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Can you convince sheep to lamb more than once a year?

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Can you convince sheep to lamb more than once a year?
Why Do Sheep Only Breed in Fall???
Ewe not as in You! • Ewe = Adult, female sheep • Ram = Adult, intact male sheep • Wether = Castrated male sheep • Lamb = Juvenile, male or female sheep
Natural Sheep Facts • Onset of puberty is first fall • Estrous cycle is 16.5 days • Standing heat (Estrus) lasts 1-2 days • Gestation period is 150 days
So back to the question… • This is due to the PHOTOPERIODIC EFFECT • The photo-peri-what effect?
Due to Hormone/Daylight Interaction
Edmonton Latitude Dependent Temperate Equator Tropical Temperate
How do we over ride nature? • Control lighting inside a barn
How do we over ride nature? • Control lighting outside with high intensity flood lamps
How can we benefit from this? • Aggressive management can increase the number of gestations per year to 1.5 • More lambs=more money for the producer
Do Humans Show Characteristics of the Photoperiodic Effect? • When are your children born??
Can you convince sheep to lamb more than once a year?
Why Do Sheep Only Breed in Fall???
Ewe not as in You! • Ewe = Adult, female sheep • Ram = Adult, intact male sheep • Wether = Castrated male sheep • Lamb = Juvenile, male or female sheep
Natural Sheep Facts • Onset of puberty is first fall • Estrous cycle is 16.5 days • Standing heat (Estrus) lasts 1-2 days • Gestation period is 150 days
So back to the question… • This is due to the PHOTOPERIODIC EFFECT • The photo-peri-what effect?
Due to Hormone/Daylight Interaction
Edmonton Latitude Dependent Temperate Equator Tropical Temperate
How do we over ride nature? • Control lighting inside a barn
How do we over ride nature? • Control lighting outside with high intensity flood lamps
How can we benefit from this? • Aggressive management can increase the number of gestations per year to 1.5 • More lambs=more money for the producer
Do Humans Show Characteristics of the Photoperiodic Effect? • When are your children born??
Can you convince sheep to lamb more than once a year?

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Can you convince sheep to lamb more than once a year?

  • 1. Can you convince sheep to lamb more than once a year?
  • 2. Why Do Sheep Only Breed in Fall???
  • 3. Ewe not as in You! • Ewe = Adult, female sheep • Ram = Adult, intact male sheep • Wether = Castrated male sheep • Lamb = Juvenile, male or female sheep
  • 4. Natural Sheep Facts • Onset of puberty is first fall • Estrous cycle is 16.5 days • Standing heat (Estrus) lasts 1-2 days • Gestation period is 150 days
  • 5. So back to the question… • This is due to the PHOTOPERIODIC EFFECT • The photo-peri-what effect?
  • 7. Edmonton Latitude Dependent Temperate Equator Tropical Temperate
  • 8. How do we over ride nature? • Control lighting inside a barn
  • 9. How do we over ride nature? • Control lighting outside with high intensity flood lamps
  • 10. How can we benefit from this? • Aggressive management can increase the number of gestations per year to 1.5 • More lambs=more money for the producer
  • 11. Do Humans Show Characteristics of the Photoperiodic Effect? • When are your children born??
  • 12.
  • 13. Can you convince sheep to lamb more than once a year?
  • 14. Why Do Sheep Only Breed in Fall???
  • 15. Ewe not as in You! • Ewe = Adult, female sheep • Ram = Adult, intact male sheep • Wether = Castrated male sheep • Lamb = Juvenile, male or female sheep
  • 16. Natural Sheep Facts • Onset of puberty is first fall • Estrous cycle is 16.5 days • Standing heat (Estrus) lasts 1-2 days • Gestation period is 150 days
  • 17. So back to the question… • This is due to the PHOTOPERIODIC EFFECT • The photo-peri-what effect?
  • 18. Due to Hormone/Daylight Interaction
  • 19. Edmonton Latitude Dependent Temperate Equator Tropical Temperate
  • 20. How do we over ride nature? • Control lighting inside a barn
  • 21. How do we over ride nature? • Control lighting outside with high intensity flood lamps
  • 22. How can we benefit from this? • Aggressive management can increase the number of gestations per year to 1.5 • More lambs=more money for the producer
  • 23. Do Humans Show Characteristics of the Photoperiodic Effect? • When are your children born??