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 3.48
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -1.97 -0.375 0.74
Prot (kg) -2.94 -0.441 1.30
Fertility Sub Index 6.21
Calving Interval (days) -3.04 -1.459 4.44
Survival (%) 1.59 1.117 1.78
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.15
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -1.69 -0.432 0.73
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 21.93

* Based on an €80/tonne carbon price