Assisted Reproduction in Wild Felid Conservation
Summary
Assisted reproduction in wild felids employs a suite of biotechnologies to augment breeding success in endangered species. These interventions address demographic and genetic challenges such as small population sizes, inbreeding depression, advanced maternal age and behavioural incompatibilities. Key methodologies include semen collection and cryopreservation, hormonal stimulation protocols, artificial insemination of both fresh and frozen sperm, in vitro fertilisation and embryo transfer, and establishment of germplasm banks. Non-invasive monitoring of oestrous cycles and emerging pregnancy biomarkers refine intervention timing, while behavioural modulation through semiochemicals enhances mating readiness. Collectively, these approaches help to maintain genetic diversity, create insurance populations and underpin reintroduction programmes for species such as cheetahs, lions, ocelots and pumas worldwide.
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Assisted Reproduction in Wild Felid Conservation publication trend
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Technical terms
Assisted Reproductive Technique (ART): Biotechnological procedures such as artificial insemination, in vitro fertilisation and embryo transfer used to achieve pregnancy without natural mating.
Artificial Insemination (AI): Delivery of sperm into the female reproductive tract by non-natural means to facilitate fertilisation.
In Vitro Fertilisation (IVF): Laboratory procedure in which oocytes are fertilised by sperm outside the body and cultured to early embryonic stages.
Embryo Transfer (ET): Placement of in vitro-produced embryos into the uterus or oviduct of a synchronised recipient female.
Cryopreservation: Storage of gametes or embryos at ultra-low temperatures to preserve viability for future reproductive use.
Germplasm Bank: Repository for long-term conservation of genetic material, including sperm, oocytes, embryos and somatic cells.
References
- The Effect of a Synthetic Scent on Cheetah Behaviour. Animals (2023).
- First Birth of Cheetah Cubs from In Vitro Fertilization and Embryo Transfer. Animals (2020).
- How Can We Introduce ART into Wild Felid Conservation in Practice? Joint Experience in Semen Collection from Captive Wild Felids in Europe. Animals (2022).
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