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Table 2 Baseline comparison of groups at cow level

From: Comparison of the effect of a CIDR-Select Synch versus a long-term CIDR based AI protocol on reproductive performance in multiparous dairy cows in Swiss dairy farms

 

CIDR-Select Synch

CIDR12

p-value

Indication for CIDR

  

0.677

Acyclic

71.4%

72%

 

Neg. preg. check

22.9%

24%

 

No AI

5.7%

4%

 

Breed

  

0.364

Brown Swiss

40.9%

38.2%

 

Holstein Friesian

24%

20.7%

 

Red Holstein & crossbreds

35.1%

41%

 

Studbook

  

0.341

Yes

79.5%

82.8%

 

No

20.5%

17.2%

 

Type of stall

  

0.542

Freestall

39.5%

36.9%

 

Tiestall

60.5%

63.1%

 

Pasture

  

0.285

Yes

91.9%

94.3%

 

No

8.1%

5.7%

 

Farmer's business

  

0.736

Regular

95.7%

95.1%

 

Sideline

4.3%

4.9%

 

Uterine treatment

  

0.275

Yes

13.4%

10.2%

 

No

86.6%

89.8%

 

Gynecological treatment

  

0.174

Yes

10.3%

6.9%

 

No

89.7%

93.1%

 

Insemination

  

0.733

Blind

78.7%

77.3%

 

Checked

21.3%

22.7%

 

Progesterone value

  

0.223

< 0.5 ng/ml

44.3%

39.4%

 

0.5-1 ng/ml

14.9%

12.2%

 

> 1 ng/ml

40.8%

48.4%

 
  1. No significant differences were found between the two treatments for the parameters listed (percental distribution).