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 11.92
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -14.84 -0.375 5.56
Prot (kg) -9.40 -0.441 4.15
Fertility Sub Index 5.00
Calving Interval (days) -3.09 -1.459 4.51
Survival (%) 0.44 1.117 0.49
Calving Sub Index -1.31
Gestation Length (days) 1.43 -0.919 -1.31
Beef Sub Index -3.26
Carcass Weight (kg) 6.20 -0.528 -3.27
Age of Slaughter (days) -0.03 -0.432 0.01
Maintenance Sub Index Maint. Sub Index -0.80
Live WT (kg) 2.60 -0.307 -0.80
Total Carbon Sub Index 11.55

* Based on an €80/tonne carbon price