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Table 1 Distribution of pig data on growth performance across trials and batches

From: Genetic parameters and expected responses to selection for components of feed efficiency in a Duroc pig line

Trial

Batch 1

Batch 2

Batch 3

Batch 4

1

Month of birth

Sept-2003

March-2004

Oct-2004

May-2005

 

Number of animals

88

94

68

58

 

Range of age (days)

96–188

95–167

102–173

82–181

 

Mean number of weights/animal

6.5

5.9

5.6

6.4

2

Month of birth

Sept-2006

Oct-2007

June-2008

 
 

Number of animals

107

97

106

 
 

Range of age (days)

69–188

85–190

62–174

 
 

Mean number of weights/animal

6.0

6.0

5.9

 

3

Month of birth

May-2011

   
 

Number of animals

102

   
 

Range of age (days)

68–186

   
 

Mean number of weights/animal

4

   

4

Month of birth

Jan-2012

June-2012

Dec-2012

 
 

Number of animals

115

120

121

 
 

Range of age (days)

72–174

79–165

75–160

 
 

Mean number of weights/animal

10.8

9.9

8.9