文章摘要
张本.评估鱼种质量的方法[J].水产学报,1980,4(4):329~338
评估鱼种质量的方法
МЕТОД ОЦЕНКИ КАЧЕСТВА ПОСАОДЧНЫХ МОЛОДЕЙ
  
DOI:
中文关键词: 
英文关键词: 
基金项目:
作者单位
张本 江西省科学院 
摘要点击次数: 1234
全文下载次数: 863
中文摘要:
      本文分析研究了鲢鳙草鱼鳊鱼鱼种的体重与体长的相关关系,以及它们与鱼体肥满度、体高率和体厚率的相关关系,得出:鱼种体重的大小能比较正确地反映出鱼种质量的优劣,而体长仅是鱼种质量的参比指标。利用鱼种体重与体长相关点分布面的上周界线、中值线和下周界线的数学方程式,可以推算出各种规格鱼种的优、中、劣的标准,即以鱼种的相对体重来评估鱼种的质量。
英文摘要:
      B poBocTBe poaH ae cTpaHbI oHo pcHT oaaTeb--Hy TeapbI H BMecTe c HaeHeM HeBoopyeHHbIM aoM oneHBaT aecTBO ocaobIxMooe. B HeKoTopbIx paoHax pak peHHT okaTeb--Bec Tea pbI, coeHc HacHeM HeBoopyceHHbIM aoM. TobI BbICHT TaKoH oKaaTb ByxnokaaTee, kako MoeT epHo bIpaaTb kaecTBo ocaoHbIx Mooe To ncceoBaTb MeTo oea HaecTBa nocaobIx Mooe, aBTop npoe aHHoe yHe. B cTaTe Mep CT Bec (W), Hy Tea (L), KoeHT yTaHHocT (W·100/L3), OTHOCTeHy BbICOTy (BbIcoTa Tea (h)/Ha Tea (L), %) OTOCTebHyToHy(ToHa Tea (B)/Ha aBbI (l), %) 495 k. ocaoHbIx MooeTocTooka, 185 k. ocaoHbIx Mooe necTpoo TocTooka, 416 ok. ocaoHbIxMooe aMypa 525 k. ocaobIx Mooe eoo aMypcRoo ea (Parabramispekinensis (Bacil) ) B HyaHbckoM paoHe poBH c, HykabIT, To CBbcToo Beca c Ho Tea ocaoHbIx Mooe BeTC kpBbIM paceHbIM OTHOeHe,MaTeMaTecka opMya--W= aLb (e a--koeHT, b--cTeeb), T. E. Bec yBe-BaeTc c yBeeHeM HbI Tea, Ha yBeBaeTc c yBeeHeM Beca Tea.OHao, Ha ocaoHbIx Mooe paBHOO Beca MOeT koeaTbc, Bec ocaoHbIxMooe paBHO HbI MoeT koeaTbc ee obe. RoeeMoCTb bI ocaoHbIxMooc paBHoo Beca MeHbe, eM oeeMocTb Beca ocaoHbIx Mooe paBHo HbI.Mao Too, koec koeHeHT (σx/x) HbI ocaoHbIx Mooc paBHoro BecayMcnbaeTcH c pocToM ocaoHbIx Moo. Koec kooeT Beca ocaoHbIxMOOe paHO bI HabIBaT TO BbIC0K, TO HOF. cTbI BeC Tea ocaoHbIX Mooe pMo oTHocTcH k yTaocT, oTHocTebHoBbIcoTe oTHocTebHo ToHe Tea ocaobIx Mooe. Ha opaTHo oTHocTC kyTaHHOCT, oTHocTebHO BbICOTe oTHocTebHO ToHe Tea ocaoHbIx Mooe.yTaHHocTb, oTHocTebHa BbIcoTa oTHocTebHa TOHa Tea pbI BTc TeMokaaTeM, koTopbIe pMeHTc pTHoM (1950) AcTaHHoM (1959) oocye-H o koHoMeckoM kaecTBe p. Bec Tea nocaoHbIx Mooe BeTC oee BepHbIM kaecTeHHbIM oKaaTeeM,oHBaM kaecTBo ocaobIx Mooe. a ocaoHebIx ocaoHex Mooe TobkoBeTc coocTaBM okaaTeeM. OTHocTeHbI Bec Tea oce BepHo oeHBaeTkaecTBo ocaoHbIx Mooe. o BPxHe pae, cpeHe H HHO paHepapoHeHHoo oBepxHocT THa koppe Mey BecoM Ho Tea, aBTop paccH-Ta cTaHapT oTHoo, cpeHeo oxo kaecTBa ocaoHbIx Moo y TocTooka,ecTpoo TocTooka, aMypa eoo aMypckoo ea B HyaHbckoM paoHe
HTML   查看全文   下载PDF阅读器
关闭

手机扫一扫看