Skip to main content

Table 6 Distribution of records for body weight traits in different inbreeding classes of animals grouped by the sex of lamb and born between 1994 and 2011

From: Population genetic structure analysis and effect of inbreeding on body weights at different ages in Iranian Mehraban sheep

lamb sex

Inbreeding class

 

Traits (kg)

        

BW

 

WW

 

6 MW

 

9 MW

 

YW

 
  

N

Mean ± SE

N

Mean ± SE

N

Mean ± SE

N

Mean ± SE

N

Mean ± SE

 

F= 0

730

3.96 ± 0.51a

373

22.48 ± 4.69a

152

35.30 ± 8.37a

19

40.64 ± 9.72b

12

50.20 ± 0.01a

Male

0< F<0.05

4264

3.77 ± 0.82a

2996

22.28 ± 4.16a

2265

36.81 ± 6.12a

1556

46.05 ± 6.43a

1042

53.16 ± 6.48a

 

F ≥ 0.05

12

3.43 ± 1.05b

6

22.77 ± 2.30a

7

36.90 ± 5.67a

7

46.80 ± 3.14a

6

53.77 ± 3.66a

 

F= 0

806

3.81 ± 0.46a

429

22.45 ± 4.63a

196

34.09 ± 7.26b

14

36.80 ± 0.83c

-

-

Female

0< F<0.05

4438

3.54 ± 0.76a

2917

21.95 ± 4.26a

2238

35.66 ± 5.69b

1539

44.97 ± 6.32b

956

52.17 ± 6.99b

 

F ≥ 0.05

7

3.13 ± 0.76b

4

18.38 ± 2.68b

4

38.50 ± 1.00a

4

49.98 ± 0.82a

3

58.53 ± 0.47a

  1. a,b,cMeans with similar letters in each sub class within a column do not differ significantly at P<0.05. BW: birth weight, WW: 3-month weight, 6 MW: 6-month weight, 9 MW: 9-month weight, YW: yearling weight. F: inbreeding coefficient. SE: standard error.