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 7.20
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -6.58 -0.375 2.46
Prot (kg) -5.12 -0.441 2.26
Fertility Sub Index 6.00
Calving Interval (days) -2.98 -1.459 4.35
Survival (%) 1.48 1.117 1.65
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.34
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.52 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 21.45

* Based on an €80/tonne carbon price