Long-range linkage disequilibrium in French beef cattle breeds

Table 6 Number of LRLD events and random pairs of blocks with potential QTL interactions

Breed	Type of pairs of blocks	Number of pairs of blocks	Number of pairs of blocks with all QTL^a	P-value^b	Number of pairs of blocks with production-related QTL^c	P-value^b
Charolaise	LRLD	598	38	1.704e−09	5	0.101
Charolaise	Random	598	1		1
Blonde d’Aquitaine	LRLD	795	30	1.439e−09	9	0.002
Blonde d’Aquitaine	random	795	1		0
Limousine	LRLD	266	7	0.032	0	NA
Limousine	Random	266	1		0

^aNumber of pairs of blocks with QTL for the same phenotype in the two blocks (all QTL of the Cattle QTLdb)
^bP-value of a Chi² test between random pairs and LRLD pairs
^cNumber of pairs of blocks with QTL for the same phenotype in the two blocks (only QTL for production, carcass and meat quality traits

ISSN: 1297-9686