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 3.28
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -3.81 -0.375 1.43
Prot (kg) -2.95 -0.441 1.30
Fertility Sub Index 8.35
Calving Interval (days) -4.87 -1.459 7.11
Survival (%) 1.11 1.117 1.24
Calving Sub Index 1.31
Gestation Length (days) -1.42 -0.919 1.31
Beef Sub Index 0.38
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.54 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 17.45

* Based on an €80/tonne carbon price