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 7.89
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -9.75 -0.375 3.65
Prot (kg) -5.00 -0.441 2.21
Fertility Sub Index -4.26
Calving Interval (days) 3.02 -1.459 -4.41
Survival (%) 0.13 1.117 0.15
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index -2.10
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 4.25 -0.432 -1.83
Maintenance Sub Index Maint. Sub Index -5.46
Live WT (kg) 17.80 -0.307 -5.46
Total Carbon Sub Index -3.58

* Based on an €80/tonne carbon price