Article
Naturally monozygotic quadruplets in a Braford cow confirmed by DNA analysis: A case report.
Reproduction in domestic animals = Zuchthygiene - 1 Sept 2020
Rogberg-Muñoz Andrés, Castillo Nadia S, Zappa María E, Crespi Julián A, Villegas-Castagnasso Egle E, Gómez Paula M, Peral-García Pilar, Giovambattista Guillermo
Abstract excerpt
Cattle are a monotocous species, despite naturally conceived multiple births are sometimes observed. Although the number of twins has consistently increased, triplet and quadruplet pregnancies represent 0.015% and 0.004% of the total births, respectively. Multiple births are the result of multiple ovulation and/or the spontaneous cleavage of one fertilized oocyte, which is known as monozygotic (MZ) twinning. In...
Topics
- Animals
- Cattle
- Female
- Genotype
- Litter Size
- Multiple Birth Offspring
- Pregnancy
- Pregnancy, Multiple
- Sequence Analysis, DNA