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 8.00
Milk (kg) -233.00 -0.014 3.26
Fat (kg) -6.13 -0.375 2.30
Prot (kg) -5.53 -0.441 2.44
Fertility Sub Index 6.32
Calving Interval (days) -3.69 -1.459 5.38
Survival (%) 0.84 1.117 0.94
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 0.47
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 18.97

* Based on an €80/tonne carbon price