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 6.77
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -6.94 -0.375 2.60
Prot (kg) -5.43 -0.441 2.40
Fertility Sub Index 4.03
Calving Interval (days) -1.97 -1.459 2.87
Survival (%) 1.03 1.117 1.15
Calving Sub Index -0.87
Gestation Length (days) 0.95 -0.919 -0.87
Beef Sub Index -1.65
Carcass Weight (kg) 4.70 -0.528 -2.48
Age of Slaughter (days) -1.91 -0.432 0.82
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 9.62

* Based on an €80/tonne carbon price