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 3.28
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -3.08 -0.375 1.15
Prot (kg) -1.58 -0.441 0.70
Fertility Sub Index 4.67
Calving Interval (days) -2.12 -1.459 3.09
Survival (%) 1.41 1.117 1.58
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index 1.29
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -3.36 -0.432 1.45
Maintenance Sub Index Maint. Sub Index -1.16
Live WT (kg) 3.80 -0.307 -1.16
Total Carbon Sub Index 7.78

* Based on an €80/tonne carbon price