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 17.53
Milk (kg) -314.00 -0.014 4.40
Fat (kg) -16.79 -0.375 6.29
Prot (kg) -15.51 -0.441 6.85
Fertility Sub Index 8.87
Calving Interval (days) -5.41 -1.459 7.89
Survival (%) 0.87 1.117 0.97
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index 1.64
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 3.46
Live WT (kg) -11.30 -0.307 3.46
Total Carbon Sub Index 31.48

* Based on an €80/tonne carbon price