Veterinary Reproduction Library
Research on felid and canine reproduction, from semen extenders and insemination to embryology and conservation.
Browse recent studies by topicSemen extenders and cryopreservation
A defined synthetic extender kept refrigerated domestic cat epididymal sperm motile longer than the Tris and egg-yolk comparator in laboratory tests. The authors did not test fertilizing capacity after extended storage.
View publicationA study of a captive breeding pair identified semen quality as a likely factor in infertility. The authors combined reproductive and cytogenetic assessments.
View publicationThis review examines how assisted reproduction and the preservation of reproductive material can support wild felid conservation.
View publicationHormones, cycles and timing
None of 38 archived serum samples in the selected progesterone range returned a positive rapid LH result. The study cautions against using that range alone to identify the LH surge and did not establish a new threshold.
View publicationThe study describes testicular ultrasound measurements and semen characteristics in captive oncillas from the Caatinga biome.
View publicationSemen extenders and cryopreservation
In laboratory storage tests, a Tris and egg yolk extender slowed the loss of selected sperm membrane lipids and helped preserve early motility. The researchers did not measure pregnancy outcomes.
View publicationSemen extenders and cryopreservation
Adding apigenin and N-acetylcysteine amide to a Tris and egg yolk extender improved laboratory measures during chilled storage of pooled semen from five dogs. The experiment did not test fertility.
View publicationArtificial insemination and clinical techniques
A dog delivered nine puppies after endoscope-assisted transcervical insemination using frozen-thawed epididymal sperm. This single case shows feasibility under the reported conditions and cannot establish a success rate.
View publicationSemen extenders and cryopreservation
In samples from ten dogs, the Tris extender with egg yolk preserved selected post-thaw motility and mitochondrial measures better than the tested soy lecithin formulations. Fertility was not measured.
View publicationArtificial insemination and clinical techniques
A study of ovarian synchronization and laparoscopic insemination in jaguars reported a live cub. The final experiment involved five females, so the result does not establish a reliable pregnancy rate.
View publicationSemen extenders and cryopreservation
A field study of six ocelots and six bobcats found no detectable differences between ultra-rapid and conventional straw freezing on the laboratory outcomes tested. Fertilization tests used domestic cat oocytes and did not assess births.
View publicationSemen extenders and cryopreservation
In chilled semen samples from 15 dogs, the tested Tris extender with egg yolk performed better than the soy lecithin formulation on several laboratory measures. DNA integrity did not differ and pregnancy was not assessed.
View publicationBrowse recent publications by topic. The live feed searches Europe PMC for PubMed records and displays the original titles.
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