Natural And Artificial Duck Culture by James RankinNatural And Artificial Duck Culture by James Rankin

Natural And Artificial Duck Culture

byJames Rankin

Paperback | August 9, 2012

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Excerpt: ... pipped. At last a letter Pg 73 came from him stating that he had just had a worse experience than ever. He had a most promising hatch of three hundred fertile eggs, nearly all of which were pipped, and that, after a little more than half were hatched, he took them out as usual, about one hundred and fifty in number, and put them behind the stove to dry off, and his machine dropped to 90 degrees at once, and not another chick came out. The cat was out of the bag. I wrote him at once that for every fifteen chicks he had taken out he had taken one degree of heat from his machine, and had he followed instructions he would not have suffered loss. He wrote back that he had shut up his machine for the season, but that he should run it one more hatch just to prove that I was wrong. At the end of three weeks a letter was received saying, "I tender you my hat. I got a splendid hatch of 88-1/2 per cent." Proving that occasionally there is danger of the operator knowing too much. After the ducklings are all out, the egg-trays should be removed, the valves opened, and the machine cooled down to 90 degrees, and the birds allowed to remain in the machine for at least twenty-four hours. I always cover the bottom of machine with an inch of fine wheat-bran, otherwise the ducklings would soon make it filthy and offensive. This acts both as absorbent and disinfectant. After each hatch there will be more or less fertile eggs left in the trays with dead ducklings in them. There will be, comparatively, but few of these in the spring of the year, but during the latter part of the summer there will be more of them, and many of the eggs will have but little vitality in them. Forcing the Bird Reduces the Vitality of the Egg. The reason is this: the bird in its natural condition does not produce her eggs in our climate until April. Pg 74 She will lay twenty-five to thirty eggs, then show a desire to incubate, then will recuperate, and set a second time, perhaps giving a...
Title:Natural And Artificial Duck CultureFormat:PaperbackDimensions:42 pages, 9.69 × 7.44 × 0.09 inPublished:August 9, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217844200

ISBN - 13:9780217844208