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 7.00
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -8.61 -0.375 3.22
Prot (kg) -4.97 -0.441 2.19
Fertility Sub Index 2.60
Calving Interval (days) -1.56 -1.459 2.28
Survival (%) 0.29 1.117 0.32
Calving Sub Index -1.45
Gestation Length (days) 1.58 -0.919 -1.45
Beef Sub Index -2.98
Carcass Weight (kg) 5.20 -0.528 -2.74
Age of Slaughter (days) 0.56 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index -1.53
Live WT (kg) 5.00 -0.307 -1.53
Total Carbon Sub Index 3.64

* Based on an €80/tonne carbon price