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- Title
Sex chromosome abnormalities and sterility in river buffalo.
- Authors
Di Meo, G. P.; Perucatti, A.; Di Palo, R.; Iannuzzi, A.; Ciotola, F.; Peretti, V.; Neglia, G.; Campanile, G.; Zicarelli, L.; Iannuzzi, L.
- Abstract
Thirteen male river buffaloes, 119 females with reproductive problems (which had reached reproductive age but had failed to become pregnant in the presence of bulls) and two male co-twins underwent both clinical and cytogenetic investigation. Clinical analyses performed by veterinary practitioners revealed normal body conformation and external genitalia for most females. However, some subjects showed some slight male traits such as large base horn circumference, prominent withers and tight pelvis. Rectal palpation revealed damage to internal sex adducts varying between atrophy of Mullerian ducts to complete lack of internal sex adducts (with closed vagina). All bulls had normal karyotypes at high resolution banding, while 25 animals (23 females and 2 male co-twins) (20.7%) with reproductive problems were found to carry the following sex chromosome abnormalities: X monosomy (2 females); X trisomy (1 female); sex reversal syndrome (2 females); and free-martinism (18 females and 2 males). All female carriers were sterile. Copyright © 2008 S. Karger AG, Basel
- Subjects
SEX chromosomes; CHROMOSOME abnormalities; ABNORMALITIES in animals; WATER buffalo; ANIMAL morphology; CYTOGENETICS
- Publication
Cytogenetic & Genome Research, 2008, Vol 120, Issue 1/2, p127
- ISSN
1424-8581
- Publication type
Article
- DOI
10.1159/000118751