养猪
養豬
양저
SWINE PRODUCTION
2014年
3期
70-72
,共3页
长白种猪%抗腹泻基因检测%不同基因型父母选配%哺乳仔猪%抗腹泻后代选育
長白種豬%抗腹瀉基因檢測%不同基因型父母選配%哺乳仔豬%抗腹瀉後代選育
장백충저%항복사기인검측%불동기인형부모선배%포유자저%항복사후대선육
Landrace pigs%detection of anti diarrhea gene%different genotypes of parents selection%piglet%anti diarrhea progeny selection
为探索利用现代生物技术培育种猪抗腹泻专门化品系,采长白种猪耳组织样品27份,送江西农业大学动物生物技术国家重点实验室培育基地进行抗腹泻基因检测,检测结果为:腹泻抗性有利基因GG型个体比例占40.74%(11/27),G的基因频率为0.67,A的基因频率为0.33。将作过基因检测的种猪按照不同基因型进行选配,分别为对照组(GG×GG)、试验1组(GG×GA)、试验2组(GA×GA),观察、统计、比较不同组合所产仔猪在断奶前的腹泻发生率、腹泻死亡率、断奶成活率等指标。试验结果表明:1)对照组(GG×GG)哺乳仔猪腹泻发生率3.08%(2/65),哺乳仔猪腹泻死亡率0(0/65),30日龄断奶仔猪成活率98.46%(64/65),这3个指标均与试验1组、试验2组差异显著(P<0.05)或极显著(P<0.01);2)试验1组(GG×GA)后代腹泻发生率20.75%(11/53)与试验2组(GA×GA)后代腹泻发生率40.91%(18/44)差异显著(P<0.05),这可能与试验1组的选配公猪是抗腹泻基因型(GG)个体有关;试验1组与试验2组腹泻死亡率差异极显著(P<0.01),断奶成活率差异不显著(P>0.05);3)携带腹泻抗性有利基因GG型比例高的后代,哺乳仔猪腹泻率和腹泻死亡率低,断奶仔猪成活率高,表现出较强的抗腹泻力,在种猪世代选育中,加大GG纯合抗性个体的选留比例,最终可以建立长白种猪抗K88(F4)腹泻专门化品系。
為探索利用現代生物技術培育種豬抗腹瀉專門化品繫,採長白種豬耳組織樣品27份,送江西農業大學動物生物技術國傢重點實驗室培育基地進行抗腹瀉基因檢測,檢測結果為:腹瀉抗性有利基因GG型箇體比例佔40.74%(11/27),G的基因頻率為0.67,A的基因頻率為0.33。將作過基因檢測的種豬按照不同基因型進行選配,分彆為對照組(GG×GG)、試驗1組(GG×GA)、試驗2組(GA×GA),觀察、統計、比較不同組閤所產仔豬在斷奶前的腹瀉髮生率、腹瀉死亡率、斷奶成活率等指標。試驗結果錶明:1)對照組(GG×GG)哺乳仔豬腹瀉髮生率3.08%(2/65),哺乳仔豬腹瀉死亡率0(0/65),30日齡斷奶仔豬成活率98.46%(64/65),這3箇指標均與試驗1組、試驗2組差異顯著(P<0.05)或極顯著(P<0.01);2)試驗1組(GG×GA)後代腹瀉髮生率20.75%(11/53)與試驗2組(GA×GA)後代腹瀉髮生率40.91%(18/44)差異顯著(P<0.05),這可能與試驗1組的選配公豬是抗腹瀉基因型(GG)箇體有關;試驗1組與試驗2組腹瀉死亡率差異極顯著(P<0.01),斷奶成活率差異不顯著(P>0.05);3)攜帶腹瀉抗性有利基因GG型比例高的後代,哺乳仔豬腹瀉率和腹瀉死亡率低,斷奶仔豬成活率高,錶現齣較彊的抗腹瀉力,在種豬世代選育中,加大GG純閤抗性箇體的選留比例,最終可以建立長白種豬抗K88(F4)腹瀉專門化品繫。
위탐색이용현대생물기술배육충저항복사전문화품계,채장백충저이조직양품27빈,송강서농업대학동물생물기술국가중점실험실배육기지진행항복사기인검측,검측결과위:복사항성유리기인GG형개체비례점40.74%(11/27),G적기인빈솔위0.67,A적기인빈솔위0.33。장작과기인검측적충저안조불동기인형진행선배,분별위대조조(GG×GG)、시험1조(GG×GA)、시험2조(GA×GA),관찰、통계、비교불동조합소산자저재단내전적복사발생솔、복사사망솔、단내성활솔등지표。시험결과표명:1)대조조(GG×GG)포유자저복사발생솔3.08%(2/65),포유자저복사사망솔0(0/65),30일령단내자저성활솔98.46%(64/65),저3개지표균여시험1조、시험2조차이현저(P<0.05)혹겁현저(P<0.01);2)시험1조(GG×GA)후대복사발생솔20.75%(11/53)여시험2조(GA×GA)후대복사발생솔40.91%(18/44)차이현저(P<0.05),저가능여시험1조적선배공저시항복사기인형(GG)개체유관;시험1조여시험2조복사사망솔차이겁현저(P<0.01),단내성활솔차이불현저(P>0.05);3)휴대복사항성유리기인GG형비례고적후대,포유자저복사솔화복사사망솔저,단내자저성활솔고,표현출교강적항복사력,재충저세대선육중,가대GG순합항성개체적선류비례,최종가이건립장백충저항K88(F4)복사전문화품계。
To apply modern biotechnol ogy to breeding, 27 Landrace pig ear tissue samples were collected and sent to the National Key Laboratory of animal biology at Jiangxi Agricultural University for identifying a molec-ular marker of anti-F4ac piglet diarrhea, the results showed that diarrhea resistance GG homozygous individuals accounted for 40.74%(11/27) with gene frequency of G and A being 0.67 and 0.33, respectively. According to different genotypes, the tested pigs were selected as experimental group(GG×GG), control group 1 (GG×GA) and control group 2 (GA×GA), analysis of diarrhea incidence, mortality, weaning survival rate and other indicators be fore weaning diarrhea indicated that:1) diarrhoea incidence of experimental group(GG×GG) piglets was 3.08%(2/65), diarrhea mortality rate was 0(0/65) and 30 day-old weaned piglet survival rate was 98.46%(64/65), which showed difference with control group 1 and 2(P<0.05 or P<0.01); 2) children diarrhea incidence of 20.75% (11/53) for control group 1(GG×GA) was different from control group 2(GA×GA) of 40.91% (18/44)(P<0.05)probably due to the boar being anti-diarrhea genotype (GG); while diarrhea mortality was significantly different (P<0.01) and weaning survival rate had no significant difference (P>0.05); 3) with a high proportion of diarrhea favorable GG genotypes, offspring showed low diarrhea incidence and mortality and high weaning survival rate, so increased selection of GG homozygous resistant individuals in breeding can eventually build specialized Landrace anti K88(F4) diarrhea lines.