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 4.31
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -2.42 -0.375 0.91
Prot (kg) -3.27 -0.441 1.44
Fertility Sub Index 7.28
Calving Interval (days) -3.36 -1.459 4.90
Survival (%) 2.13 1.117 2.38
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.65
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 1.44 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 22.16

* Based on an €80/tonne carbon price