. 2023 May 8;9(4):1666–1674. doi: 10.1002/vms3.1154

TABLE 4.

Effect of experimental treatments on growth performance in broilers (g /bird /day).^*

Item	PC	COP	SP_0.2	SP_0.3	PR₀.₅SP_0.2	PR₀.₅SP_0.3	PR₁	SEM	p Value
FI
1–10	22.3^ab	17.8^c	22.1^ab	20^abc	22.9^a	21.5^ab	22.3^ab	0.351	0.0001
11–24	84.3^a	72.7^b	85^a	82^ab	82.3^ab	85^a	86.3^a	1.02	0.0108
25–42	176	168	189	180	184	179	186	2.02	0.262
1–42	104^a	95^b	109 ^a	101^a	106 ^a	104 ^a	103^a	1.08	0.0241
BWG
1–10	14.3^ab	12^b	14.3^a	12.6^b	15.1^a	13.8^ab	14.7^ab	0.352	0.0262
11–24	48.9	41.6	51.8	47	44.5	48.5	51.2	0.911	0.125
25–42	105	95.6	102	103	103	101	107	0.971	0.0861
1–42	61.7^a	49.3^b	62.1^a	58.4^a	60.6^ab	59.5^a	60.4^a	0.955	0.0066
FCR
1–10	1.56	1.49	1.55	1.59	1.51	1.58	1.53	0.0221	0.866
11–24	1.73	1.75	1.64	1.75	1.77	1.78	1.68	0.0292	0.966
25–42	1.66	1.76	1.85	1.74	1.78	1.77	1.75	0.0208	0.526
1–42	1.67	1.93	1.77	1.74	1.76	1.76	1.71	0.0233	0.278
EPEF	409^a	297^b	365^ab	385^ab	366^ab	382^ab	384^ab	8.03	0.0204

Note: Means in same row that do not have a common letter have a significant difference (p < 0.05).

FI, feed intake; BWG, body weight gain; FCR, feed conversion ratio; EPEF, European production efficiency factor.

PC: first positive control (with antibiotics), COP: second positive control (commercial probiotic), SP_0.2: 0.2 g of Spirulina platensis powder, SP_0.3: 0.3 g of Spirulina platensis powder, PR₀.₅SP_0.2: 0.2 g of Spirulina platensis powder and 0.5 g of native probiotics PR₀.₅SP_0.3: 0.3 g of Spirulina platensis powder and 0.5 g of native probiotics, PR₁:1 g of native probiotics.