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In vitro maturation of canine oocytes

Determine the effects of different in vitro maturation (IVM) conditions on the developmental competence of canine oocytes.

Test tubes

Assisted reproductive technologies, such as in vitro oocyte maturation (IVM) and in vitro fertilisation (IVF), in the canine offer potential benefits for animal breeding and conservation of endangered canid species.

However, the efficiency of these technologies in the dog is limited. In particular, the capacity of canine oocytes to complete meiotic maturation in vitro is very low, compared to other species. This likely relates to the unique reproductive biology of the dog.

In most mammals, nuclear and cytoplasmic maturation of the oocyte occurs within the ovarian follicle before ovulation. However, canine oocytes are ovulated at an immature stage and undergo meiotic maturation within the oviducts over a prolonged period (48-96 h).

Therefore, to develop the appropriate conditions for in vitro maturation of canine oocytes both the follicular and oviductal environments the oocyte would typically be exposed to in vivo need to be considered.

We have previously assessed the effects of varying the hormones added to the maturation media. This project will further assess the effects of varying other components of the media and conditions used on in vitro maturation of the canine oocyte.

Key methodology: Oocyte collection (from ovaries donated after spay), in vitro oocyte maturation, oocyte nuclear maturation staining.


Supervisors

Tagged in Honours projects - Animal science, Honours projects - Molecular and biomedical science, Honours in Animal Science subtheme - Pathobiology infectious disease and public health, Honours in Animal Science subtheme - Companion animal health, Honours projects - Karen Kind, Honours projects - Jen Kelly, Honours projects - Jose Len, Honours projects - Molecular and biomedical science: Other

STEM Careers Night: On-campus and online

Whether you're still at high school or planning to join us mid-year, taking a break from study or rethinking your career path, come chat with us at our STEM Careers Night.

You and your parents are invited to join us on campus on Tuesday 18 May to see what’s available in the world of STEM.

STEM Careers Night