Table 2.

Pearson correlation coefficients among body and gonadal indices of blue catfish (Ictalurus furcatus) males (n = 10). The values listed in each cell (except for those with a single number) are correlation coefficient (above) and P value (below). BCF: body condition factor was calculated as the percentage of body weight (g) to the cube of the body length (cm); GSI: gonadosomatic index was calculated as the percentage of testis weight to the whole body weight. The initial concentration of the sperm suspensions was measured after crushing and filtering.

	weight	Length	Anterior testis	Testis	BCF	GSI	Initial concentration	Initial motility	Post-thaw motlity	Neurulation
Weight	1.000	0.966 <.001 *	0.131 0.717	0.266 0.458	−0.533 0.113	−0.236 0.512	0.165 0.648	−0.395 0.259	−0.366 0.298	−0.393 0.261
Length		1.000	0.011 0.975	0.163 0.652	−0.497 0.144	−0.321 0.367	0.060 0.870	−0.388 0.268	−0.378 0.281	−0.490 0.151
Anterior testis			1.000	0.985 <.001*	−0.740 0.014*	0.362 0.304	0.120 0.741	0.515 0.127	0.463 0.178	0.336 0.343
Testis				1.000	−0.807 0.005 *	0.294 0.409	0.084 0.817	0.456 0.185	0.384 0.274	0.242 0.500
BCF					1.000	0.162 0.655	−0.127 0.727	−0.275 0.442	−0.353 0.318	−0.130 0.721
GSI						1.000	−0.275 0.442	0.487 0.154	0.171 0.636	0.241 0.503
Initial concentration							1.000	−0.112 0.757	0.401 0.251	0.489 0.152
Initial motility								1.000	0.635 0.048*	0.614 0.059**
Post-thaw motility									1.000	0.807 0.005 *
Neurulation										1.000

^*values with P < 0.050;

^**values with 0.050 < P < 0.100.