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 6.29
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -5.44 -0.375 2.04
Prot (kg) -4.91 -0.441 2.17
Fertility Sub Index 5.53
Calving Interval (days) -3.10 -1.459 4.52
Survival (%) 0.90 1.117 1.01
Calving Sub Index 0.09
Gestation Length (days) -0.10 -0.919 0.09
Beef Sub Index 0.67
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.27 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 16.01

* Based on an €80/tonne carbon price