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 7.34
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -4.96 -0.375 1.86
Prot (kg) -7.47 -0.441 3.30
Fertility Sub Index 8.96
Calving Interval (days) -5.73 -1.459 8.36
Survival (%) 0.54 1.117 0.60
Calving Sub Index 1.76
Gestation Length (days) -1.92 -0.919 1.76
Beef Sub Index 2.39
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) 1.43 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 26.44

* Based on an €80/tonne carbon price