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 3.54
Milk (kg) -197.00 -0.014 2.76
Fat (kg) 2.50 -0.375 -0.94
Prot (kg) -3.90 -0.441 1.72
Fertility Sub Index 5.22
Calving Interval (days) -3.14 -1.459 4.58
Survival (%) 0.57 1.117 0.64
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 2.83
Carcass Weight (kg) -8.10 -0.528 4.27
Age of Slaughter (days) 3.34 -0.432 -1.44
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 18.72

* Based on an €80/tonne carbon price