This operation can be done with all type of products recorded* into the mortality category.

To record, select the reason of death, give the number of dead animals and the date of mortality. Also select the population from which the dead animals are from. 


With the "human" icon, specify the person who did the recording. With the help of the text bubble you can leave notes as well. 


*In the software, you can record such products under Master data / Products / Farm products. In addition, you can filter the list of those there as well.