The present research trial was carried out in kharif and summer season from year 2013-2015 at Cattle Breeding Farm, Junagadh agricultural University, Junagadh, Gujarat. Gundrijowar fodder samples were collected for quantitative HCN (mg/100 gm dry matter) concentration from eight sown plots from 15 DAS (Day after sowing) up to 60 DAS at fortnightly intervals and one more sampling was carried out when Gundrijowar fodder crops exhibit 25% flowering stage. | Hydrocyanic acid (HCN) estimation during different stages of growth in Gundrijowar (Sorghum vulgare) fodder crop