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 8.51
Milk (kg) -288.00 -0.014 4.03
Fat (kg) -6.69 -0.375 2.51
Prot (kg) -4.46 -0.441 1.97
Fertility Sub Index -0.48
Calving Interval (days) -0.48 -1.459 0.70
Survival (%) -1.06 1.117 -1.18
Calving Sub Index 0.26
Gestation Length (days) -0.28 -0.919 0.26
Beef Sub Index 2.82
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -3.12 -0.432 1.35
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 12.02

* Based on an €80/tonne carbon price