Dudley D. Culley, Jr.

Recent Developments In Frog Culture

Effects of crowding were investigated with respect to growth, feeding, food conversion, mortality, and health of bullfrogs (Rana catesbeiana) up to 9 months of age. No statistically significant differences were found with regard to growth, food consumption, food conversion, mortality, or health. The average food conversion (C) was less than 2.6 during the first two months of growth and values between 1.65 and 1.99 were obtained. By the third month most values approached 3.00. A high correlation was found between gain and food conversion. Daily consumption as high as 350/0 was...

Year
1971