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  • Küçük Resim Yok
    Öğe
    Determination of potential nutritive value of cotton gin trash produced from different feed companies
    (TAYLOR & FRANCIS LTD, 2015) Ozkan, Cagri Ozgur; Boga, Mustafa; Atalay, Ali Ihsan; Guven, Inan; Kaya, Emrah
    The aim of this study was to determine the potential nutritive value of cotton gin trash obtained from five different companies using chemical composition and in vitro gas production technique. There was considerable variation among cotton gin trash obtained from five different companies in terms of chemical composition and in vitro gas production, metabolizable energy (ME) and organic matter digestibility (OMD). The crude protein (CP) contents of cotton gin trash ranged from 6.59% to 12.55% on dry matter (DM). Neutral detergent fibre (NDF) and acid detergent fibre (ADF) contents ranged from 49.24 to 62.22% on DM and 40.73 to 48.31% on DM respectively. The gas production ranged from 22.91 to 33.51 ml of 200 mg of DM after 24-h incubation. The ME and OMD contents of cotton gin trash ranged from 5.38 to 7.09 MJ/kg DM and 37.44 to 52.69% respectively. In conclusion, chemical characterization of CP, OMD and ME suggests that the cotton gin trash moderate level of CP concentration and was digestible therefore it could be said that cotton gin trash will provide roughage of an acceptable quality for ruminant animals.
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    Öğe
    Evaluation of some commercial dairy rations in terms of chemical composition, methane production, net energy and organic matter digestibility
    (Mattioli 1885, 2020) Boga, Mustafa; Kurt, Ozer; Ozkan, Cagri Ozgur; Atalay, Ali Ihsan; Kamalak, Adem
    The aim of the present study was to evaluate some commercial dairy rations in terms of chemical composition, methane production, net energy for lactation (NEL) and organic matter digestibility (OMD). There are considerable variations among total mixed rations (TMRs) used by farms, especially in terms of chemical composition. Crude protein (CP) contents of TMRs ranged from 9.83 to 14.32 %. Acid detergent fiber (ADF) and neutral detergent fiber (NDF) contents of TMRs ranged from 22.79 to 32.32 % and 42.5 to 52.98 % respectively. There are significant differences among TMRs in terms of gas, methane production, NEL and OMD. Gas production ranged from 82.25 to 97.25 ml. Gas production, NEL and OMD for TMR 3, 6 and 8 was significantly higher than the others. Methane production (ml) for TMR 8 was significantly higher than that for TMR 7. As a conclusion, TMRs investigated in the current study are not well balanced to meet the nutritional requirements of lactating cows. Therefore, it is not likely that lactating cows fed with these TMR will not explain their genetic potential very well. Especially CP and NEL of TMRs should be taken into consideration to improve efficiency in milk production of lactating cows in small farms in Turkey.