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 4.50
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -4.48 -0.375 1.68
Prot (kg) -3.38 -0.441 1.49
Fertility Sub Index 7.18
Calving Interval (days) -3.61 -1.459 5.27
Survival (%) 1.71 1.117 1.91
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.86
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 2.65 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 19.59

* Based on an €80/tonne carbon price