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 2.64
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -3.55 -0.375 1.33
Prot (kg) -0.58 -0.441 0.26
Fertility Sub Index 6.19
Calving Interval (days) -2.82 -1.459 4.11
Survival (%) 1.86 1.117 2.08
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.88
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.38 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 3.46
Live WT (kg) -11.30 -0.307 3.46
Total Carbon Sub Index 16.98

* Based on an €80/tonne carbon price