Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index -4.33
Milk (kg) 56.00 -0.014 -0.78
Fat (kg) 6.63 -0.375 -2.48
Prot (kg) 2.40 -0.441 -1.06
Fertility Sub Index -4.09
Calving Interval (days) 2.06 -1.459 -3.01
Survival (%) -0.97 1.117 -1.08
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.03
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) -0.43 -0.432 0.19
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index -7.26

* Based on an €80/tonne carbon price