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 1.67
Milk (kg) 41.00 -0.014 -0.57
Fat (kg) -1.95 -0.375 0.73
Prot (kg) -3.42 -0.441 1.51
Fertility Sub Index -1.11
Calving Interval (days) 1.03 -1.459 -1.50
Survival (%) 0.35 1.117 0.39
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index -1.42
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 6.95 -0.432 -3.00
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 0.47

* Based on an €80/tonne carbon price