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 7.64
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -5.59 -0.375 2.09
Prot (kg) -8.66 -0.441 3.82
Fertility Sub Index 4.20
Calving Interval (days) -2.46 -1.459 3.59
Survival (%) 0.55 1.117 0.61
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index 0.10
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.47 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 16.34

* Based on an €80/tonne carbon price