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 0.61
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -0.78 -0.375 0.29
Prot (kg) -0.22 -0.441 0.10
Fertility Sub Index -0.28
Calving Interval (days) 1.16 -1.459 -1.69
Survival (%) 1.26 1.117 1.41
Calving Sub Index -0.26
Gestation Length (days) 0.28 -0.919 -0.26
Beef Sub Index -2.17
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 8.44 -0.432 -3.64
Maintenance Sub Index Maint. Sub Index 6.65
Live WT (kg) -21.70 -0.307 6.65
Total Carbon Sub Index 4.55

* Based on an €80/tonne carbon price