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 4.29
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -3.38 -0.375 1.27
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index -10.36
Calving Interval (days) 5.66 -1.459 -8.26
Survival (%) -1.88 1.117 -2.10
Calving Sub Index 0.85
Gestation Length (days) -0.93 -0.919 0.85
Beef Sub Index -1.04
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 4.00 -0.432 -1.73
Maintenance Sub Index Maint. Sub Index -2.24
Live WT (kg) 7.30 -0.307 -2.24
Total Carbon Sub Index -8.48

* Based on an €80/tonne carbon price