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 6.26
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -10.01 -0.375 3.75
Prot (kg) -3.09 -0.441 1.36
Fertility Sub Index 7.16
Calving Interval (days) -4.84 -1.459 7.06
Survival (%) 0.09 1.117 0.10
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.61
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 1.41 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 23.86

* Based on an €80/tonne carbon price