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WO1997010707A1 - Procede d'incubation artificielle d'oeufs de poule - Google Patents

Procede d'incubation artificielle d'oeufs de poule Download PDF

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Publication number
WO1997010707A1
WO1997010707A1 PCT/EP1996/003866 EP9603866W WO9710707A1 WO 1997010707 A1 WO1997010707 A1 WO 1997010707A1 EP 9603866 W EP9603866 W EP 9603866W WO 9710707 A1 WO9710707 A1 WO 9710707A1
Authority
WO
WIPO (PCT)
Prior art keywords
eggs
incubation
hens
during
relative humidity
Prior art date
Application number
PCT/EP1996/003866
Other languages
German (de)
English (en)
Inventor
Roland Grossmann
Eckhard MÜHLBAUER
Sergey Kisliuk
Original Assignee
Roland Grossmann
Muehlbauer Eckhard
Sergey Kisliuk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Roland Grossmann, Muehlbauer Eckhard, Sergey Kisliuk filed Critical Roland Grossmann
Publication of WO1997010707A1 publication Critical patent/WO1997010707A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K41/00—Incubators for poultry
    • A01K41/04—Controlling humidity in incubators

Definitions

  • Eggs are incubated in industry and research as standard with a brood heat of 37 to 38 ° C.
  • the relative humidity is set to about 60% and is increased to 80% during hatching, i.e. incubation until the chicks hatch on the 21st day. This applies to chickens as well as other domesticated birds.
  • These incubation conditions are considered optimal because they are associated with a high hatching rate (Yearbook for the Poultry Industry 1995, J. Petersen ed, Ulmer Verlag).
  • the invention is therefore based on the object of increasing the egg production of a laying hen.
  • a regulatory element of chick reproduction is the hormone arginine vasotocin (AVT), which is synthesized in the hypothalamus and released into the blood via the neurohypophysis.
  • AVT stimulates the contraction of the oviduct during egg laying.
  • Another biological function of the AVT is the regulation of the water balance.
  • an osmotic stimulus during embryonic development such as a reduction in humidity in the incubator, causes a permanent increase in the activity of the AVT system during later life. It has been shown in particular that the incubation of hatching eggs under reduced atmospheric humidity can be used to increase egg production via the permanent stimulation of the AVT system. A precise explanation of the physiological effects of this mechanism is still pending.
  • the eggs are in the first 8 to 10 days after the egg laying at a relative humidity of about 58 to 62%, then until the 18th day at a relative humidity of 32 to 40% and then at a relative Humidity from 78 to 80% incubated until hatching.
  • the last incubation stage corresponds to standard conditions and is preferably carried out in the hatcher.
  • the inventive incubation the egg production of about 260 eggs per hen and year • can be increased by about 5 eggs.
  • about 1 million fewer laying hens would have to be kept or 250 million more eggs would be produced if the method according to the invention were used.
  • the invention is illustrated by the following example.
  • Fertilized eggs from a group of leghorn line (LSL) hens were randomly divided into two groups.
  • control group I the incubation was carried out under standard conditions and in test group II, incubation was carried out under reduced humidity.
  • both groups were incubated in the same incubator at 58 to 62% relative humidity, the incubation temperature being 37.8 ° C.
  • the groups were divided and group II was incubated at a relative humidity of 32 to 40%.
  • From the 18th day of incubation both groups were again placed in a hatcher and incubated at 37.0 ° C and a relative humidity of 78 to 80% according to standard conditions until hatching.
  • the hatching rate i.e. The number of hatched animals, based on the eggs, was not significantly different between the two groups and was 89 to 91%.
  • the test duration was 52 weeks.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Feed For Specific Animals (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Meat, Egg Or Seafood Products (AREA)

Abstract

L'invention concerne un procédé d'incubation d'oeufs de poule, selon lequel un stimulus osmotique est exercé sur les oeufs de poule pendant l'incubation. Ledit stimulus osmotique consiste en une diminution à action multiple de l'humidité de l'air pendant la pré-incubation. L'humidité relative de l'air peut être ajustée à un niveau compris entre 32 et 42 %.
PCT/EP1996/003866 1995-09-21 1996-09-04 Procede d'incubation artificielle d'oeufs de poule WO1997010707A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19535073A DE19535073C1 (de) 1995-09-21 1995-09-21 Verfahren zur künstlichen Inkubation von Hühnereiern
DE19535073.1 1995-09-21

Publications (1)

Publication Number Publication Date
WO1997010707A1 true WO1997010707A1 (fr) 1997-03-27

Family

ID=7772763

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1996/003866 WO1997010707A1 (fr) 1995-09-21 1996-09-04 Procede d'incubation artificielle d'oeufs de poule

Country Status (2)

Country Link
DE (1) DE19535073C1 (fr)
WO (1) WO1997010707A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001057069A3 (fr) * 2000-02-02 2002-02-21 Transgene Sa Peptides capables de ciblage
US6534059B2 (en) * 2001-06-05 2003-03-18 Advanced Biotherapy, Inc. Compositions and methods for treating hyperimmune response in the eye
CN102972312A (zh) * 2012-12-07 2013-03-20 陆威延 一种节能孵化装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG160426A1 (en) * 2006-02-23 2010-04-29 Ovagen Internat Ltd Method for incubation and hatching of eggs

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2056247B (en) * 1979-07-31 1982-11-17 Trefolium Marketing Consultant Egg incubation

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DAVIS ET AL: "Embryonic Osmoregulation: Consequences of High and Low Water Loss during Incubation of the Chicken Egg", THE JOURNAL OF EXPERIMENTAL ZOOLOGY, no. 245, 1988, US, pages 144 - 156, XP000613521 *
ROBERTSON: "Studies on the effect of humidity on the hatchability of hens' eggs II: A comparison of hatchability, weight loss and embryonic growth in eggs incubated at 40 and 70 % R.H.", JOURNAL OF AGRICULTURAL SCIENCE, no. 57, 1961, GB, pages 195 - 198, XP000613524 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001057069A3 (fr) * 2000-02-02 2002-02-21 Transgene Sa Peptides capables de ciblage
US6534059B2 (en) * 2001-06-05 2003-03-18 Advanced Biotherapy, Inc. Compositions and methods for treating hyperimmune response in the eye
CN102972312A (zh) * 2012-12-07 2013-03-20 陆威延 一种节能孵化装置

Also Published As

Publication number Publication date
DE19535073C1 (de) 1997-02-20

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