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 0.86
Milk (kg) -13.00 -0.014 0.18
Fat (kg) -1.42 -0.375 0.53
Prot (kg) -0.34 -0.441 0.15
Fertility Sub Index 5.56
Calving Interval (days) -2.48 -1.459 3.62
Survival (%) 1.74 1.117 1.94
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.45
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.15 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 3.46
Live WT (kg) -11.30 -0.307 3.46
Total Carbon Sub Index 14.15

* Based on an €80/tonne carbon price