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Table 4 Haplotypes analysis of ATF3 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 (220)

10,293 ± 73.81ab

344.45 ± 3.21Aa

3.36 ± 0.03

305.64 ± 2.34ABa

2.97 ± 0.01Aa

H1H2 (286)

10,256 ± 70.59abc

337.6 ± 3.1bc

3.31 ± 0.029

301.1 ± 2.25bc

2.94 ± 0.01Bb

H1H3 (184)

10,355 ± 77.21Aab

343.03 ± 3.34Aab

3.33 ± 0.032

305.97 ± 2.43Aa

2.96 ± 0.011ab

H1H4 (84)

10,406 ± 100.1Aa

340.62 ± 4.21abc

3.29 ± 0.041

305.61 ± 3.07ab

2.95 ± 0.014b

H2H2 (79)

10,165 ± 100.53bc

336.09 ± 4.22bc

3.32 ± 0.041

298.33 ± 3.08BCc

2.94 ± 0.014b

H2H3 (125)

10,119 ± 86.34Bc

332.39 ± 3.69Bc

3.3 ± 0.035

297.98 ± 2.69Cc

2.95 ± 0.012ab

P

0.0398*

0.0038**

0.3088

0.0019**

0.0334*

2

H1H1 (161)

10,740 ± 79.51Aab

389.62 ± 3.42Aa

3.64 ± 0.03

317.62 ± 2.49Ab

2.96 ± 0.011

H1H2 (195)

10,813 ± 76.98Aa

389.73 ± 3.34Aa

3.62 ± 0.03

322.02 ± 2.43Aab

2.98 ± 0.011

H1H3 (113)

10,625 ± 90.3b

390.54 ± 3.86Aa

3.68 ± 0.04

318.51 ± 2.81Aab

2.99 ± 0.013

H1H4 (56)

10,887 ± 116.86Aa

392.75 ± 4.86Aa

3.61 ± 0.05

325.59 ± 3.54Aa

2.99 ± 0.017

H2H2 (52)

10,293 ± 122.84Bc

369.21 ± 5.1Bb

3.6 ± 0.05

304.19 ± 3.72Bc

2.95 ± 0.017

H2H3 (84)

10,405 ± 99.79Bc

374.45 ± 4.2Bb

3.6 ± 0.04

308.09 ± 3.06Bc

2.96 ± 0.014

P

<.0001**

<.0001**

0.4721

<.0001**

0.0743

  1. H means haplotype; H1: AAGTTAGTGGAGAGGATGG, H2: AAACTAGTGGAGAGGCCTT, H3: GGACCGACCAGCGAACCTT, and H4: AAACTAGTGGGCGGGCCTT; * 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.