Halacka and Lusk, 1995



Citation


Halacka, K. and Lusk, S. (1995) Mortaliry in eggs of nase, Chondrostoma nasus, during incubation. Folia Zool., pp. 51-56

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Chondrostoma nasus Egg Egg adhesiveness The water was decanted and various media were applied to remove the adhesiveness of the eggs Adhesive
Chondrostoma nasus Egg Incubation time At a mean temperature of 12°C, egg incubation lasted 11 days, and only 6 days at 14.7°C 12.0 days
Chondrostoma nasus Egg Degree-days for incubation 135 DD [At 12°C] and 88 [At 14.7°C] 135.0 °C * day
Chondrostoma nasus Egg Temperature for incubation Incubated at 12 and 14.7°C. Water temperature dropping below 8°C resulted in a marked increase in looses 12.0 °C
Chondrostoma nasus Egg Egg size after water-hardening The mean size of the fertilized eggs was 2.70-2.91 mm 2.805 mm