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 15.03
Milk (kg) -307.00 -0.014 4.30
Fat (kg) -14.11 -0.375 5.29
Prot (kg) -12.35 -0.441 5.45
Fertility Sub Index 4.09
Calving Interval (days) -2.32 -1.459 3.38
Survival (%) 0.63 1.117 0.70
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index 3.47
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) -3.03 -0.432 1.31
Maintenance Sub Index Maint. Sub Index 7.73
Live WT (kg) -25.20 -0.307 7.73
Total Carbon Sub Index 29.93

* Based on an €80/tonne carbon price