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Table 3 Results of the univariable analyses assessing the association between the average daily gain during the 1st month of feeding (ADG1), the 2nd month of feeding (ADG2) and during whole the pre-weaning period (ADG tot), and potential covariates measured during the study

From: A randomised clinical trial of a metaphylactic treatment with tildipirosin for bovine respiratory disease in veal calves

  

ADG 1

ADG 2

ADG tot

Variables

 

LSM (lbs/d)

SEM

P-value

LSM (lbs/d)

SEM

P-value

LSM (lbs/d)

SEM

P-value

Treatment

PLAC

1.32

0.05

0.37

2.22

0.05

0.37

1.90

0.04

0.97

TILD

1.28

0.05

 

2.27

0.04

 

1.90

0.04

 

Sex

Female

1.42

0.13

0.33

2.19

0.12

0.68

1.91

0.10

0.95

Male

1.29

0.04

 

2.24

0.03

 

1.90

0.03

 

DEPTH D1

≥ 3 cm

1.39

0.28

0.71

2.55

0.26

0.25

2.13

0.23

0.35

< 3 cm

1.31

0.03

 

2.26

0.03

 

1.92

0.03

 

DEPTH D12

≥ 3 cm

1.17

0.10

0.25

2.30

0.09

0.58

1.89

0.08

0.78

< 3 cm

1.29

0.04

 

2.26

0.03

 

1.91

0.03

 

DEPTH D30

≥ 3 cm

1.28

0.07

0.93

2.34

0.06

0.13

1.97

0.05

0.17

< 3 cm

1.29

0.04

 

2.24

0.04

 

1.89

0.08

 

Total solids

≤ 52 g/l

1.29

0.05

0.95

2.25

0.04

0.98

1.91

0.04

0.83

>52 g/l

1.30

0.05

 

2.25

0.05

 

1.90

0.04

 

BRD treatments

0

NA

  

2.29

0.03

< 0.01

1.95

0.03

< 0.01

≥ 1

NA

  

1.85

0.15

 

1.42

0.22

 
  1. LSM Least Squares Means, SEM Standard Error of the Mean, DEPTH D1 maximal depth of lung consolidation found during thoracic ultrasonography at arrival, DEPTH D30 maximal depth of lung consolidation found during thoracic ultrasonography at day 30 after arrival. BRD treatments represent the proportion of calves treated for bovine respiratory disease by the producer during the feeding period. NA: not available. The breed (not presented here) was not significantly associated with ADG1 (P = 0.30) or ADG2 (P = 0.26).
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BMC Veterinary Research

ISSN: 1746-6148

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