饲喂稻谷对有机蛋鸡生产性能和蛋品质影响与有机鸡蛋与常规鸡蛋的蛋品质分析

《饲喂稻谷对有机蛋鸡生产性能和蛋品质影响与有机鸡蛋与常规鸡蛋的蛋品质分析》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、饲喂稻谷对有机蛋鸡生产性能和蛋品质影响及有机鸡蛋与常规鸡蛋的蛋品质研究3(P

2、eandeconomicefficiency．Theconditionalfarmercouldusepaddyreplace15％rationtogetmoreincomeduringtheperiodthatthelowflee-rangelayinghenswereinlowperformance．Experiment2：TheresearchofeggqualityandtheeffectsofpaddypartialsubstitutionoffeeddietsoneggqualityinorganicgreenshelllayinghensAccordingtothe

3、groupingofexperimentl，Wecollectedthreeeggsamplesofthreetreatmentsinthetrialof21dand42d，atthesametimeboughtthreekindsofconventionaleggsinthemarkettoanalysisofeggquality．Itshowedthatthereisnosignificantdifferencebetweenthreetreatmentsineggshapeindex，eggshellstrengthandthickness，eggshellratio，yo

4、lkratio，haughunit，watercontentratioofalbumenandyolk，crudeproteincontentinalbumen，crudefatandcholesterolcontentinyolk，SFA，MUFA，PUFA，n-6PUFA，n-6P1用A／n-3PUFAratio(P>0．05)；Justat42dtreatment1ifsignificantlyhigherthantreatment2and3inn-3PUFAcontent(P

5、>0．05)；Butfeedingonpaddyhasadownwardtrendintheyolkcolor，andat42dtreatment1significantlylowerthancontrolgroup(P<0．01)，nodifferencebetweentreatment2and3(／9>0．05)．Compared诵tllthreekindsofconventionaleggs，organicgreenshelleggsshowextremelysignificanthigherindexineggyolkratio，yolkcolorandhaughunit

6、(P<0．O1)；Atthesametime，organiceggscontainhighn-6PUFA／n-3PUFAratio，andsignificantlyhigherthantheconventionalgreenshelleggsandpinkshelleggs(P<0．01)．Inconclusion，feedingpaddyCanimproveorganicn-3PUFAcontentineggyolk，butfeedingmorequantitymaycausethelossofyolkcolor；Comparedwiththeconventionaleggs，

7、organicgreenshelleggsshowbetterquality．KEYWORDS：Organic；Greenshelllayinghens；Paddy；EggqualityIV引言有机农业(O瑁aIlicA鲥culture)是指在生产中完全或基本不用人工合成的肥料、农药、生长调节剂和畜禽饲料添加剂，而采用有机肥满足作物营养需求的种植业，或采用有机饲料满足畜禽营养需求的养殖业。有机食品指来自有机农业生产体系，根据有机农业生产的规范生产加工，并经独立的认证机构认证的农产