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 -6.73
Milk (kg) 178.00 -0.014 -2.49
Fat (kg) 5.38 -0.375 -2.02
Prot (kg) 5.03 -0.441 -2.22
Fertility Sub Index 0.23
Calving Interval (days) 0.69 -1.459 -1.01
Survival (%) 1.11 1.117 1.24
Calving Sub Index 2.10
Gestation Length (days) -2.29 -0.919 2.10
Beef Sub Index 0.31
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 0.99 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index -0.21
Live WT (kg) 0.70 -0.307 -0.21
Total Carbon Sub Index -4.29

* Based on an €80/tonne carbon price