Broken eggs decrease pH of rainbow trout (Oncorhynchus mykiss) ovarian fluid
2007
Dietrich, G.J. | Wojtczak, M. | Słowińska, M. | Dobosz, S. | Kuźmiński, H. | Ciereszko, A.
Low pH of ovarian fluid is attributed to its inability to activate sperm motility. In the present study we sought if broken eggs are reason for the decrease of ovarian fluid pH. We examined if 1) there is relationship between turbidity of ovarian fluid (indicator of presence of broken eggs) and pH, and 2) there is a decrease in ovarian fluid pH after addition of broken eggs. We found a negative relationship between the turbidity and ovarian fluid pH. Addition of the content of broken eggs to ovarian fluid caused a decrease of pH and a decrease in ovarian fluid ability to activate sperm motility. Therefore it can be suggested that content of broken eggs decreases or negates the ability of ovarian fluid to activate sperm motility due to a decrease of pH.
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