Bacterial clearance rate and a new differential hemocyte staining method to assess immunostimulant activity in shrimp

New methods were developed to assess immunostimulant efficacy in the black tiger shrimp Penaeus monodon. Test shrimp were fed with 2 or 4 % yeast extract (YE)-coated feed while controls were fed non-coated feed. After 4 wk of feeding, individual shrimp were assessed for total hemocyte counts (THC),...

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