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 3.98
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -3.30 -0.375 1.24
Prot (kg) -4.50 -0.441 1.99
Fertility Sub Index -6.96
Calving Interval (days) 3.26 -1.459 -4.76
Survival (%) -1.97 1.117 -2.20
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index -1.23
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 2.35 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index -2.40

* Based on an €80/tonne carbon price