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 5.09
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -5.10 -0.375 1.91
Prot (kg) -3.01 -0.441 1.33
Fertility Sub Index 6.66
Calving Interval (days) -2.94 -1.459 4.29
Survival (%) 2.12 1.117 2.37
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.75
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 0.60 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 4.41
Live WT (kg) -14.40 -0.307 4.41
Total Carbon Sub Index 21.71

* Based on an €80/tonne carbon price