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 2.88
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -1.57 -0.375 0.59
Prot (kg) -1.19 -0.441 0.53
Fertility Sub Index -0.37
Calving Interval (days) 0.70 -1.459 -1.02
Survival (%) 0.58 1.117 0.65
Calving Sub Index -1.65
Gestation Length (days) 1.80 -0.919 -1.65
Beef Sub Index 0.22
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.91 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 4.69

* Based on an €80/tonne carbon price