View Full Table | Close Full ViewTable 1.

Genotypic distribution and allelic frequencies of 4 SNP of the Mef2B gene in 4 cattle breeds

 
Breed
SNP Detection method Genotype/allele HF (278)a HER (35) PR (35) LIM (27)
g.909A>G (promoter) RFLP/AflIII GG
AG
AA
G
A
Χ2 (P-value)
0.202 (58)
0.526 (151)
0.276 (78)
0.465
0.535
0.95 (0.330)
0.314 (11)
0.629 (21)
0.057 (3)
0.629
0.371
4.19 (0.040)*
0.286 (10)
0.543 (19)
0.171 (6)
0.557
0.443
0.35 (0.553)
0.259 (7)
0.407 (11)
0.333 (9)
0.463
0.537
0.88 (0.347)
g.3867C>T (exon 7) MSSCP/sequencing CC
CT
TT
C
T
Χ2 (P-value)
0.693 (199)
0.265 (76)
0.042 (12)
0.826
0.174
1.80 (0.177)
0.629 (12)
0.343 (22)
0.029 (1)
0.657
0.343
5.46 (0.019)**
0.286 (10)
0.657 (21)
0.057 (4)
0.614
0.386
5.23 (0.022)*
0.444 (12)
0.556 (15)
0.000 (0)
0.722
0.278
3.99 (0.045)*
g.4359G>C (exon 8) RFLP/BfaI CC
GC
GG
C
T
Χ2 (P-value)
0.329 (132)
0.461 (98)
0.209 (65)
0.560
0.440
1.64 (0.200)
0.556 (20)
0.333 (12)
0.111 (4)
0.722
0.278
1.03 (0.309)
0.368 (7)
0.526 (10)
0.105 (2)
0.632
0.368
0.33 (0.568)
0.375 (6)
0.563 (9)
0.063 (1)
0.656
0.344
1.03 (0.309)
g.4546G>A (3’UTR) MSSCP/sequencing GG
GA
AA
G
A
Χ2 (P-value)
0.353 (98)
0.514 (143)
0.133 (37)
0.610
0.390
1.82 (0.177)
0.314 (11)
0.600 (21)
0.086 (3)
0.386
0.614
2.48 (0.115)
0.543 (19)
0.286 (10)
0.171 (6)
0.686
0.314
3.98 (0.046)*
0.259 (9)
0.407 (15)
0.333 (3)
0.611
0.389
0.77 (0.380)
aIn brackets, number of animals; HF, Polish Holstein Friesian; HER, Hereford; CH, Charolaise; PR, Polish Red; LIM, Limousine; *P < 0.05, **P < 0.01.



View Full Table | Close Full ViewTable 2.

Association between SNP JX065116:g.4546G>A in the 3’UTR of Mef2B gene and carcass quality traits of 12-month-old Polish Holstein-Friesian (HF) bulls

 
Genotype
Traits AA (n = 37) GA (n = 143) GG (n = 98) P-value
CDP (%) 52.4 ± 0.91 52.2 ± 0.3 51.8 ± 0.6 ns
WVC (kg) 59.4 ± 0.2 59.2 ± 0.6 59.0 ± 0.4 ns
WLVC (kg) 41.6a ± 0.3 41.5 ± 0.7 40.6a ± 0.3 P = 0.040
WFVC (kg) 6.0a ± 0.1 6.2b ± 0.1 6.7ab ± 0.2 aP = 0.049; bP = 0.044
PLVC (%) 68.7 ± 1.3 68.4 ± 0.5 67.2 ± 0.9 ns
PFVC (%) 11.0 ± 1.3 11.7 ± 0.7 12.5 ± 1.3 ns
a,bSignificant differences between the genotypes are indicates with superscript lowercase letters.
1Least squares means ± SE; n, number of animals; ns, non-significant; CDP (%), carcass dressing percentage cold; WVC (kg), weight of valuable cut; WLVC (kg), weight of lean in valuable cuts; WFVC (kg), weight of fat in valuable cuts; PLVC (%), percentage of lean in valuable cuts; PFVC (%), percentage of fat in valuable cuts.