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 7.08
Milk (kg) -176.00 -0.014 2.46
Fat (kg) -5.13 -0.375 1.92
Prot (kg) -6.10 -0.441 2.69
Fertility Sub Index 4.85
Calving Interval (days) -2.49 -1.459 3.63
Survival (%) 1.09 1.117 1.22
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.56
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.28 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 5.00
Live WT (kg) -16.30 -0.307 5.00
Total Carbon Sub Index 21.31

* Based on an €80/tonne carbon price