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 13.03
Milk (kg) -302.00 -0.014 4.23
Fat (kg) -12.34 -0.375 4.62
Prot (kg) -9.47 -0.441 4.18
Fertility Sub Index 3.76
Calving Interval (days) -1.39 -1.459 2.03
Survival (%) 1.55 1.117 1.73
Calving Sub Index -1.18
Gestation Length (days) 1.28 -0.919 -1.18
Beef Sub Index -4.03
Carcass Weight (kg) 3.10 -0.528 -1.64
Age of Slaughter (days) 5.54 -0.432 -2.39
Maintenance Sub Index Maint. Sub Index -2.30
Live WT (kg) 7.50 -0.307 -2.30
Total Carbon Sub Index 9.29

* Based on an €80/tonne carbon price