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 1.75
Milk (kg) 14.00 -0.014 -0.20
Fat (kg) -5.70 -0.375 2.13
Prot (kg) 0.43 -0.441 -0.19
Fertility Sub Index 4.75
Calving Interval (days) -2.28 -1.459 3.33
Survival (%) 1.27 1.117 1.42
Calving Sub Index -1.81
Gestation Length (days) 1.97 -0.919 -1.81
Beef Sub Index -2.27
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 4.40 -0.432 -1.90
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 6.50

* Based on an €80/tonne carbon price