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 -6.14
Milk (kg) 104.00 -0.014 -1.46
Fat (kg) 8.18 -0.375 -3.06
Prot (kg) 3.68 -0.441 -1.62
Fertility Sub Index -7.20
Calving Interval (days) 3.88 -1.459 -5.66
Survival (%) -1.38 1.117 -1.54
Calving Sub Index 1.65
Gestation Length (days) -1.79 -0.919 1.65
Beef Sub Index -0.13
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.60 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index -10.43

* Based on an €80/tonne carbon price