三峽庫區(qū)新榮昌豬I系利用與推廣研究.pdf

1、jr783624四J|I農業(yè)大學碩士學位論文三峽庫區(qū)新榮昌豬系利用與推廣研究學位類別領域名稱研究方向姓名指導教師農業(yè)推廣碩土蔓墮量堡星星二00四年十月StudiesonusingandPopuIariZingofNewRongohangPigIinShanxiaAreaABSTRACT：Inthispaper，somequalitycharacteristicsofNewRongchangPig1weredeterminatedther

2、esultsofcrossbreedingandthepropernutrition1evelwerestudied，reproductionperfor『【【anceswereanaIyzed，andthewh01esetoffeedingmanagementrulesandthequantitystandardsofsowswhichwerepermittedoutofhogpensweredrawnupA11technicande

3、conomicindexesoftheitomwereaccompshedbymeansofoperationdepartmentscombinedwithadministrationdepartfI|!ents，scientificresearchcombinedwithproduction，setectingandbreedingcombinedwithpopularizingaswellasal1sottsofabroadpubl

4、icizingandtechnicdirectionsMorethen200SOWSofNewRongchangPig1wereraisedineachsecondaryreproductionhogpen。254Pi91etswereproducedbyeachSOWperyearonanaverage，thesurvivalrateofweanlingPigswas91。64％，thedaysofmarketPigsupto90kg

5、1iveweightwere166。7d，thefeedconversionwas303，andthecarcass1eanratewas604％。annua1grossoutputvalueandnetincomeswere18576and18576millionsrespectively，andmade10770transmigrantsincreasetheirincomes。Furthermore，thebuitdingandm