The determination of nutritive value of treated Safflower seeds using in situ and gas production techniques and evaluation of digestible models to describe ruminal degradation kinetics

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This study was carried out to the determination of nutritive value of Safflower seeds (untreateated and treated with 120º C heat) using in situ nylon bag and in vitro gas production techniques in Gizel sheep . Two fistulated Gizel sheep with average BW of 50.5±2.5 kg were used in a complete randomized design. The gas production was measured at 2, 4, 6, 8, 12, 16, 24, 36, 48 and 72 h and ruminal DM and CP disappearance were measured 0, 4, 8, 12, 16, 24, 36 and 48 h. Dry matter degradabilities of Safflower untreateated and treated seeds at 48 h were 54.30 and 50.90%, there were higher and lovier respectively, that showed significant differences (p<0.05). Crude protein degradabilities of Safflower untreateated and treated seeds at same times were 47.89 and 44.25 respectively that showed significant differences (p<0.05).  The gas production of Safflower untreateated and treated seeds at 72 h were 161.39 and 328.12 ml/g DM that showed significant differences (p<0.05).

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