Questions and Answers
What is the maximum oocyte size for female broodstock in siganids that can still respond to hormonal manipulation?
Which hormone is responsible for initiating the final stages of oocyte maturation and ovulation in siganids?
What triggers the hypothalamus to secrete LH Releasing Hormone (LHRH)?
What is the role of LH in the hormonal treatment of fish spawning?
Signup and view all the answers
Which of the following hormonal treatments can induce oocyte maturation and spawning in siganids?
Signup and view all the answers
Study Notes
Siganids Treatment and Spawning
- Female broodstock with oocyte size ≤ 0.42 mm are ineffective for hormonal manipulation in induced spawning attempts.
- Final maturation of young egg cells and ovulation is triggered by an LH surge.
- Administration of hCG stimulates the hypothalamus to release LH Releasing Hormone (LHRH).
- LHRH causes the anterior pituitary to release LH, activating the fish hormone feedback mechanism.
- Hormonal treatments such as hCG, LHRH, and LH are employed to promote oocyte maturation and spawning in fish.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
This quiz explores the hormonal treatments utilized for the spawning and maturation of Siganids. Understand the roles of specific hormones like hCG and LHRH in facilitating the ovulation process in fish. Test your knowledge on the effectiveness of broodstock based on oocyte size and the mechanisms involved in induced spawning.
