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 7.09
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -7.80 -0.375 2.92
Prot (kg) -4.36 -0.441 1.92
Fertility Sub Index 5.60
Calving Interval (days) -2.85 -1.459 4.16
Survival (%) 1.29 1.117 1.44
Calving Sub Index -1.31
Gestation Length (days) 1.43 -0.919 -1.31
Beef Sub Index -2.60
Carcass Weight (kg) 4.10 -0.528 -2.16
Age of Slaughter (days) 1.01 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index -1.16
Live WT (kg) 3.80 -0.307 -1.16
Total Carbon Sub Index 7.61

* Based on an €80/tonne carbon price