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 3.85
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -1.80 -0.375 0.67
Prot (kg) -3.59 -0.441 1.58
Fertility Sub Index 5.80
Calving Interval (days) -2.94 -1.459 4.29
Survival (%) 1.35 1.117 1.51
Calving Sub Index 0.19
Gestation Length (days) -0.21 -0.919 0.19
Beef Sub Index 0.17
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.42 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 12.62

* Based on an €80/tonne carbon price