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 10.51
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -11.64 -0.375 4.36
Prot (kg) -8.55 -0.441 3.77
Fertility Sub Index 6.43
Calving Interval (days) -2.95 -1.459 4.30
Survival (%) 1.90 1.117 2.12
Calving Sub Index -1.47
Gestation Length (days) 1.60 -0.919 -1.47
Beef Sub Index -2.57
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 6.93 -0.432 -2.99
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 18.36

* Based on an €80/tonne carbon price