Site pages
Current course
Participants
General
Topic 1
Topic 2
Topic 3
Topic 4
Topic 5
Topic 6
Topic 7
Topic 8
Topic 9
Topic 10
Topic 11
Topic 12
Topic 13
Topic 14
Topic 15
Topic 16
Topic 17
Topic 18
Topic 19
Topic 20
Topic 21
Topic 22
Topic 23
Topic 24
Topic 25
Topic 26
Topic 27
Topic 28
Topic 29
Topic 30
Topic 31
Topic 32
Topic 33
Topic 34
Topic 35
Topic 36
Topic 37
Topic 38
Topic 39
Topic 40
Topic 41
Topic 42
Topic 43
Topic 44
Topic 45
Topic 46
Topic 47
Topic 48
Topic 49
3.1.8 Maturity stages of ovary
In general the ovaries can be classified based on the maturity stages of the eggs. Broadly the maturity stages are: Immature: The ovaries in immatured female shrimps will be transparent / light yellowish to ivory in colour; occupying 1/6th of body cavity; or like fili form. The Gonado Somatic Index (GSI) at this stage will be strikingly low. Maturing: Ovaries in maturing shrimps will be light to dark yellowish or orange in colour; ovaries are filled with egg mass and therefore they will be occupying 1/3rd of body cavity. Matured: Ovaries in matured females will be orange-red in colour; filled with matured eggs with or without yolk granules. prominent seminal receptacle will be present; occupying full body cavity and showing a high GSI. The females with matured ovary can be identified by the presence of fully widened ovary in the body extending from cephalothorax to the abdomen with prominent bulged portion in the ovary. |
Last modified: Sunday, 25 December 2011, 5:38 AM