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Seasonal and Age-Related Changes during Pubertal maturation of Captive Male Labeo rohita (Hamilton, 1822): A detailed Gross and Histological Study

Seasonal and Age-Related Changes during Pubertal maturation of Captive Male Labeo rohita (Hamilton, 1822): A detailed Gross and Histological Study

Khalid P. Loneand Irfana Liaqat*

Department of Zoology, GC University, Katchery Road, Lahore

*  Corresponding author: Irfana.liaqat@gcu.edu.pk

 

 

Fig. 1.

Environmental parameters (minimum and maximum atmospheric and water temperature) and seasonal variations in Gonadosomatic Index (GSI), rain fall, weight of liver and hepato-somatic index (HSI) of Labeo rohita from age 18 months (November) to 29 months (October). Values given are mean±SD. For more details see Material and Methods.

Fig. 2.

Size, gross structure and developmental stages of the testis of male Labeo rohita reared in earthen ponds from the age of 18 month (A) and 29 months (B). For other details, see Tables I and II.

Fig. 3.

Seasonal and age-related changes in the testis of Labeo rohita during the age of 18 to 29 months. The tissues were fixed in buffered formalin paraffin embedded and 5µ thick sections were stained with hematoxylin-eosin. The stained sections were photomicrographed with high resolution digital camera. For other details, see Table I and II and the section “Materials and Methods”. Bv, Blood Vessel; I, Interstitium; LL, Lobular Lumen; PGC, Primary Germ Cell; PS, Primary Spermatocytes; SG, Spermatogonia; SS, Secondary Spermatocytes; ST, Spermatids

Pakistan Journal of Zoology

December

Vol. 51, Iss. 6, Pages 1999-2399

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