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 1.86
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -1.53 -0.375 0.57
Prot (kg) -1.64 -0.441 0.72
Fertility Sub Index 6.45
Calving Interval (days) -3.15 -1.459 4.60
Survival (%) 1.66 1.117 1.85
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.53
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -2.20 -0.432 0.95
Maintenance Sub Index Maint. Sub Index 6.35
Live WT (kg) -20.70 -0.307 6.35
Total Carbon Sub Index 20.99

* Based on an €80/tonne carbon price