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 17.40
Milk (kg) -400.00 -0.014 5.60
Fat (kg) -14.93 -0.375 5.59
Prot (kg) -14.06 -0.441 6.21
Fertility Sub Index 3.35
Calving Interval (days) -1.89 -1.459 2.76
Survival (%) 0.53 1.117 0.59
Calving Sub Index -2.05
Gestation Length (days) 2.23 -0.919 -2.05
Beef Sub Index -2.68
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) 0.23 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index -1.13
Live WT (kg) 3.70 -0.307 -1.13
Total Carbon Sub Index 14.88

* Based on an €80/tonne carbon price