Appropriate Insemination Time
• The main factor of determining appropriate time for insemination is detection of ovulation time.
• Other than that; fertile lifespan of ovum and spermatozoon, semen storing contidions and quality are also criteria that should be kept in mind.
• Cow
Estrus duration 12-18 hours
Ovulation time 10-12 hours after estrus ending
Sperm fertile viability 24-36 hours Ovum fertile viability 20-24 hours
Appropriate insemination
time Last half or third of estrus
Insemination method Recto-Vaginal method Place of semen deposition Corpus Uteri
Appropriate Insemination Time
• Cow
Appropriate Insemination Time
• Cow
Appropriate Insemination Time
• Cow
Appropriate Insemination Time
‘Morning/Afternoon’ Insemination Method If estrus is detected in the morning, they are
inseminated in the afternoon.
If estrus is detected in the afternoon, they are inseminated the following morning.
Appropriate Insemination Time
‘Once in the morning’ or ‘8-11 One insemination’ Method
In this method, regardless of when the estrus is detected, the insemination is done the following morning from 8.00 to 11.00 a.m.
Appropriate Insemination Time
• Mare
Estrus duration 4-7 days
Ovulation time 1-2 days before estrus ending Sperm fertile viability 72-96 hours
Ovum fertile viability 6-8 hours
Appropriate insemination
time 1 day before or at the time of ovulation
Insemination method Vaginal Method
Place of semen
deposition Corpus Uteri
Appropriate Insemination Time
• Mare
Appropriate Insemination Time
• Sheep
Estrus duration 30-36 hours
Ovulation time 24 to 30 hours after onset of estrus
Sperm fertile viability 30-48 hours Ovum fertile viability 16-24 hours
Appropriate insemination time 16 to 24 hours after onset of estrus
Insemination method Speculum method
Place of semen deposition Cervix Uteri
Insemination method Laparoscopic method Place of semen deposition Corpus Uteri
Appropriate Insemination Time
• Goat
Estrus duration 36-48 hours
Ovulation time 30 to 36 hours after onset of estrus Sperm fertile viability 30-48 hours
Ovum fertile viability 16-24 hours
Appropriate insemination time 16 to 24 hours after onset of estrus
Insemination method Speculum method
Place of semen deposition Cervix Uteri
Insemination method Laparoscopic method Place of semen deposition Corpus Uteri
Appropriate Insemination Time
• Dog
Estrus duration 9 days
Ovulation time 48 to 73 hours after onset of estrus Sperm fertile viability 96-144 hours
Ovum fertile viability 48-72 hours
Appropriate insemination time 48 and 96 hours after onset of estrus
Insemination method Catheter method
Place of semen deposition Vagina or Corpus Uteri Insemination method Laparoscopic method Place of semen deposition Uterus (Cornu or Corpus)
Appropriate Insemination Time
• Dog
Appropriate Insemination Time
• Cat
Estrus duration 6 days
Ovulation time Provoked ovulation
Sperm fertile viability 24-36 hours
Ovum fertile viability 8-16 hours
Appropriate insemination time Approx. 40 hours after administration of hCG
Insemination method Catheter method
Place of semen deposition Vagina or Corpus Uteri Insemination method Laparoscopic method
Place of semen deposition Corpus Uteri
Appropriate Insemination Time
• Pig
Estrus duration 60-72 hours
Ovulation time 36 to 40 hours after onset of estrus
Sperm fertile viability 36- 48 hours Ovum fertile viability 8-10 hours
Appropriate insemination time 16 and 24 hours after onset of estrus
Insemination method Catheter method Place of semen deposition Corpus Uteri
