PHYSIOLOGY AND REPRODUCTIVE BIOLOGY IN FISH
Language: English
Published by LAP LAMBERT Academic Publishing, 2026
- Softcover
- New
Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH
AbeBooks seller since August 14, 2006
Condition: New
£ 92.64
Quantity: 1 available
Add to basketItem description from seller
nach der Bestellung gedruckt Neuware - Printed after ordering - A few fishes breed only once in their long life spawn eg. Pacific salmon . The fresh water eel breeds only once in 10-14 years . Most of the fishes breed in one season every year , they are called seasonal breeders , but some breed in all seasons, through out the year , and they are called year round spawners . - Seasonal breeders exhibit rhythmic changes in the structure and physiology of ovary and testes in different seasons. These changes are demarcated into five phases - 1. Resting phase (December - January) 2. Preparatory phase(February - April) 3. Maturing phase (may - June) 4. Spawning phase (July - September) 5. Post spawning phase(October - November) GONADOSOMATIC INDEX (GSI) - It is a ratio between body weight and the weight of gonad showing the status of ovary and testis in terms of maturity and denotes the phase of the reproductive cycle- GSI = Weight of the gonad × 100 Weight of fish-weight of the gonad - GSI of fish increases with the maturation of the fish i.e. lowest during post spawning phase and highest at the peak of maturity i.e. spawning phase.FEMALE REPRODUCTIVE ORGAN - Unlike mammals , the female reproductive system of teleosts.…
Seller Inventory # 9786209418853
- Title
- PHYSIOLOGY AND REPRODUCTIVE BIOLOGY IN FISH
- Author
- Elsayed A. M. Shokr
- Publisher
- LAP LAMBERT Academic Publishing
- Publication year
- 2026
- Condition
- Neu
- Binding
- Taschenbuch
- Language
- English
- ISBN 10
- 6209418856
- ISBN 13
- 9786209418853
- Item weight
- 429 grams
- Dimensions
- 220x150x17 mm
"Synopsis" may belong to another edition of this title.
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