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 2.65
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -4.01 -0.375 1.50
Prot (kg) -0.53 -0.441 0.23
Fertility Sub Index 4.68
Calving Interval (days) -2.15 -1.459 3.14
Survival (%) 1.38 1.117 1.54
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.21
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -1.69 -0.432 0.73
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 19.53

* Based on an €80/tonne carbon price