Synbiotic containing Kappaphycus alvarezii, Spirulina sp. and Halomonas alkaliphila improves survival, growth and vibriosis resistance in whiteleg shrimp (Litopenaeus vannamei) post-larval culture

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Table 3

Results of the 7-day challenge test against Vibrio harveyi on post-larval Litopenaeus vannamei with control commercial feed (C), prebiotic-supplemented feed (P), and synbiotic-supplemented feed with Halomonas alkaliphila 10⁹ CFU.kg⁻¹ (S9).

	Code	Survival (%)	Weight gain (mg)	Length increased (cm)
Unchallenged group	C	65.50 ± 0.02^a	3.50 ± 2.15^a	0.20 ± 0.15^a
	P	80.00 ± 0.03^b	3.00 ± 2.07^a	0.20 ± 0.14^a
	S9	83.30 ± 0.05^b	4.50 ± 2.26^a	0.20 ± 0.09^a
Challenged group	CV	39.50 ± 0.04^c	2.70 ± 1.36^a	0.10 ± 0.09^a
	PV	56.60 ± 0.05^d	1.90 ± 1.46^a	0.20 ± 0.08^a
	S9V	79.90 ± 0.05^b	4.00 ± 2.70^a	0.20 ± 0.09^a

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