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 6.84
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -5.76 -0.375 2.16
Prot (kg) -8.30 -0.441 3.66
Fertility Sub Index 1.10
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) 0.46 1.117 0.51
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index -1.74
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 4.63 -0.432 -2.00
Maintenance Sub Index Maint. Sub Index -0.46
Live WT (kg) 1.50 -0.307 -0.46
Total Carbon Sub Index 5.80

* Based on an €80/tonne carbon price