Production Response and Digestive Enzymatic Activity of the Pacific White Shrimp Litopenaeus vannamei (Boone, 1931) Intensively Pregrown in Microbial Heterotrophic and Autotrophic-Based Systems

Table 3

Means ± SD of digestive enzymes activity of L. vannamei in the autotrophic (A), heterotrophic (H), and control systems.

	Trypsin (abs/min/mg protein)	Amylase (abs/min/mg protein)	Lipase (abs/min/mg protein)
C	0.24±0.03^a	0.21±0.02^a	0.003±0.001^a
AS	0.25±0.04^a	0.23±0.05^a	0.003±0.001^a
HS	0.28±0.07^a	0.28±0.06^b	0.002±0.001^a

Different letters in the same column indicate significant differences (𝑃<0.05).