whole blood and Blood plasma mineral contents in finishing meat goats 82 Table 25. Effect of dietary copper supplementation on urine, feces and rumen minerals contents in finishing meat goats 83 Table 26. Effect of dietary copper supplementation on correlation among minerals in feces content in finishing meat goats 84 Table 27. Effect of dietary copper supplementation on crenellation among minerals in rumen fluid contents in finishing meat goats 85 Table 28. Correlations among rumen parameters and dietary copper supplementation level in finishing meat goats 87 Figure contents Figure 1. Copper metabolism in human 9 Figure 2. Induced unavailable copper in the rumen 13 Figure 3. Surgeon operation 28 Figure 4. Anaerobic chamber 30 Appendices Figure 1. Anaerobic chamber 101 Figure 2. Microscope 102 Figure 3. Osmomat 030-D 103 Figure 4. Gerhardt Vapodest SOS 104 Figure 5. Calorimeter 105 Figure 6. Volatile fatty acids analysis 106 Figure 7. Crude fat analysis instrument 107 Figure 8. Rumen fluid pump 108 Figure 9. ANKOM200/220 109 Figure 10. Polarized Zeeman atomic absorption spectrometry: Hitachi Z 2700 (A) and Z 5000 (B) 110en_US
dc.language.isoen_USzh_TW
dc.publisher動物科學系所zh_TW
dc.relation.urihttp://www.airitilibrary.com/Publication/alDetailedMesh1?DocID=U0005-0802201023505100en_US
dc.subjectmeat goaten_US
dc.subject山羊zh_TW
dc.subjectcopperen_US
dc.subjectdigestibilityen_US
dc.subjectzh_TW
dc.subject消化率zh_TW
dc.title飼糧添加銅對肥育肉羊之營養分消化率、生長性狀、瘤胃性狀和銅代謝之影響zh_TW
dc.titleEffect of Dietary Copper Supplementation on Nutrient Digestibility, Growth Performance, Rumen Parameters and Copper Metabolism in Finishing Meat Goatsen_US
dc.typeThesis and Dissertationzh_TW
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