A Study On The Introduction, Propagation, Cultural Technique Of Dark Barbel Catfish Pelteobagrus Vachelli (Siluriformes: Bagridae)

:Pelteobagrus vachelli subjection of Siluriformes, Bagridae, Pelteobagrus.they distribute mostly in great rivers just like changjiang river and zhujiang river. It is famous of delicate flesh,delicious and richness pabulum. The reqirement of Pelteobagrus vachelli increase year by year,but cosmically breeding of it was not developed,so it cost 40～50 $/kg.So it has developed into one of the most famoud kinds for breeding.it . The text get across system research from Pelteobagrus vachelli's breed biological characteristic,manual work breed technique,cultivate stirp,breed grown fish and prevent malady. The purpose is searching after the technique it accord with a suit of Pelteobagrus vachelli sweeping breeding in south of Jiangsu.1. Adopt the way of sampling and inspect once a month to research Pelteobagrus vachelli's sex gland maturity quotiety's seasonal transformation, educe the best breeding temperature of Pelteobagrus vachelli is between 24-26℃.And put up batch manpower breeding on the basic ,and then produced 3.19 million young plants,the average productive rate reach at 87.8%,incubate rate reach at 81.2%.2. It is the important key of advancing domesticate survine of Pelteobagrus vachelli fries with using manual work feed on the forepart of breed.This experiment adopt feed which mix the Leiocassislongirostris'mealy feed and natural bait just like Cladocera and Calanoida to domesticate 1.5 cm length fry.cut the phase breeding with water angleworm,so predigest the progress ang shorten the time;at the same time,boost the survive rate at 88% get across scientifical actualize drug.On the one year seed breeded phase,we advance the standard and survive by breed in reason and zoology control techniques. The average specs of one year seed reach at 80 g and achieve 5130 yeard per a unit of area ,93.2%survive,and 2.0 feed modulus in 2007.3. Basis the Pelteobagrus vachelli's living behaviour,zoological breeding theory,we breeded 2091 Pelteobagrus vachellis which was 76.5g weight with 80 Hypophthalmichthy smolitrixs 180g weight per a unit of area.In November we obtain 480 kg Pelteobagrus vachellis that 241g average weight.4. The result of drug toxicity experiment shows that TCCA and trichlorphon make power effort on Pelteobagrus vachelli,so it was better not to use it in production.the solt screening out experiment was ecnormical and efficient, it can be used of medicine in Pelteobagrus vachelli produceing.