270 FISH CULTUEE 



uous inflow and outflow for either brood-fish 

 ponds or fry-ponds is not imperative if they 

 contain plants. 



Feeding. The feeding of adult fish is not as 

 difficult as might be imagined. Of course the 

 very best food is daphnia, which can generally 

 be secured in still-water ponds in which there 

 are no fish. I believe there would be compara- 

 tively little difficulty in raising daphnia, by coat- 

 ing the bottom of the pond with soil bountifully 

 mixed with cow or sheep manure. Dry crumbled 

 bread makes an excellent fish-food, and it is 

 not a difficult matter to secure recipes for pre- 

 pared foods. The following is said to be ex- 

 cellent: One handful of earth worms; half a 

 pound of salt cod-fish boiled; one ounce fresh 

 ant-eggs ; one ounce of fibre meat ; two eggs un- 

 cooked, including the shells ; one pound of corn 

 meal, very fine; a quarter of a pound of rice 

 flour, very fine ; one package of gem of wheat ; 

 a quarter of a pound of yellow pea flour ; quar- 

 ter-ounce of table salt; quarter-ounce of epsom 

 salts; one cup of ox blood and one pint of 

 daphnia. Chop the worms very fine ; crush the 

 shells of the eggs to powder; mix the various 



