Forabosco, Flavio
- Institutionen för husdjurens biovetenskaper, Sveriges lantbruksuniversitet
Sammanfattning
Developmentsinbiotechnologyoverthepast25yearshaveallowedscientiststoengineer geneticallymodified(GM)animalsforuseinvariousareasofagricultureandmedicine.The greatmajorityofGManimalsandfisharecurrentlyonlyattheresearchstage.However,some animalswithananticipateduseinfoodproductionareclosetoreachingthegroceryshelf-at least,theywillbesoonavailableformarketing.GMlivestockincludemanydifferentkindsof animalsandspeciesmodifiedwiththeintention ofimprovingeconomicallyimportanttraits such asgrowth-rate,qualityofmeat,milkcomposition,diseaseresistanceandsurvival.Pigs havebeenengineeredtogrowfasterandtoproducemoremeatwithlessfeed;the compositionofporkhasalsobeenimprovedforhealthierhumanconsumption.Scientists havepaidparticularattentiontopighealth,raisingpigletsurvivalrates,reducingtherisksof infectiousdisease,andfortifyingtheporcineimmunesystem.Sheephavebeenmodifiedto improvewoolproductionandimmunity,and toreducetheriskofmortalityfollowing infectionsbybacteriaandlethalviruses.Growth-rateinchickenshasbeenincreasedwithonly limitedsuccess,becauseconventionalselection hasalreadyimprovedthistraitclosetoits biological limit.However,diseaseresistance(e.g.toH5N1)andthesurvivalofnewlyhatched chicks havebeenimproved.Udderhealthandsurvivalarethemostimportanttraitsimproved by transgenictechnologyincattle.GMcowswith resistancetoBSEhavebeenbred.Similar traitsaretargetedinfish,dominatedbysalmon, carpandtilapiaspecies,wherethefocusison meat production,meatquality,anddiseaseresistance.ThenumberofGMfarmanimalsand fish developedinlaboratoriesisincreasing,butforthepresentthenumberofspeciescloseto enteringthemarketremainssmall .
Publicerad i
Livestock Science
2013, volym: 153, nummer: 1-3, sidor: 9 p
Utgivare: Elsevier
SLU författare
Rydhmer, Lotta
- Institutionen för husdjurens biovetenskaper, Sveriges lantbruksuniversitet
- Institutionen för husdjurens biovetenskaper, Sveriges lantbruksuniversitet
Globala målen (SDG)
UKÄ forskningsämne
Genetik och förädling inom lantbruksvetenskap
Fisk- och akvakulturforskning
Publikationens identifierare
- DOI: https://doi.org/10.1016/j.livsci.2013.01.002
Permanent länk till denna sida (URI)
https://res.slu.se/id/publ/51409