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 6.32
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -5.66 -0.375 2.12
Prot (kg) -6.85 -0.441 3.02
Fertility Sub Index 10.31
Calving Interval (days) -5.49 -1.459 8.01
Survival (%) 2.06 1.117 2.30
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 4.76
Carcass Weight (kg) -7.80 -0.528 4.11
Age of Slaughter (days) -1.50 -0.432 0.65
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 24.58

* Based on an €80/tonne carbon price