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Chinese Journal of Applied Ecology ›› 2002, Vol. ›› Issue (6): 728-730.

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Preliminary study on anti-baculovirus mechanism of feeding housefly larvae (Musca domestia) and population infection model of outbreaking epidemic disease of shrimp (Panaeus chinensis)

WANG Wei1, FENG Jiang1, WANG Zhentang1, SUN Gang1, BAO Zhenmin 2   

  1. 1. Department of Environmental Science, Northeast Normal University, Changchun 130024;
    2. School of Oceanic Life Science, Qingdao Oceanic University, Qingdao 266003
  • Received:2000-09-11 Revised:2001-07-05

Abstract: Based on indoors individual infection and outdoor population infection of shrimp, population infection model was established and anti-baculovirus mechanism of housefly larvae was analyzed. The results showed that 50% death time of the shrimps feeding with housefly larval reasonably was prolonged 3~5 times compared with the control group. Prophenoloxidase system of prawns was activited while feeding shrimps with housefly larval 7~10 days before infection by baculovirus, and prophenoloxidase activity was 3 times higher than the control group. The establishment of population infection model illustrated clearly important role of housefly larvae in improving the immunity of shrimps from baculovirus.

Key words: Housefly larvae, Panaeus chinensis, Baculovirus, Prophenoloxidase, Population infection model, soil enzyme activity, micro-irrigation, yield., subsoiling, summer maize

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