Anim Reprod 2020 Aug 4;17(3):e20200037. Epub 2020 Aug 4.
Setor de Reprodução Animal e Obstetrícia, Hospital Veterinário, Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, Salvador, BA, Brasil.
Due to the peculiarities of the reproductive cycle of the female dog, which makes it difficult to accurately ascertain the date of conception, it may be challenging to precisely estimate the gestational age in bitches. Using fetal measurements obtained by ultrasound, it is possible to estimate the gestational age in dogs; however, due to the differences in size of the various breeds, such estimates may have a significant standard deviation, which represents less accuracy when specifying the date of birth. The purpose of this study was to evaluate pregnant female Chihuahuas, establishing relations between the fetal dimensions measured by ultrasound and the remaining time until delivery. Read More