Response Mechanisms of Pine Caterpillar Enzymatic System to Pine Induced Resistance Effect of light intensity on the growth and digestive enzyme activity of juvenile sea cucumber Apostichopus japonicas under two kinds of culture methods. Effects of stocking density and exchanging water frequency on growth and inner quality of Whitmania pigra Effects of microalgal species and concentrations on the feeding and digestive enzyme activities of Calanus sinicus Effects of fructo-oligosaccharides on mucosal morphology, digestive enzyme activity, organic acid and Lactobacillus of the gastrointestinal tract of unweaned piglets Effect of intermittent drought on growth, antioxidant capacity and digestive enzyme activity of Pomacea canaliculata Comparison of Components and Activity of DigestiveEnzymes between Two Xylophagous Insects Effects of Artificial Diets on Digestive Enzyme Activities in Loxostege sticticalis Effect of Alfalfa Meal on Digestive Physiological Metabolism of Yellow River Carp Effects of starvation and refeeding on survival rate, growth and digestive enzyme activities of juvenile Sepia pharaonis. Changes of digestive enzyme activity of Tegillarca granosa exposed to cadmium and copper Effects of Bamboo Extracts on the Activities of Several Enzymes in Helicoverpa armigera Larvae Effects of cadmium stress on the activities of antioxidant enzymes, digestive enzymes and the membrane lipid peroxidation of the mangrove mud clam Geloina coaxans (Gmelin) Effects of three kinds of host plants on development and some digestive enzyme activities of beet armyworm, Spodoptera exigua