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 17.50
Milk (kg) -291.00 -0.014 4.07
Fat (kg) -20.14 -0.375 7.54
Prot (kg) -13.33 -0.441 5.88
Fertility Sub Index 6.42
Calving Interval (days) -2.83 -1.459 4.13
Survival (%) 2.05 1.117 2.29
Calving Sub Index -1.50
Gestation Length (days) 1.63 -0.919 -1.50
Beef Sub Index -2.28
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 4.67 -0.432 -2.02
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 23.54

* Based on an €80/tonne carbon price