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 11.05
Milk (kg) -285.00 -0.014 3.99
Fat (kg) -10.22 -0.375 3.83
Prot (kg) -7.33 -0.441 3.24
Fertility Sub Index 8.40
Calving Interval (days) -4.22 -1.459 6.16
Survival (%) 2.01 1.117 2.25
Calving Sub Index -1.29
Gestation Length (days) 1.40 -0.919 -1.29
Beef Sub Index 0.10
Carcass Weight (kg) 1.10 -0.528 -0.58
Age of Slaughter (days) -1.58 -0.432 0.68
Maintenance Sub Index Maint. Sub Index 0.77
Live WT (kg) -2.50 -0.307 0.77
Total Carbon Sub Index 19.04

* Based on an €80/tonne carbon price