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 10.07
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -19.10 -0.375 7.15
Prot (kg) -2.24 -0.441 0.99
Fertility Sub Index 8.33
Calving Interval (days) -4.61 -1.459 6.73
Survival (%) 1.44 1.117 1.61
Calving Sub Index 1.04
Gestation Length (days) -1.13 -0.919 1.04
Beef Sub Index 1.19
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.41 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 24.51

* Based on an €80/tonne carbon price