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Published on: August 15, 2018
Acephalous lamb from an in vitro-produced sheep embryo.
Abolfazl Shirazi1, Ebrahim Ahmadi, Majid Jadidi
1Research Institute of Animal Embryo Technology, Shahrekord University, PO Box: 115, Shahrekord, Iran. shiraziabbas@yahoo.com
Summary
This study reports the first case of an acephalous lamb born from an in vitro-produced sheep embryo transfer. Researchers discuss potential factors contributing to this rare congenital abnormality in sheep reproduction.
Area of Science:
- Veterinary Science
- Reproductive Biology
- Embryology
Background:
- In vitro fertilization (IVF) and embryo transfer are crucial in assisted reproductive technologies for livestock.
- Congenital abnormalities can occur in offspring resulting from assisted reproduction, though rare.
- Acephalus, a severe congenital defect characterized by the absence of the head, is exceptionally uncommon in sheep.
Observation:
- Twelve in vitro-fertilized sheep embryos were transferred into four recipient ewes.
- Pregnancy was established in two ewes, with one delivering a normal lamb and the other an acephalous (lacking a head) lamb.
Findings:
- This case represents the first documented instance of an acephalous lamb resulting from in vitro-produced sheep embryo transfer.
- The study highlights a rare congenital defect in sheep reproduction.
Implications:
- Further research is needed to identify specific factors contributing to acephalousявления in IVF-derived sheep embryos.
- Understanding these factors can help improve the safety and efficacy of assisted reproductive technologies in livestock.
