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 -5.67
Milk (kg) 159.00 -0.014 -2.23
Fat (kg) 1.28 -0.375 -0.48
Prot (kg) 6.72 -0.441 -2.97
Fertility Sub Index 7.19
Calving Interval (days) -3.48 -1.459 5.08
Survival (%) 1.89 1.117 2.11
Calving Sub Index -1.37
Gestation Length (days) 1.49 -0.919 -1.37
Beef Sub Index -8.33
Carcass Weight (kg) 17.60 -0.528 -9.28
Age of Slaughter (days) -2.22 -0.432 0.96
Maintenance Sub Index Maint. Sub Index -9.99
Live WT (kg) 32.60 -0.307 -9.99
Total Carbon Sub Index -18.18

* Based on an €80/tonne carbon price