TABLE 1.

Semi quantitative scoring of the histopathology in the thyroid follicles, female gonads, and male gonads of Oreochromis niloticus exposed to Harness^®.

Histopathological lesion	Control	Treated group
		H1	H1Lyc	H2	H2Lyc
Thyroid follicles
Colloid depletion of some follicles	-	++	-	+++	+
Increasing melanomacrophage centers	-	++	-	+++	+
Hypertrophic thyrocytes	-	+	+	+++	+
Hyperplastic follicles	-	+	-	+++	_
Gonad female
Displayed few atretic follicles	-	+	-	++	-
Increasing number of oocytes	-	+	-	++	-
Increasing number of atretic follicles	-	++	+	+++	+
Less number of the secondary growth phase	-	+	-	+++	+
Gonad male
Decrease in spermatozoa amount	-	+	-	++	-
Increasing melanomacrophage centers	-	++	-	+++	+
Necrosis	-	+	-	++	-

–, normal; +, mild (<10%); ++, moderate (10%–50%); +++, severe (>50%).