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 5.40
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -4.78 -0.375 1.79
Prot (kg) -3.98 -0.441 1.76
Fertility Sub Index 2.43
Calving Interval (days) -0.99 -1.459 1.44
Survival (%) 0.88 1.117 0.98
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.34
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) -0.77 -0.432 0.33
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 19.81

* Based on an €80/tonne carbon price