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 5.57
Milk (kg) -215.00 -0.014 3.01
Fat (kg) -2.59 -0.375 0.97
Prot (kg) -3.60 -0.441 1.59
Fertility Sub Index -4.57
Calving Interval (days) 2.84 -1.459 -4.14
Survival (%) -0.38 1.117 -0.42
Calving Sub Index -1.35
Gestation Length (days) 1.47 -0.919 -1.35
Beef Sub Index 2.11
Carcass Weight (kg) -6.70 -0.528 3.53
Age of Slaughter (days) 3.30 -0.432 -1.42
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 6.36

* Based on an €80/tonne carbon price