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 4.74
Milk (kg) -274.00 -0.014 3.84
Fat (kg) 3.45 -0.375 -1.29
Prot (kg) -4.97 -0.441 2.19
Fertility Sub Index 5.21
Calving Interval (days) -2.56 -1.459 3.74
Survival (%) 1.32 1.117 1.47
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index 0.26
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 4.89 -0.432 -2.11
Maintenance Sub Index Maint. Sub Index 6.01
Live WT (kg) -19.60 -0.307 6.01
Total Carbon Sub Index 16.49

* Based on an €80/tonne carbon price