References
- 1. Beccaglia, M., Alonge, S., Trovo’, C., Luvoni, G. C., 2016: Determination of gestational time and prediction of parturition in dogs and cats: an update. Reprod. Domest. Anim., 51 (Suppl. 1), 12–17. DOI: 10.1111/rda.12782.
- 2. Eilts, B., Davidson, A., Hosgood, G., Paccamonti, D., Baker, D., 2005: Factors affecting gestation length in the bitch. Theriogenology, 64, 2, 242–251. DOI: 10.1016/j.theriogenology.2004.11.007.
- 3. England, G. C. W., Allen, W. E., Porter, D. J., 1990: Studies on canine pregnancy using B-mode ultrasound: Development of the conceptus and determination of gestational age. J. Small Anim. Pract., 31, 7, 324–329. DOI:10.1111/j.1748-5827.1990.tb00821.x.
- 4. Gil, E. M. U., Garcia, D. A. A., Froes, T. R., 2015: In utero development of the fetal intestine: Sonographic evaluation and correlation with gestational age and fetal maturity in dogs. Theriogenology, 84, 5, 681–686. DOI: 10.1016/j.theriogenology.2015.04.030.
- 5. Groppetti, D., Vegetti, F., Bronzo, V., Pecile, A., 2015: Breed-specific fetal biometry and factors affecting the prediction of whelping date in the German shepherd dog. Anim. Reprod. Sci., 152, 117–122. DOI: 10.1016/j.anireprosci.2014.11.018.
- 6. Hensel, M. E., Negron, M., Arenas-Gamboa, A. M., 2018: Brucellosis in dogs and public health risk. Emerg. Infect. Dis., 24, 8, 1401–1406. DOI: 10.3201/eid2408.171171.
- 7. Horňáková, Ľ., Horňák, S., Valenčáková, A., 2023: Gynekologia a porodnictvo psov (in Slovak). Košice: UVLF.
- 8. Kim B.-S., Son, C.-H., 2007: Time of initial detection of fetal and extra-fetal structures by ultrasonographic examination in Miniature Schnauzer bitches. J. Vet. Sci., 8, 3, 289–293. DOI: 10.4142/jvs.2007.8.3.289.
- 9. Lopate, C., 2008: Estimation of gestational age and assessment of canine fetal maturation using radiology and ultra-sonography: a review. Theriogenology, 70, 3, 397–402. DOI: 10.1016/j.theriogenology.2008.05.034.
- 10. Luvoni, G. C., 2013: Ultrasonographic foetal biometry in dogs and cats. World Small Animal Veterinary Association World Congress Proceedings. https://www.vin.com/apputil/content/defaultadv1.aspx?pId=11372&id=5709772&print=1, Accessed January 14, 2024.
- 11. Luvoni, G. C., Beccaglia, M., 2006: The prediction of parturition date in canine pregnancy. Reprod. Domest. Anim., 41, 1, 27–32. DOI: 10.1111/j.1439-0531.2006.00641.x.
- 12. Luvoni, G. C., Grioni, A., 2000: Determination of gestational age in medium and small size bitches using ultrasono-graphic fetal measurements. J. Small. Anim. Pract., 41, 7, 292–294. DOI: 10.1111/j.1748-5827.2000.tb03204.x.
- 13. Milani, C., Cecchetto, M., Vencato, J., Stelleta, C., Mollo, A., Micheli, E., et al., 2013: Accuracy of prediction of gestational age using foetal and extrafoetal parameters in German Sheperd bitches. Conference: 11th Congress of Italian Society of Animal Reproduction. DOI:10.4488/SIRA.2013.29.
- 14. Pretzer, S. D., 2008: Canine embryonic and fetal development: a review. Theriogenology, 70, 3, 300–30. DOI: 10.1016/j.theriogenology.2008.04.029.
- 15. Rijsselaere, T., Van Soom, A., Van Cruchten, S., Coryn, M., Görtz, K., Maes, D., et al., 2004: Sperm distribution in the genital tract of the bitch following artificial insemination in relation to the time of ovulation. Reproduction., 128, 6, 801–811. DOI: 10.1530/rep.1.00273.
- 16. Ronsse, V., Verstegen, J., Thiry, E., Onclin, K., Aeberlé, C., Brunet, S., et al., 2005: Canine herpesvirus-1 (CHV-1): clinical, serological and virological patterns in breeding colonies. Theriogenology, 64, 1, 61–74. DOI: 10.1016/j.theriogenology.2004.11.016.
- 17. Rota, A., Cabianca, G., 2004: In vitro maturation rates of canine oocytes from anoestrous bitches in simple media. Re-prod. Nutr. Dev., 44, 2, 105–109. DOI: 10.1051/rnd:2004018
- 18. Schaefers-Okkens, A., Teunissen, J., Osch, W., Brom, W., Dieleman, S., Kooistra, H., 2001: Influence of litter size and breed on the duration of gestation in dogs. J. Reprod. Fertil. (Suppl.), 57, 193–7.
- 19. Siena, G., Milani, C., 2021: Usefulness of maternal and fetal parameters for the prediction of parturition date in dogs. Animals (Basel), 11, 3, 878. https://doi.org/10.3390/ani11030878. Accessed January 2024.
- 20. Socha, P., Janowski, T., 2017: Comparison of three different fetometric formulas of ICC and BP for calculating the parturition date in a population of German Shepherd. Theriogenology, 95, 48–53. DOI: 10.1016/j.theriogenology.2017.02.026.
- 21. Socha, P., Janowski, T., Bancerz-Kisiel, A., 2015: Ultra-sonographic fetometry formulas of inner chorionic cavity diameter and biparietal diameter for medium-sized dogs can be used in giant breeds. Theriogenology, 84, 5, 779–783. DOI: 10.1016/j.theriogenology.2015.05.012. PMID: 26092700.
- 22. Son, Y.B., Jeong, Y.I., Hossein, M.S., Olsson, P.O., Kim, G., Jeong, Y.W., et al., 2021: Comparative evaluation of three different formulas for predicting the parturition date of German Shepherds following somatic cell nuclear transfer. J. Vet. Med. Sci., 83, 9, 1448–1453. DOI: 10.1292/jvms.21-0154.
- 23. Songsasen, N., Wildt, D. E., 2007: Oocyte biology and challenges in developing in vitro maturation systems in the domestic dog. Anim. Reprod. Sci., 98, 1–2, 2–22. DOI: 10.1016/j.anireprosci.2006.10.004.
- 24. Sousa Oliveira, K., 2016: World Small Animal Veterinary Association Congress Proceedings. https://www.vin.com/doc/?id=8249794. Accessed January 2024.
- 25. Ström Holst, B., Hagberg Gustavsson, M., Grapperon-Mathis, M., Lilliehöök, I., Johannisson, A., Isaksson, M., et al., 2012: Canine herpesvirus during pregnancy and non-pregnant luteal phase. Reprod. Domest. Anim., 47 (Suppl. 6), 362–365. DOI: 10.1111/rda.12099.