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Full-Text Articles in Life Sciences

The Effects Of Some Plant Materials On The Growth And Productivity Ofpleurotus Floridafovose, Abdunnasır Yildiz Jan 1999

The Effects Of Some Plant Materials On The Growth And Productivity Ofpleurotus Floridafovose, Abdunnasır Yildiz

Turkish Journal of Biology

In this study, the soybean, sorghum, peanut and wheat straw were used as culture media for Pleurotus florida. The shortest period for mycelium growth on soybean straw was 10.8 days; basidiocarp formation period, the first, second and third harvesting periods were determined as; 28.2, 33.6, 47.2 and 63.8, days respectively as the shortes periods found with peonut straw; 23.2, 59.5, 63.5, 75.2 and 94.0 days respectively, as the longest periods found with sorghum straw. The fresh mushroom yield obtained with 100 g material (70 % moisture) at first, second, third harvesting periods and total yield was 11.2, 7.7, 4.8 and …


The Growth And Reproduction Characteristics Of Chub Leuciscus Cephalus Orientalis (Nordmann, 1840) Living In The River Aras, Mustafa Türkmen, H. İbrahi̇m Hali̇loğlu, Orhan Erdoğan, Ayhan Yildirim Jan 1999

The Growth And Reproduction Characteristics Of Chub Leuciscus Cephalus Orientalis (Nordmann, 1840) Living In The River Aras, Mustafa Türkmen, H. İbrahi̇m Hali̇loğlu, Orhan Erdoğan, Ayhan Yildirim

Turkish Journal of Zoology

In this study, the populations structure, growth and reproduction characteristics of 1091 Leuciscus cephalus orientalis from the Yagan Region of River Aras between December 1995 and November 1997 were investigated monthly. The age composition of this species ranged between I and VIII. Individuals were composed of 48.85% males and 51.15% females. Female individuals attained greater size and age than males. The largest Female captured was 27.5 cm FL and age VIII, while the largest male was 24.1 cm FL and age VIII. Von Bertalanffy growth equations (in length and weight) and length-weight relationships were found as Lt=32.47(1-e -0.1217(t+1.63) ), Wt=502.10(1-e …


The Growth Features Of Pike (Esox Lucius L., 1758) In Dam Lake Kesikköprü, Ahmet Altindağ, Si̇bel Yi̇ği̇t, Seyhan Ahiska, Şaki̇r Özkurt Jan 1999

The Growth Features Of Pike (Esox Lucius L., 1758) In Dam Lake Kesikköprü, Ahmet Altindağ, Si̇bel Yi̇ği̇t, Seyhan Ahiska, Şaki̇r Özkurt

Turkish Journal of Zoology

In this study, the growth properties of pike (Esox lucius L., 1758) in Dam Lake Kesikköprü between April 1995 and March 1996 were examined. In the examined samples, the age of females and males ranged from I-V and I-IV respectively. The population was composed of 55 % males and 45' % females. The forked length and weight of females and males varied from 18,7 to 49,4 cm., from 265 to 1100 g, and from 16,5 to 53,0 cm., from 260 to 1140 g., respectively. Age-length and age-weight relations were calculated according to the von Bertalanffy growth equation formula. The following …


Growth Properties Of Bass (Dicentrarchus Labrax (L., 1758), Perciformes: Serranidae) Live In Akgöl-Paradeniz Lagoon In Göksu Delta, Serap Ergene Gözükara Jan 1999

Growth Properties Of Bass (Dicentrarchus Labrax (L., 1758), Perciformes: Serranidae) Live In Akgöl-Paradeniz Lagoon In Göksu Delta, Serap Ergene Gözükara

Turkish Journal of Zoology

The age composition of 415 specimens of Dicentrarchus labrax caught from Akgöl-Paradeniz Lagoon, between February 1992 and July 1994, ranged between 0.-X. age groups.. The II.nd ages group of D. labrax is dominant in all individuals with a rate of 32.05 %. Average fork lenght according to ages group of D.labrax is ranged between 177,14 mm. and 700,0 mm. Average weight value according to ages group of D.labrax is varied between 63.35 and 3475 g..The value of condition factor for all indivuduals is determined for 2nd ages as 2.31 maximum and for 2nd age as 0.60 minimum. The annual and …


The Effect Of Water On Growth, Food Consumption, Feces Quantity, Digestive Activity And Glycogen Level Of Gryllus Bimaculatus (Orthoptera: Gryllidae), Ati̇la Yanikoğlu Jan 1999

The Effect Of Water On Growth, Food Consumption, Feces Quantity, Digestive Activity And Glycogen Level Of Gryllus Bimaculatus (Orthoptera: Gryllidae), Ati̇la Yanikoğlu

Turkish Journal of Zoology

In this study, the effect of water on growth (wet weight gain), food consumption, feces quantity, digestive activity and glycogen level of Gryllus bimaculatus female adults was investigated by doing the experiments of feeding and starvation. Wheat bran was given for feeding. All parameters were found to be significantly higher in insects feeding with water than those feeding without water. A significant difference did not occur in mean wet weight and glycogen level in insects either feeding without water or starved for one week. At the end of the experimental period, a wet weight gain (43%) was observed only in …


Growth And Mortality Of Mussels ( Mytilus Edulisl.) Reared Inlantern Nets In Loch Kishorn, Scotland, Sedat Karayücel, Ismi̇han Karayücel Jan 1999

Growth And Mortality Of Mussels ( Mytilus Edulisl.) Reared Inlantern Nets In Loch Kishorn, Scotland, Sedat Karayücel, Ismi̇han Karayücel

Turkish Journal of Veterinary & Animal Sciences

One-year old rope grown mussels ( Mytilus edulis L.) were held in experimental lantern nets at 2 m and 6 m depths in Loch Kishorn on the west coast of Scotland. Growth, mortality and shell morphology were monitored from May 1993 to August 1994. Water temperature, salinity, transparency and food availability were also determined. These showed a clear seasonal cycle, in consequence, growth of mussels was relatively rapid from May to November and very slow during the rest of the year. Depth had a insignificant effect on shell length and tissue growth (P>0.05) due to similar environmental factors. Shell …


Comparison Of Some Production Traits In Malya And Akkaraman Sheep, Nadi̇ Çolakoğlu, Ceyhan Özbeyaz Jan 1999

Comparison Of Some Production Traits In Malya And Akkaraman Sheep, Nadi̇ Çolakoğlu, Ceyhan Özbeyaz

Turkish Journal of Veterinary & Animal Sciences

Summary : This research was carried out to compare the fertility traits, greasy fleece weight and wool characteristics in breeding ewes; and the growth and survival rates of lambs in Ankaraman and Malya breeds. The data was obtained for fertility traits from 5581 Malya and 9707 Akkaraman ewes, for growth rates from 100 lambs in each breed, for greasy fleece weights from 100 ewes in each breed and for wool characteristics from 32 Malya and 28 Akkaraman ewes. Fertility traits such as lambing percentage, twinning rate, litter size and number of lambs weaned per hundred ewes lambing between 1992 and …


Growth Performance, Food Intake And Feed Converison Ratios In Rainbow (Onchorynchus Mykiss) And Brook Trout (Salvelinus Fontinalis) Reared As A Single And Mixed Species, İbrahi̇m Okumuş, M. Sali̇h Çeli̇kkale, İlker Zeki̇ Kurtoğlu, Nadi̇r Başçinar Jan 1999

Growth Performance, Food Intake And Feed Converison Ratios In Rainbow (Onchorynchus Mykiss) And Brook Trout (Salvelinus Fontinalis) Reared As A Single And Mixed Species, İbrahi̇m Okumuş, M. Sali̇h Çeli̇kkale, İlker Zeki̇ Kurtoğlu, Nadi̇r Başçinar

Turkish Journal of Veterinary & Animal Sciences

Growth performances, daily food consumption and feed conversion ratios of rainbow (Onchorynchus mykiss) and brook trout (Salvelinus fontinalis) reared as single and mixed species were compared. During the experimental period, which lasted for about a growing season (December - June, 217 days), mean % weight increment of single species brook trout group were maximum (from 18.2 to 165.6 g), followed by mixed rainbow (26.8 to 241.6 g) and brook trout (17.0 to 151.8 g), and single species rainbow trout (27.5 to 207.6 g). Rates of increment in biomass were in similar order. Final mean weights of single species brook trout …


A Research On The Growth Rate On The Mullet (Mugil Auratus Risso, 1810) Fingerlings Fed Different Diets In Cages, Gülçi̇n Ağirağaç, Mustafa Kalma Jan 1999

A Research On The Growth Rate On The Mullet (Mugil Auratus Risso, 1810) Fingerlings Fed Different Diets In Cages, Gülçi̇n Ağirağaç, Mustafa Kalma

Turkish Journal of Veterinary & Animal Sciences

This research was conducted to determine the effect of different feeds on the growth rate of mullet juveniles (M. auratus R. 1810). Juveniles with a initial mean weight of 14.15 g and 14.71 g were feed a semi-moist diet (%50 trout viscera + %25 soybean meal + %25 high quality wheat bran) and carp pellets for a period of 60 days in marine cages. At the end of the experiment, final average weights were determined as 28.83± 0.6 g and 22.04±0.6 g have been obtained, respectively. The difference between the two harvesting weights was found statistically significant (P


Some Biological Characteristics Of Picarel (Spicara Smaris, Linnaeus 1758) In The Eastern Black Sea Coast Of Turkey, Temel Şahi̇n, Yaşar Genç Jan 1999

Some Biological Characteristics Of Picarel (Spicara Smaris, Linnaeus 1758) In The Eastern Black Sea Coast Of Turkey, Temel Şahi̇n, Yaşar Genç

Turkish Journal of Zoology

In this study, the following biological characteristics of picarel (Spicara smaris, Linnaeus 1758) in the Eastern Black Sea Coast have been examined: sex and age distribution, growth in length and weight, growth rates, condition factor and spawning period. A total of 456 individuals, ranged between age groups I-VI, have been composed by 61.41 % females, 38.58 a/o males. The length and weight differences between females and males were significant in age group II (P


Some Biological Characteristics Of Sprat (Sprattus Sprattus Phalericus Risso, 1826) On The Eastern Black Sea Coast, Temel Şahi̇n Jan 1999

Some Biological Characteristics Of Sprat (Sprattus Sprattus Phalericus Risso, 1826) On The Eastern Black Sea Coast, Temel Şahi̇n

Turkish Journal of Zoology

In this study, biological characteristics i.e. sex and age distribution, growth (in length and weight), growth rates, and condition factor of sprat (Sprattus sprattus phalericus) from the Eastern Blak Sea coast have been examined. The percentage of females and males was 57.53 % and 42.47 % out of 372 specimens which ranged between age group I and IV. Age groups II and III were also predominant in the catch composition. The mean length values were 10.72±0.052 cm for females, 10.67±0.253 cm for males and 10.69±0.038 for both sexes (female+male). The length and weight differences between females and males were not …


Growth Properties Of Chub (Leuciscus Cephalus L., 1758) In Lake Tödürge (Zara/Sivas), Bülent Ünver, Jüli̇de Tanyolaç Jan 1999

Growth Properties Of Chub (Leuciscus Cephalus L., 1758) In Lake Tödürge (Zara/Sivas), Bülent Ünver, Jüli̇de Tanyolaç

Turkish Journal of Zoology

In this research, sex and age compositions, age-length, age-weight, length-weight relations, condition factors were investigated on 674 chub (Leuciscus cephalus L., 1758) specimens caught from Lake Tödürge, Sivas between April and November 1994. The age composition of L. cephalus specimens were between I-VII years and sex percentages were calculated as 68.25 % for females and 31.75 % for males. Determined minimum and maximum forklength values were 53 and 299 mm; weights were 1.5 and 347.1 g. Von Bertalanffy equations of L. cephalus specimens as length-growth and weight-growth were established as L_t = 474.19 [1-e^{-0.10608(t+0.3805)}] for females; L_t = 545.26 [1-e …


An Investigation On The Growth Criterias Of Leuciscus Cephalus In Çıldır Lake-Ardahan, Sedat Vahdet Yerli̇, Mustafa Çalişkan, Ali̇ Fuat Canbolat Jan 1999

An Investigation On The Growth Criterias Of Leuciscus Cephalus In Çıldır Lake-Ardahan, Sedat Vahdet Yerli̇, Mustafa Çalişkan, Ali̇ Fuat Canbolat

Turkish Journal of Zoology

A total of 506 Leuciscus cephalus were caught in the Çıldır Lake-Ardahan from May to December 1991. The age composition of L.cephalus specimens were between II-VI years and III years olds dominated with a rate of 67.26%. In the stock the percentages were calculated as 73.00% for males and 27.00% for females. According to age groups II-VI, to average forklengths were 140.72 mm; 179.39 mm; 253.03 mm; 322.85 mm and 354.00 mm; average weights were 47.49g; 83.68g; 234.18g; 498.69 g and 596.25 g Determined minimum and maximum forklengths were 112 and 390 mm; weights were 30 and 720 g