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 5.46
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -5.03 -0.375 1.88
Prot (kg) -5.22 -0.441 2.30
Fertility Sub Index 5.98
Calving Interval (days) -2.72 -1.459 3.97
Survival (%) 1.80 1.117 2.01
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.69
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 0.23 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 21.23

* Based on an €80/tonne carbon price