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Table 1 Adjusted mean values of phenotypes and their estimates of heterosis

From: The mRNA-lncRNA landscape of multiple tissues uncovers key regulators and molecular pathways that underlie heterosis for feed intake and efficiency in laying chickens

Traits

Adjusted value (Mean ± SE)

Heterosis

WL

WY

YW

YY

WY

YW

RFI, g/d

1.77 ± 0.72

− 3.14 ± 0.75

3.72 ± 0.84

− 2.26 ± 0.62

1181.63%*

− 1618.37%*

DFC, g/d

100.27 ± 1.00

94.87 ± 0.98

103.28 ± 1.10

90.77 ± 0.91

− 0.68% ns

8.12%**

FCR, g/g

2.67 ± 0.37

2.06 ± 0.04

2.94 ± 0.33

3.33 ± 0.38

− 31.33%*

− 2.00%ns

DEM, g/d

52.90 ± 0.91

47.80 ± 0.58

45.45 ± 0.69

36.77 ± 0.58

6.61%**

1.37%ns

  1. RFI residual feed intake, DFC daily feed consumption, FCR feed conversion ratio, DEM daily egg mass, WL White Leghorn chicken, YY Beijing You chicken, WY and YW reciprocal crosses, respectively
  2. ns not significant (P ≥ 0.05)
  3. SE standard error
  4. *P < 0.01.
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Genetics Selection Evolution

ISSN: 1297-9686