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 4.30
Milk (kg) -186.00 -0.014 2.60
Fat (kg) -0.50 -0.375 0.19
Prot (kg) -3.41 -0.441 1.51
Fertility Sub Index 4.13
Calving Interval (days) -2.12 -1.459 3.09
Survival (%) 0.93 1.117 1.04
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.84
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 2.95 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 19.53

* Based on an €80/tonne carbon price