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 5.16
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -6.49 -0.375 2.43
Prot (kg) -2.34 -0.441 1.03
Fertility Sub Index 3.53
Calving Interval (days) -1.51 -1.459 2.20
Survival (%) 1.19 1.117 1.33
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.38
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.69 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 4.20
Live WT (kg) -13.70 -0.307 4.20
Total Carbon Sub Index 17.07

* Based on an €80/tonne carbon price