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 0.80
Milk (kg) -135.00 -0.014 1.89
Fat (kg) 3.46 -0.375 -1.30
Prot (kg) -0.47 -0.441 0.21
Fertility Sub Index 8.21
Calving Interval (days) -3.95 -1.459 5.76
Survival (%) 2.19 1.117 2.45
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.36
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.13 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 20.15

* Based on an €80/tonne carbon price