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 -6.80
Milk (kg) 27.00 -0.014 -0.38
Fat (kg) 10.86 -0.375 -4.07
Prot (kg) 5.33 -0.441 -2.35
Fertility Sub Index 5.43
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) 1.50 1.117 1.68
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.48
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 3.52 -0.432 -1.52
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 4.27

* Based on an €80/tonne carbon price