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 3.25
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -0.35 -0.375 0.13
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 8.57
Calving Interval (days) -4.13 -1.459 6.03
Survival (%) 2.28 1.117 2.55
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.17
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.19 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 21.86

* Based on an €80/tonne carbon price