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Table 1 Developmental milestones

From: Socio-affective communication in Tph2-deficient rat pups: communal nesting aggravates growth retardation despite ameliorating maternal affiliation deficits

Develomental Milestones

Nesting

Genotype

P2

P4

P6

P8

P10

P12

P14

Body Length (cm)

SN

WT

5.26 ± 0.06

5.82 ± 0.07

6.35 ± 0.06

6.85 ± 0.08

7.16 ± 0.06

7.59 ± 0.07

8.02 ± 0.08

###,***,§§§

 

HET

5.34 ± 0.08

5.88 ± 0.07

6.39 ± 0.06

6.86 ± 0.08

7.21 ± 0.07

7.64 ± 0.08

8.06 ± 0.09

  

KO

5.40 ± 0.07

5.85 ± 0.07

6.16 ± 0.06

6.46 ± 0.07

6.63 ± 0.06

6.92 ± 0.10

7.25 ± 0.09

 

CN

WT

5.16 ± 0.06

5.82 ± 0.07

6.31 ± 0.06

6.80 ± 0.09

7.27 ± 0.08

7.58 ± 0.09

8.06 ± 0.08

  

HET

5.26 ± 0.07

5.83 ± 0.06

6.27 ± 0.04

6.88 ± 0.08

7.29 ± 0.07

7.58 ± 0.07

8.00 ± 0.05

  

KO

5.26 ± 0.06

5.64 ± 0.05

5.98 ± 0.04

6.24 ± 0.05

6.49 ± 0.06

6.71 ± 0.05

6.94 ± 0.05

Pinnae Detachment (n)

SN

WT

1.13 ± 0.26

2.00 ± 0.00

1.88 ± 0.09

2.00 ± 0.00

2.00 ± 0.00

2.00 ± 0.00

2.13 ± 0.09

###, + ,$$$

 

HET

0.61 ± 0.20

1.89 ± 0.08

1.78 ± 0.10

1.94 ± 0.06

2.00 ± 0.00

2.00 ± 0.00

2.28 ± 0.11

  

KO

0.84 ± 0.22

1.68 ± 0.11

1.68 ± 0.11

1.79 ± 0.10

2.00 ± 0.00

2.00 ± 0.00

2.05 ± 0.05

 

CN

WT

0.25 ± 0.18

2.00 ± 0.00

1.92 ± 0.08

2.00 ± 0.00

2.00 ± 0.00

2.00 ± 0.00

2.00 ± 0.00

  

HET

0.17 ± 0.11

1.92 ± 0.08

1.83 ± 0.11

2.00 ± 0.00

2.00 ± 0.00

2.00 ± 0.00

2.08 ± 0.08

  

KO

0.06 ± 0.06

1.88 ± 0.08

1.88 ± 0.08

1.94 ± 0.06

2.00 ± 0.00

2.00 ± 0.00

2.00 ± 0.00

Eye Opening (n)

SN

WT

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.19 ± 0.10

1.88 ± 0.09

###, ***, §§§

 

HET

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.06 ± 0.06

1.06 ± 0.06

1.11 ± 0.08

1.83 ± 0.09

  

KO

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.37 ± 0.11

 

CN

WT

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.83 ± 0.11

  

HET

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.92 ± 0.08

  

KO

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.00 ± 0.00

1.59 ± 0.12

Incisor Eruption (n)

SN

WT

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

0.19 ± 0.10

1.56 ± 0.20

2.00 ± 0.00

2.00 ± 0.00

###

 

HET

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

0.22 ± 0.13

1.39 ± 0.20

2.00 ± 0.00

2.00 ± 0.00

  

KO

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

0.32 ± 0.15

1.63 ± 0.16

2.00 ± 0.00

2.00 ± 0.00

 

CN

WT

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

0.17 ± 0.11

2.00 ± 0.00

2.00 ± 0.00

2.00 ± 0.00

  

HET

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

1.50 ± 0.23

2.00 ± 0.00

2.00 ± 0.00

  

KO

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

1.65 ± 0.19

2.00 ± 0.00

2.00 ± 0.00

Fur Development (n)

SN

WT

0.00 ± 0.00

0.34 ± 0.06

0.72 ± 0.10

1.47 ± 0.10

2.25 ± 0.11

2.81 ± 0.06

3.00 ± 0.00

###, $$$

 

HET

0.00 ± 0.00

0.39 ± 0.05

0.69 ± 0.09

1.56 ± 0.04

2.39 ± 0.09

2.94 ± 0.04

3.00 ± 0.00

  

KO

0.00 ± 0.00

0.45 ± 0.04

0.74 ± 0.10

1.55 ± 0.08

2.34 ± 0.08

2.76 ± 0.06

2.97 ± 0.03

 

CN

WT

0.04 ± 0.04

0.42 ± 0.06

0.92 ± 0.14

1.54 ± 0.04

2.50 ± 0.00

2.83 ± 0.07

3.00 ± 0.00

  

HET

0.00 ± 0.00

0.46 ± 0.04

1.00 ± 0.14

1.67 ± 0.07

2.55 ± 0.05

2.88 ± 0.07

3.00 ± 0.00

  

KO

0.00 ± 0.00

0.38 ± 0.05

0.88 ± 0.12

1.59 ± 0.07

2.35 ± 0.09

2.68 ± 0.06

2.97 ± 0.03

Milk Spot (n)

SN

WT

3.00 ± 0.00

2.81 ± 0.14

2.94 ± 0.06

2.50 ± 0.13

2.00 ± 0.20

0.69 ± 0.18

0.06 ± 0.06

###, §§§, $

 

HET

2.89 ± 0.11

2.94 ± 0.06

3.00 ± 0.00

2.72 ± 0.11

2.11 ± 0.16

0.67 ± 0.16

0.00 ± 0.00

  

KO

2.89 ± 0.11

2.79 ± 0.14

2.89 ± 0.07

2.58 ± 0.14

2.16 ± 0.19

1.21 ± 0.25

0.26 ± 0.13

 

CN

WT

3.00 ± 0.00

2.92 ± 0.08

2.83 ± 0.11

2.00 ± 0.37

1.25 ± 0.37

0.67 ± 0.14

0.00 ± 0.00

  

HET

3.00 ± 0.00

3.00 ± 0.00

3.00 ± 0.00

2.42 ± 0.34

1.58 ± 0.38

0.75 ± 0.18

0.00 ± 0.00

  

KO

2.94 ± 0.06

2.53 ± 0.21

2.76 ± 0.18

2.12 ± 0.24

2.35 ± 0.17

1.47 ± 0.26

0.24 ± 0.11

  1. Data are expressed as mean ± SEM. P = postnatal day. (n) = Semi-quantitative rating (0 = Absent, 1 = Uncertain, 2 = Present and 3 = Evident). Effect of age: ###p < .001. Effect of genotype: ***p < .001. Effect of nesting: + p < .05. Interaction age x genotype: §§§p < .001. Interaction age x nesting: $$$p < .001; $p < .05