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 -5.63
Milk (kg) 54.00 -0.014 -0.76
Fat (kg) 7.00 -0.375 -2.62
Prot (kg) 5.11 -0.441 -2.26
Fertility Sub Index -0.76
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) -0.65 1.117 -0.73
Calving Sub Index 2.62
Gestation Length (days) -2.85 -0.919 2.62
Beef Sub Index -0.28
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.71 -0.432 -1.60
Maintenance Sub Index Maint. Sub Index -3.07
Live WT (kg) 10.00 -0.307 -3.07
Total Carbon Sub Index -7.12

* Based on an €80/tonne carbon price