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 18.16
Milk (kg) -414.00 -0.014 5.80
Fat (kg) -14.72 -0.375 5.51
Prot (kg) -15.52 -0.441 6.85
Fertility Sub Index 4.44
Calving Interval (days) -4.50 -1.459 6.57
Survival (%) -1.90 1.117 -2.12
Calving Sub Index -3.53
Gestation Length (days) 3.84 -0.919 -3.53
Beef Sub Index 2.05
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) -3.53 -0.432 1.52
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 23.43

* Based on an €80/tonne carbon price