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 1.70
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) -4.00 -0.375 1.50
Prot (kg) -0.52 -0.441 0.23
Fertility Sub Index 2.41
Calving Interval (days) -1.24 -1.459 1.81
Survival (%) 0.54 1.117 0.60
Calving Sub Index -1.50
Gestation Length (days) 1.63 -0.919 -1.50
Beef Sub Index -3.28
Carcass Weight (kg) 5.40 -0.528 -2.85
Age of Slaughter (days) 1.00 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index -3.43
Live WT (kg) 11.20 -0.307 -3.43
Total Carbon Sub Index -4.10

* Based on an €80/tonne carbon price