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 13.75
Milk (kg) -296.00 -0.014 4.14
Fat (kg) -13.50 -0.375 5.06
Prot (kg) -10.31 -0.441 4.55
Fertility Sub Index 5.90
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) 1.62 1.117 1.81
Calving Sub Index -1.66
Gestation Length (days) 1.81 -0.919 -1.66
Beef Sub Index -1.30
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 6.67 -0.432 -2.88
Maintenance Sub Index Maint. Sub Index 6.77
Live WT (kg) -22.10 -0.307 6.77
Total Carbon Sub Index 23.46

* Based on an €80/tonne carbon price