...Like the others, this butterflyis single-brooded, laying the eggs on or near violets late insummer, the eggs hatching into larvae that take no fooduntil the following spring...
Clarence M. Weed 「Butterflies Worth Knowing」
...Duck breeders whomake a specialty of selling breeding stock or eggsfor hatching find a steady and quite a wide demandfor their stock...
Harry M. Lamon 「Ducks and Geese」
...Incubators are used exclusivelyfor hatching the eggs...
Harry M. Lamon 「Ducks and Geese」
...If ducks work too much inthis kind of material they will eat more or less of itwhich injures the eggs for hatching purposes...
Harry M. Lamon 「Ducks and Geese」
...Age of Hatching Eggs...
Harry M. Lamon 「Ducks and Geese」
...Often the temperature will run up a littlehigher than this at hatching time but this does notdo any harm...
Harry M. Lamon 「Ducks and Geese」
...In generalit is good practice to mate young ganders to oldergeese and to mate younger geese with older gandersas this seems to get better results both in fertilityand in hatching...
Harry M. Lamon 「Ducks and Geese」
...Ofcourse the price of eggs for hatching like that ofbreeding birds depends on the quality of the stock...
Harry M. Lamon 「Ducks and Geese」
...Itis well to mark the eggs as gathered with the datethey are laid so as to overcome the possibility of savingtoo long any eggs for hatching...
Harry M. Lamon 「Ducks and Geese」
...Artificial methods are very successful with goslingsmuch more so in fact than are artificial methodsof hatching the eggs...
Harry M. Lamon 「Ducks and Geese」
...sila and sordida fromstreams have relatively longer tails at hatching...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...In the structure and development of the egg there is a great uniformity;but there is a remarkable difference in the condition of the young birdat the moment of hatching...
Robert Jennings 「Sheep, Swine, and Poultry」
...The old-time notion, that small, round eggs produce females, and long,pointed ones males—originally applied, by the ancients, to eatingrather than hatching purposes—may be considered exploded...
Robert Jennings 「Sheep, Swine, and Poultry」
...The time required from the laying of theeggs to their hatching varies considerably, according to the temperature...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The hatching season...
John H. Robinson 「Our Domestic Birds」
...Success in artificial hatching requires careful attention to theoperation of the incubator and good judgment in adjusting and regulatingit...
John H. Robinson 「Our Domestic Birds」
...In the early part of the eighteenth century a French scientist namedRéaumur, who was much interested in poultry, began to make experimentsin artificial hatching and brooding...
John H. Robinson 「Our Domestic Birds」
...After Réaumur many others experimented with artificial hatching...
John H. Robinson 「Our Domestic Birds」
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jurisdictions sincerely Marsala
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