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 8.04
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -10.58 -0.375 3.96
Prot (kg) -5.96 -0.441 2.63
Fertility Sub Index 9.58
Calving Interval (days) -4.98 -1.459 7.27
Survival (%) 2.07 1.117 2.31
Calving Sub Index 0.08
Gestation Length (days) -0.09 -0.919 0.08
Beef Sub Index 6.64
Carcass Weight (kg) -10.60 -0.528 5.59
Age of Slaughter (days) -2.44 -0.432 1.05
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 27.77

* Based on an €80/tonne carbon price