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 7.19
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -8.87 -0.375 3.32
Prot (kg) -4.03 -0.441 1.78
Fertility Sub Index 5.36
Calving Interval (days) -2.93 -1.459 4.27
Survival (%) 0.97 1.117 1.08
Calving Sub Index -1.43
Gestation Length (days) 1.56 -0.919 -1.43
Beef Sub Index -2.55
Carcass Weight (kg) 3.80 -0.528 -2.00
Age of Slaughter (days) 1.26 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 10.27

* Based on an €80/tonne carbon price