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 19.55
Milk (kg) -468.00 -0.014 6.55
Fat (kg) -16.43 -0.375 6.15
Prot (kg) -15.50 -0.441 6.84
Fertility Sub Index 6.37
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 2.11 1.117 2.36
Calving Sub Index -1.45
Gestation Length (days) 1.58 -0.919 -1.45
Beef Sub Index -2.67
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 8.02 -0.432 -3.46
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 27.65

* Based on an €80/tonne carbon price