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 3.22
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -2.62 -0.375 0.98
Prot (kg) -2.27 -0.441 1.00
Fertility Sub Index 5.97
Calving Interval (days) -3.42 -1.459 4.99
Survival (%) 0.88 1.117 0.98
Calving Sub Index 1.13
Gestation Length (days) -1.23 -0.919 1.13
Beef Sub Index 2.58
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) -3.54 -0.432 1.53
Maintenance Sub Index Maint. Sub Index 5.33
Live WT (kg) -17.40 -0.307 5.33
Total Carbon Sub Index 18.23

* Based on an €80/tonne carbon price