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Updated: May 15, 2026
05:44
Medium-throughput Screening Assays for Assessment of Effects on Ca2+-Signaling and Acrosome Reaction in Human Sperm
Published on: March 1, 2019
Spermatogenic function in cats
1International Institute of Small Animal Medicine, Bio Plus, AHB Inc, Tokyo, Japan. tsutsui-t@bioplus.jp
Reproduction in Domestic Animals = Zuchthygiene
|January 3, 2013
Summary
Feline sperm production data is scarce. Studies show that tomcats need at least six days to replenish epididymal spermatozoa after frequent collections, producing an average of 30 million sperm daily.
Area of Science:
- Veterinary Science
- Reproductive Biology
- Animal Reproduction
Background:
- Limited data exists on feline sperm production.
- Understanding feline reproductive capacity is crucial for breeding programs and conservation efforts.
Purpose of the Study:
- To determine the daily sperm production rate in tomcats.
- To establish the recovery time for epididymal spermatozoa following frequent semen collection.
Main Methods:
- Five tomcats were subjected to frequent semen collection using the artificial vagina method to exhaust epididymal spermatozoa.
- The time required for epididymal spermatozoa counts to return to pre-exhaustion levels was measured.
- Daily sperm production was calculated based on recovery time and total sperm count.
Main Results:
- A minimum of six days was required for epididymal spermatozoa counts to recover to pre-exhaustion levels after frequent collection.
- The mean daily sperm production in tomcats was estimated to be 30 × 10^6 spermatozoa.
Conclusions:
- Frequent semen collection can deplete epididymal spermatozoa in tomcats.
- Tomcats require a resting period of six days or more to restore sperm count, with an average daily production of 30 million spermatozoa.
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