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 10.20
Milk (kg) -189.00 -0.014 2.65
Fat (kg) -10.29 -0.375 3.85
Prot (kg) -8.38 -0.441 3.70
Fertility Sub Index 7.29
Calving Interval (days) -5.21 -1.459 7.60
Survival (%) -0.28 1.117 -0.31
Calving Sub Index -0.26
Gestation Length (days) 0.28 -0.919 -0.26
Beef Sub Index -1.58
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 2.57 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 18.10

* Based on an €80/tonne carbon price