Table 2 Growth performance of each strain of broiler chickens in the experimental trial I.

Attributes	Vencobb	RIR cross-bred	Hubbard
Body weight at 7^th day (gm/bird)	40.31 ± 0.44	41.09 ± 0.46	40.03 ± 0.36
BWG (gm/bird)
7–21 days of age	90.19^a ± 2.00	106.13^b ± 2.38	93.65^a ± 2.30
22–35 days of age	164.20^a ± 3.75	182.09^b ± 3.39	156.82^a ± 3.25
7–35 days of age	254.39^a ± 3.81	288.22^b ± 3.55	250.47^a ± 3.63
Feed intake (gm/bird)
7–21 days of age	422.40^a ± 4.75	429.52^a ± 4.19	449.71^b ± 4.23
22–35 days of age	581.05^a ± 6.68	607.82^b ± 6.58	641.62^c ± 6.45
7–35 days of age	1003.45^a ± 6.90	1037.34^b ± 6.43	1091.33^c ± 6.13
Feed: gain (gm:gm)
7–21 days of age	4.68^b ± 0.03	4.05^a ± 0.02	4.80^b ± 0.03
22–35 days of age	3.54^b ± 0.04	3.34^a ± 0.04	4.09^c ± 0.06
7–35 days of age	3.94^b ± 0.03	3.60^a ± 0.05	4.36^c ± 0.04
Water intake (ml/bird)
7–21 days of age	834.58 ± 5.71	825.83 ± 5.37	840.25 ± 5.59
22–35 days of age	950.48 ± 6.46	954.20 ± 6.43	970.59 ± 6.61
7–35 days of age	1785.06 ± 6.53	1780.03 ± 6.35	1810.84 ± 6.11

Means bearing the different superscripts ^{(a, b, c)} in a row differ significantly (P < 0.05). BWG = body weight gain. FCR = (feed intake)/(BWG).

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