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 1.11
Milk (kg) -112.00 -0.014 1.57
Fat (kg) 1.27 -0.375 -0.48
Prot (kg) -0.04 -0.441 0.02
Fertility Sub Index -1.35
Calving Interval (days) 1.38 -1.459 -2.01
Survival (%) 0.59 1.117 0.66
Calving Sub Index 1.81
Gestation Length (days) -1.97 -0.919 1.81
Beef Sub Index 2.24
Carcass Weight (kg) -12.40 -0.528 6.54
Age of Slaughter (days) 9.96 -0.432 -4.30
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 9.78

* Based on an €80/tonne carbon price