A chromosomal reciprocal translocation (1q+; 14q-) in a boar siring reduced litter sizes

T. Q. Zhang, L. C. Buoen, Alvin F Weber, B. Christianson, Robert B Morrison, W. Marsh, G. R. Ruth

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


In our initial cytogenetic surveillance of boars one of 15 was found to be hypoprolific. It averaged 7.1 piglets per litter in over 51 monospermic matings with sows which, with other boars averaged 10.8 piglets per litter. Cytogenetic evaluations revealed only the hypoprolific boar to have an abnormal karyotype, namely {38XY, t(1;14) (q2.12, q2.2)}. This represents a new type of 1;14 reciprocal translocation, and also the first report of a reciprocal translocation for swine in the United States.

Original languageEnglish (US)
Pages (from-to)799-806
Number of pages8
Issue number5
StatePublished - Nov 1992


  • boar
  • chromosome
  • hypoprolificacy
  • litter size
  • reciprocal translocation

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