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 4.20
Milk (kg) -221.00 -0.014 3.09
Fat (kg) -0.15 -0.375 0.06
Prot (kg) -2.37 -0.441 1.05
Fertility Sub Index 3.18
Calving Interval (days) -1.57 -1.459 2.29
Survival (%) 0.80 1.117 0.89
Calving Sub Index -1.19
Gestation Length (days) 1.29 -0.919 -1.19
Beef Sub Index -6.19
Carcass Weight (kg) 6.30 -0.528 -3.32
Age of Slaughter (days) 6.65 -0.432 -2.87
Maintenance Sub Index Maint. Sub Index -2.76
Live WT (kg) 9.00 -0.307 -2.76
Total Carbon Sub Index -2.75

* Based on an €80/tonne carbon price