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 7.61
Milk (kg) -214.00 -0.014 3.00
Fat (kg) -6.21 -0.375 2.33
Prot (kg) -5.19 -0.441 2.29
Fertility Sub Index 2.70
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) 0.13 1.117 0.15
Calving Sub Index 1.51
Gestation Length (days) -1.64 -0.919 1.51
Beef Sub Index 2.14
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 0.78 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 17.76

* Based on an €80/tonne carbon price