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 2.34
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -0.63 -0.375 0.24
Prot (kg) -2.46 -0.441 1.09
Fertility Sub Index -3.46
Calving Interval (days) 2.74 -1.459 -4.00
Survival (%) 0.48 1.117 0.54
Calving Sub Index -0.34
Gestation Length (days) 0.37 -0.919 -0.34
Beef Sub Index 4.12
Carcass Weight (kg) -8.80 -0.528 4.64
Age of Slaughter (days) 1.20 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 4.94

* Based on an €80/tonne carbon price