8Armstrong D A, Chippendale D, Knight A W, et al. Interaction of ionized and unionized ammonia of short term survival and growth of prawn larvae, Macrbrachium rosenbergii [J]. Biol Bull, 1987, 154: 15-31.
9Lin Y C, Chen J C. Acute toxicity of ammonia on Litopenaeus vannamei Boone juveniles at different salinity levels. Journal of Experimental Marine Biology and Ecology [J]. 2001, 259 (1) : 109-119.
10Martin J L, Veran Y, Guelorget O, et al. Shrimp rearingz stocking density, growth, impact on sediment, waste output and their relationships studied through the nitrogen budget in rearing ponds [J]. Aquaculture, 1998, 164: 135-149.
