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 10.08
Milk (kg) -355.00 -0.014 4.97
Fat (kg) -0.52 -0.375 0.19
Prot (kg) -11.14 -0.441 4.92
Fertility Sub Index 6.41
Calving Interval (days) -4.43 -1.459 6.46
Survival (%) -0.05 1.117 -0.06
Calving Sub Index 1.28
Gestation Length (days) -1.39 -0.919 1.28
Beef Sub Index 2.01
Carcass Weight (kg) -5.80 -0.528 3.06
Age of Slaughter (days) 2.43 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 25.17

* Based on an €80/tonne carbon price