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 -2.40
Milk (kg) -9.00 -0.014 0.13
Fat (kg) 9.48 -0.375 -3.55
Prot (kg) -2.32 -0.441 1.02
Fertility Sub Index -2.88
Calving Interval (days) 1.14 -1.459 -1.66
Survival (%) -1.09 1.117 -1.22
Calving Sub Index 0.01
Gestation Length (days) -0.01 -0.919 0.01
Beef Sub Index -0.84
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 4.38 -0.432 -1.89
Maintenance Sub Index Maint. Sub Index -0.21
Live WT (kg) 0.70 -0.307 -0.21
Total Carbon Sub Index -6.32

* Based on an €80/tonne carbon price