One of his studies was on the fatal effects of Indigofera cordifolia on sheep that grazed them shortly after the rains .
Jayakrishna worked with the local shepherd community , the Rabaris , to collect ethnobotanical information .
One of Jayakrishna 's studies was on the fatal effects of Indigofera cordifolia on sheep that grazed them shortly after the rains .
Jayakrishna worked with the local shepherd community , the Rabaris , to collect ethnobotanical information .