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 2.00
Milk (kg) 38.00 -0.014 -0.53
Fat (kg) -1.39 -0.375 0.52
Prot (kg) -4.56 -0.441 2.01
Fertility Sub Index 4.07
Calving Interval (days) -2.52 -1.459 3.68
Survival (%) 0.35 1.117 0.39
Calving Sub Index 0.22
Gestation Length (days) -0.24 -0.919 0.22
Beef Sub Index -4.76
Carcass Weight (kg) 6.40 -0.528 -3.38
Age of Slaughter (days) 3.21 -0.432 -1.39
Maintenance Sub Index Maint. Sub Index -2.51
Live WT (kg) 8.20 -0.307 -2.51
Total Carbon Sub Index -0.99

* Based on an €80/tonne carbon price