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 8.56
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -7.97 -0.375 2.99
Prot (kg) -7.43 -0.441 3.28
Fertility Sub Index 4.46
Calving Interval (days) -2.32 -1.459 3.38
Survival (%) 0.96 1.117 1.07
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.87
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.92 -0.432 0.40
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 24.46

* Based on an €80/tonne carbon price