كتب ذات صلة

The waterfowl research program in Illinois

Trapping and handling Canada geese.

A new genus and species of flightless duck from Campbell Island

A natural history of the ducks

• The improvement of the farm egg
  المؤلفون: Lamon, Harry M. ,  Opperman, C. L.
• Poultry feeds and feeding
  المؤلفون: Lamon, Harry M. ,  Lee, Alfred R.
• Practical poultry production