İsmail Ülger

CHANGE IN YIELD AND CHEMICAL COMPOSITION OF TALL FESCUE (Festuca arundinacea Schreb.) PLANTS UNDER SALT STRESS

The present study was conducted to investigate the effects of different irrigation water salinity levels (0, 3, 5 and 8 dS/m) on hay yield, chemical composition, gas and methane production, metabolic energy (ME) and organic matter digestibility (OMD) of plants. Experiments were conducted in randomized blocks design with four replications for two years (2014-2015). Calcium chloride (CaCl2), sodium chloride (NaCl) and magnesium sulfate (MgSO4) salts were used to prepare irrigation waters with different salinity levels. Drip irrigation was used. Fresh and dry hay yields, plant height, acid detergent fiber, neutral detergent fiber and crude oil contents decreased with increasing salt doses. Tall fescue Olympus cultivar exhibited a moderate tolerance to salinity. Fresh hay yield decreased by 8.2% at 1.85 dS/m threshold salinity level and dry hay yield decreased 8.2% at 1.97 dS/m threshold salinity level. Crude protein content, gas and methane production, net energy lactation, metabolic energy and organic matter digestibility increased with increasing salt doses. Despite the decreases in hay yield, 8 dS/m did not result in any decreases in protein yields and resulted in low gas and methane production.

Determination of Nutritive Values of Different Malt Barley Varieties Using In Vitro Gas Production Technique

Bu calisma, farkli maltlik arpa cesitlerinin besin degerlerinin in vitro gaz uretim teknigi kullanilarak tespit edilmesi ve in vitro metan gazi uretimlerinin belirlenmesi amaciyla gerceklestirilmistir. Calismada 3 farkli maltlik arpa cesidi Durusu, Atilir ve Firat kullanilmistir. Arastirma sonucunda, maltlik arpa cesitleri arasinda kuru madde (KM), ham kul (HK), ham protein (HP), ham yag (HY), hemiseluloz (HES) ve notr deterjanda cozunmeyen lif (NDF), sindirilebilir organik madde (SOM) icerikleri istatistiki acidan onemli bulunmus fakat ADF (asit deterjanda cozunmeyen lif) ise istatistiki olarak onemli bulunmamistir. Maltlik arpa cesitlerinin gaz uretim miktarlari 64,00 ile 72,50 ml/200 mg KM arasinda degismistir. Metabolik enerji (ME) ve net enerji laktasyon (NEL) icerikleri ise sirasiyla 11,75-12,86 MJ/kg KM ve 7,16-7,98 MJ/kg KM arasinda saptanmistir. En yuksek metan (CH4) gazi uretimi 13,34 ml/200 mg KM ile Firat cesidinden elde edilirken; en dusuk deger ise 12,16 ml/200 mg ile Atilir cesidinden elde edilmistir.

Serum biochemistry of free-ranging black francolins (Francolinus francolinus) including sex-related differences

Black francolin (Francolinus francolinus) is a game bird belonging to Phasianidae family. This species is native to Southern Asia, Middle-East and Caspian region including Turkey. Black francolins are popular game animals and they play an important role in biological control of pests. Nevertheless, studies conducted on this species are extremely rare. The objective of this study is to introduce a profile of serum biochemistry for wild black francolins and to determine variations between sexes. We have analysed 13 serum parameters for each gender separately. We sampled 20 clinically healthy, adult black francolins. Analysed biochemical parameters are as follows: aspartate aminotransferase, alanine aminotransferase (ALT), glucose, triglycerides, cholesterol, creatinine, uric acid, total bilirubin, total protein, albumin, globulin, sodium and potassium. Females had significantly higher levels of aspartate aminotransferase and ALT while males had higher cholesterol levels.