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 5.12
Milk (kg) -245.00 -0.014 3.43
Fat (kg) -1.84 -0.375 0.69
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index 3.94
Calving Interval (days) -1.96 -1.459 2.86
Survival (%) 0.97 1.117 1.08
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.58
Carcass Weight (kg) -9.90 -0.528 5.22
Age of Slaughter (days) 6.13 -0.432 -2.65
Maintenance Sub Index Maint. Sub Index 8.86
Live WT (kg) -28.90 -0.307 8.86
Total Carbon Sub Index 23.28

* Based on an €80/tonne carbon price