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 19.05
Milk (kg) -338.00 -0.014 4.73
Fat (kg) -24.71 -0.375 9.26
Prot (kg) -11.46 -0.441 5.06
Fertility Sub Index 5.05
Calving Interval (days) -2.47 -1.459 3.60
Survival (%) 1.29 1.117 1.44
Calving Sub Index -2.09
Gestation Length (days) 2.27 -0.919 -2.09
Beef Sub Index -2.63
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 6.59 -0.432 -2.84
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 22.74

* Based on an €80/tonne carbon price