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 7.77
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -8.89 -0.375 3.33
Prot (kg) -5.14 -0.441 2.27
Fertility Sub Index 4.58
Calving Interval (days) -2.09 -1.459 3.05
Survival (%) 1.37 1.117 1.53
Calving Sub Index -1.07
Gestation Length (days) 1.16 -0.919 -1.07
Beef Sub Index -4.06
Carcass Weight (kg) 2.10 -0.528 -1.11
Age of Slaughter (days) 6.85 -0.432 -2.96
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 10.20

* Based on an €80/tonne carbon price