Association of Insulin-like growth factor binding protein 2 genotypes with growth, carcass and meat quality traits in pigs

Prasongsook, Sombat; Choi, Igseo; Bates, Ronald O.; Raney, Nancy E.; Ernst, Catherine W.; Tumwasorn, Sornthep

doi:10.1186/s40781-015-0063-3

Journal of Animal Science and Technology

Table 2 Least square means and standard errors for growth traits measured in the MSU pig resource population and the Duroc pig population

From: Association of Insulin-like growth factor binding protein 2 genotypes with growth, carcass and meat quality traits in pigs

Traits	Number	Genotypes
Traits	Number	AA	AB	BB
MSU resource population
Birth weight, kg	408	1.50 ± 0.10	1.56 ± 0.04	1.57 ± 0.04
Weaning weight, kg	408	5.31 ± 0.31	5.59 ± 0.16	5.51 ± 0.16
Body weight 6 wk, kg	408	10.83 ± 0.70	11.50 ± 0.48	11.31 ± 0.48
Body weight 10 wk, kg	408	24.59 ± 1.40	25.89 ± 1.05	25.61 ± 1.05
Body weight 13 wk, kg	408	39.88 ± 1.69	41.31 ± 1.10	40.56 ± 1.10
Body weight 16 wk, kg	408	61.27 ± 2.04	61.83 ± 1.10	61.10 ± 1.09
Body weight 19 wk, kg	408	80.46 ± 2.43	80.96 ± 1.42	79.97 ± 1.42
Body weight 22 wk, kg	408	101.95 ± 2.76	100.51 ± 1.24	99.96 ± 1.22
BF10 10 wk, mm	408	7.61 ± 0.44^ab	8.04 ± 0.19^a	7.66 ± 0.19^b
BF10 13 wk, mm	408	9.15 ± 0.72^ab	10.00 ± 0.47^a	9.45 ± 0.47^b
BF10 16 wk, mm	408	12.21 ± 0.90^ab	12.85 ± 0.52^a	12.24 ± 0.52^b
BF10 19 wk, mm	408	16.23 ± 1.27^ab	16.63 ± 0.74^a	15.62 ± 0.73^b
BF10 22 wk, mm	408	20.50 ± 1.53	20.18 ± 0.80	19.57 ± 0.79
LMA 10 wk, cm²	408	10.08 ± 0.72	11.04 ± 0.53	10.99 ± 0.53
LMA 13 wk, cm²	408	15.67 ± 0.90	16.40 ± 0.60	16.22 ± 0.60
LMA 16 wk, cm²	408	23.34 ± 0.99	24.01 ± 0.53	24.17 ± 0.52
LMA 19 wk, cm²	408	29.60 ± 1.16	30.92 ± 0.55	30.86 ± 0.54
LMA 22 wk, cm²	408	35.26 ± 1.25	36.60 ± 0.60	36.89 ± 0.59
LRF 10 wk, mm	408	6.14 ± 0.29^ab	6.19 ± 0.12^a	5.94 ± 0.12^b
LRF 13 wk, mm	408	7.15 ± 0.38^ab	7.28 ± 0.16^a	6.88 ± 0.16^b
LRF 16 wk, mm	408	9.54 ± 0.59^ab	9.67 ± 0.27^a	9.06 ± 0.27^b
LRF 19 wk, mm	408	12.41 ± 0.89^ab	12.16 ± 0.49^a	11.32 ± 0.48^b
LRF 22 wk, mm	408	14.36 ± 1.07	14.79 ± 0.50	14.22 ± 0.50
ADG 10 to 22 wk, g/day	408	939.37 ± 26.38^a	891.86 ± 13.22^b	888.92 ± 13.13^b
Days to 105 kg, day	408	148.95 ± 3.56^a	155.41 ± 2.14^b	157.63 ± 2.01^c
Duroc pig population
BF10, mm	277	13.89 ± 0.47	13.47 ± 0.25	13.53 ± 0.27
LMA, cm²	277	47.04 ± 0.75^ab	47.75 ± 0.40^a	46.40 ± 0.43^b
Days to 105 kg, day	277	165.57 ± 2.20	167.02 ± 1.14	165.84 ± 1.23

^{a, b,c} Least square means within the same row with different superscripts differ (P < 0.05)

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