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 4.87
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -5.35 -0.375 2.00
Prot (kg) -2.59 -0.441 1.14
Fertility Sub Index 3.59
Calving Interval (days) -1.93 -1.459 2.82
Survival (%) 0.69 1.117 0.77
Calving Sub Index -1.64
Gestation Length (days) 1.78 -0.919 -1.64
Beef Sub Index -2.19
Carcass Weight (kg) 3.80 -0.528 -2.00
Age of Slaughter (days) 0.44 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index -2.05
Live WT (kg) 6.70 -0.307 -2.05
Total Carbon Sub Index 2.58

* Based on an €80/tonne carbon price