Effect of genotype and protein source on performance of Pacific white shrimp (Litopenaeus vannamei)

Figures & data

Table 1. Formulation and proximate composition of experimental diets (g/kg dry weight).

	AD	VD
Soy protein concentrate^a	–	312.92
Soybean meal^b	247.56	208.62
Fishmeal^c	247.56	34.77
Wheat meal^d	184.43	139.08
Corn starch^e	168.96	190.08
Fish oil^f	64.23	26.22
Soybean lecithin^g	33.40	36.20
Minerals^h	8.53	9.25
Vitamins^i	8.53	9.25
Alginic acid^j	17.06	18.49
Ash^k	17.49	9.44
Cellulose^l	2.23	5.67
Antioxidant^m	0.01	0.01
Proximate composition
Moisture	28.5 ± 0.5	12.2 ± 0.8
Crude protein	321.2 ± 1.2	356.3 ± 0.7
Crude lipid	58.4 ± 0.5	66.5 ± 0.0
Crude fibre	2.3 ± 0.6	11.7 ± 0.6
Ash	108.6 ± 0.3	55.9 ± 0.3
Nitrogen free extract	509.4	509.7
Gross energy, Kcal/g	4.33 ± 0.002	4.64 ± 0.004
Nitrogen, g kg^−¹ mg	51.4 ± 0.2	57.0 ± 0.1

AD: animal protein-based diet and VD: vegetal protein-based diet. Both with medium protein level.

^aSoy protein concentrate (SPC) (64.70% crude protein (CP), 1.13% lipid). PIASA (La Paz, Baja California Sur, México).

^bSoybean meal (50.95% CP, 1.17% lipid). PIASA (La Paz, Baja California Sur, México).

^cWhole sardine meal (72.95% PC, 6.38% lipid). PIASA (La Paz, Baja California Sur, México).

^dWheat meal (13.38% PC, 0.4% lipid). PIASA (La Paz, Baja California Sur, México).

^eCorn starch (0.3% PC, 0.1% lipid). Unilever de México, S. de R.L. de C.V. (Tultitlán-Estado de México, México).

^fSardine oil. PIASA (La Paz, Baja California Sur, México).

^gSoybean lecithin. PIASA (La Paz, Baja California Sur, México).

^hMinerals. PIASA (La Paz, Baja California Sur, México).

ⁱVitamins. PIASA (La Paz, Baja California Sur, México).

^jAlginic acid. Sigma-Aldrich Corp. 180947 (St. Louis, MO).

^kAsh. Sigma-Aldrich Corp. 180947 (St. Louis, MO). D3877.

^lCellulose. Sigma-Aldrich Corp. C6288 (St. Louis, MO).

^mButylated hydroxytoluene (BHT). Sigma-Aldrich Corp. 180947 (St. Louis, MO).

Table 2. Effect of genotype, diet and their interactions on performance of L. vannamei.

ITEM	FG		HR		Pooled SE	p Value
	AD	VD	AD	VD		Genotype	Diet	Genotype-diet
FWT, g	8.1^a	7.0^b	4.3^a	4.4^a	0.17	<.01	.01	.01
Survival, %	89.3^a	77.3^b	96.0^a	97.3^a	2.08	<.01	.03	.01
Final biomas, g	72.8^a	54.2^b	41.4^a	42.4^a	2.01	<.01	<.01	<.01
WG, %	304.6^a	243.1^b	106.8^a	111.9^a	11.97	<.01	.05	.02
SGR, g day^−1	3.9^a	3.4^a	2.0^a	2.1^a	0.11	<.01	.12	<.05
Feed intake, g	130.2^a	95.1^b	82.9^a	88.0^a	3.43	<.01	<.01	<.01
FCR	1.8^a	1.8^a	2.0^a	2.1^a	0.05	<.01	.77	.38

FG: fast-growth genotype; HR: high-resistance genotype; AD: animal protein-based diet; VD: vegetal protein-based diet; Pooled SE: pooled standard error; FWT: final total weight; WG: weight gain; FCR: factor conversion rate.

Mean with different superscript letters indicate significant differences (p < .05).

Availability of data and materials

All data generated or analysed during this study are included in this published article [and its supplementary information files].