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 3.81
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -2.33 -0.375 0.87
Prot (kg) -3.27 -0.441 1.44
Fertility Sub Index 6.26
Calving Interval (days) -2.79 -1.459 4.07
Survival (%) 1.96 1.117 2.19
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.02
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.07 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 4.41
Live WT (kg) -14.40 -0.307 4.41
Total Carbon Sub Index 19.31

* Based on an €80/tonne carbon price