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 -2.01
Milk (kg) -73.00 -0.014 1.02
Fat (kg) 5.23 -0.375 -1.96
Prot (kg) 2.44 -0.441 -1.08
Fertility Sub Index -1.13
Calving Interval (days) 0.55 -1.459 -0.80
Survival (%) -0.29 1.117 -0.32
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index 1.29
Carcass Weight (kg) -6.40 -0.528 3.38
Age of Slaughter (days) 4.83 -0.432 -2.09
Maintenance Sub Index Maint. Sub Index 0.74
Live WT (kg) -2.40 -0.307 0.74
Total Carbon Sub Index -0.16

* Based on an €80/tonne carbon price