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Table 5 Haplotypes analysis of CDKN1A gene (LSM ± SE)

From: Determination of genetic effects of ATF3 and CDKN1A genes on milk yield and compositions in Chinese Holstein population

Lactation

Haplotype combination (No.)

Milk yield (kg)

Fat yield (kg)

Fat percentage (%)

Protein yield (kg)

Protein percentage (%)

1

H1H1 (175)

10,246 ± 78.7

337.02 ± 3.4

3.3 ± 0.032ab

301.01 ± 2.47

2.94 ± 0.011Bc

H1H2 (279)

10,190 ± 69.46

339.81 ± 3.04

3.35 ± 0.029a

302.54 ± 2.22

2.97 ± 0.009Aa

H1H3 (222)

10,179 ± 74.12

338.05 ± 3.22

3.33 ± 0.03ab

301.48 ± 2.35

2.97 ± 0.01ab

H2H2 (107)

10,250 ± 89.88

337.17 ± 3.81

3.3 ± 0.036ab

302.85 ± 2.78

2.96 ± 0.013abc

H2H3 (179)

10,140 ± 77.68

339.79 ± 3.35

3.36 ± 0.032Aa

298.23 ± 2.44

2.95 ± 0.011bc

H3H3 (75)

10,418 ± 100.99

336.31 ± 4.24

3.25 ± 0.041Bb

306.5 ± 3.09

2.95 ± 0.014abc

P

0.1065

0.8508

0.044*

0.0939

0.0351*

2

H1H1 (114)

10,555 ± 90.95Bc

378.57 ± 3.87Cc

3.59 ± 0.037

314.92 ± 2.82Bb

2.98 ± 0.013ABb

H1H2 (174)

10,623 ± 79.4Bc

387.32 ± 3.43BCb

3.65 ± 0.032

315.26 ± 2.5Bb

2.97 ± 0.011Bb

H1H3 (150)

11,061 ± 81.27Aa

399.1 ± 3.49Aa

3.62 ± 0.033

328.44 ± 2.54Aa

2.97 ± 0.011Bb

H2H2 (78)

10,722 ± 104.5Bbc

383.32 ± 4.39BCbc

3.58 ± 0.042

316.19 ± 3.2Bb

2.95 ± 0.015Bb

H2H3 (131)

10,717 ± 87.66Bbc

389.21 ± 3.74ABb

3.62 ± 0.036

317.87 ± 2.73Bb

2.96 ± 0.012Bb

H3H3 (53)

10,884 ± 120.25ab

388.23 ± 4.99b

3.58 ± 0.048

329.01 ± 3.64Aa

3.02 ± 0.017Aa

P

<.0001**

<.0001**

0.5127

<.0001**

0.0163*

  1. H means haplotype; H1: CCCTC, H2: CCTTC, H3: TGCCT, and H4: CCCCT; * indicates P < 0.05; ** indicates P < 0.01; a, b, c within the same column with different superscripts means P < 0.05; A, B, C within the same column with different superscripts means P < 0.01.