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 -5.96
Milk (kg) 53.00 -0.014 -0.74
Fat (kg) 8.71 -0.375 -3.26
Prot (kg) 4.43 -0.441 -1.96
Fertility Sub Index -7.10
Calving Interval (days) 3.80 -1.459 -5.54
Survival (%) -1.39 1.117 -1.55
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index 0.02
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index -3.43
Live WT (kg) 11.20 -0.307 -3.43
Total Carbon Sub Index -15.86

* Based on an €80/tonne carbon price