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 14.58
Milk (kg) -318.00 -0.014 4.45
Fat (kg) -14.01 -0.375 5.25
Prot (kg) -11.05 -0.441 4.88
Fertility Sub Index 8.13
Calving Interval (days) -4.44 -1.459 6.48
Survival (%) 1.48 1.117 1.65
Calving Sub Index -2.37
Gestation Length (days) 2.58 -0.919 -2.37
Beef Sub Index -1.65
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 1.99 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 21.81

* Based on an €80/tonne carbon price