Chromosomal abnormalities in hypoprolific boars.

Abstract:

:Four new chromosomal rearrangements are reported in the domestic pig: 3 reciprocal translocations, rcp(4;12)(p13;q13) in a crossbred boar, rcp(1;7)(q17;q26) in a Large White purebred boar, rcp(1;6)(q17;q35) in a purebred synthetic paternal line boar, and a pericentric inversion inv(2)(p13q11) in a crossbred boar. The 1/7 reciprocal translocation and the pericentric inversion were detected in animals that had sired small litters. The effect of the 1/7 translocation was accurately determined: -4.5 piglets born per litter, i.e. -36%. Both the 1/6 and 1/7 reciprocal translocations were of maternal origin. All the chromosomal rearrangements were highlighted using GTG and/or RBG banding techniques. Chromosome painting experiments were also carried out to confirm the proposed hypotheses for the three reciprocal translocations.

journal_name

Hereditas

journal_title

Hereditas

authors

Pinton A,Ducos A,Berland H,Seguela A,Brun-Baronnat C,Darré A,Darré R,Schmitz A,Yerle M

doi

10.1111/j.1601-5223.2000.00055.x

subject

Has Abstract

pub_date

2000-01-01 00:00:00

pages

55-62

issue

1

eissn

0018-0661

issn

1601-5223

journal_volume

132

pub_type

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