BREEDS AND VARIETIES 



eggs to average about 2^ pounds per dozen although 

 there is a tendency for the Rouen eggs to run some- 

 what larger and for Cayugas to run a little smaller. 

 Muscovy eggs weigh about 3 pounds per dozen with 

 selected large eggs weighing as high as 3^ pounds. 

 Eggs of the Runner duck are smaller but are consid- 

 erably larger than average hens' eggs or about the 

 size of large Minorca eggs. They weigh about 2 

 pounds per dozen. Eggs of the bantam breeds of 

 ducks, the Calls and the Black East India, together 

 with those of the Mandarin and Wood ducks will 

 weigh from one pound to 1^ pounds per dozen de- 

 pending upon the size of the ducks themselves. Eggs 

 of the Mallard duck will run from 26 to 32 ounces 

 to the dozen. The size of eggs laid by ducks, espe- 

 cially the bantam breeds and the Mallard can be 

 increased somewhat by liberal feeding. Average 

 hens' eggs should weigh about 1^ pounds per dozen. 

 Color of Eggs. The color of duck eggs ranges 

 from white to a polished black. Pekin eggs run 

 mostly white although some show a decided blue 

 or green tint. Aylesbury eggs run quite uniformly 

 white. The color of Rouen eggs varies from white 

 to a dark green. The Cayuga produces very few 

 white eggs, most of them being green or black, some 

 being as black as though polished. Muscovy eggs 

 run from a white to a greenish cream in color. The 

 eggs of the Blue Swedish and the Buff ducks usually 

 run white. The Runner duck lays white eggs as a 

 rule while the Crested White duck lays eggs which 



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