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 18.83
Milk (kg) -441.00 -0.014 6.17
Fat (kg) -16.43 -0.375 6.15
Prot (kg) -14.73 -0.441 6.50
Fertility Sub Index 6.12
Calving Interval (days) -4.38 -1.459 6.39
Survival (%) -0.24 1.117 -0.27
Calving Sub Index 1.29
Gestation Length (days) -1.40 -0.919 1.29
Beef Sub Index 3.48
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) -2.45 -0.432 1.06
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 31.19

* Based on an €80/tonne carbon price