macrocephalus with different levels of melatonins

Parameters	Control	Mt0.05	Mt0.25	P value
Weight gain (%)	10.94 ± 5.8	15.55 ± 7.6	16.98 ± 12.5	0.1
Histology spermatogonium cell	33.90%	23%	9.20%	-
Histology spermatids cell	27.30%	28.40%	5.40%	-
Histology spermatozoa cell	38.80%	48.60%	85.40%	-
Gonadosomatic index Mean (%)	0.425^b ± 0.07	0.582^a ± 0.07	0.677^a ± 0.11	0.001
Sperm abnormality Mean (%)	30.8^b ± 7.5	15^b± 4.8	7.6^a ± 3.3	0.001
Live sperm rate (%)	18.7^b ± 18.7	80.3^a ± 21.2	92.5^a ± 5.4	0.001
Sperm concentration (106/ml)	220.3 ± 269	127.3 ± 104	133.3 ± 56	0.5
Testosterone (ng/ml)	13.45 ± 2.7	15>	15>	-

^a,bValues with different superscripts in a row differ significantly (P<0.05).

Table 1: Maturation analysis in male C. macrocephalus with different levels of melatonin (Mean ± S.E.)

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