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The Relationship Of Leptin And Thyroid Hormones With Milk Yield And Some Fertilityparameters In Simmental Dairy Cows During Transition Period, Özkan Duru, Alparslan Kadi̇r Devri̇m, Hasan Ceyhun Macun, Si̇bel Yasa Duru, Ali̇ Şenol

Turkish Journal of Veterinary & Animal Sciences

In this study, transition period cows were used to test the hypothesis that serum levels of leptin and thyroid hormones would correlate the production efficiency such as milk yield, body condition score, and fertility in dairy cows raised under the same controlled conditions. The study comprised 37 Simmental cows, which were 3 years old and between 257-265 days of gestation. Serum levels of leptin, T3, T4, FT3, and FT4 hormones were measured in blood samples obtained from the animals, which were in the period of 3 weeks before and 3 weeks after delivery. Prepartum serum leptin levels were significantly (p < 0.05) lower in cows having increased milk production compared to the first lactation peak value. Also, postpartum serum FT3 levels were significantly (p < 0.05) lower in cows having milk yield of ≥ 30 kg. Leptin levels were found to be inversely related with milk production and fertility. FT3 levels exhibited a negative correlation with milk production and similarly T3 levels showed an inverse correlation with body condition score. The present study proposed that routine monitoring of leptin and thyroid hormones would be useful for the reproductive management of cows with breeding problems.

Identification And Characterisation Of Crustacean Hyperglycaemic Hormone (Chh) From Mediterranean Shore Crab Carcinus Aestuarii, Marsilda Qyli, Valbona Aliko, Riccardo Sgarra, Pi̇ero Giulio Giulianini, Chiara Manfrin

Turkish Journal of Zoology

Crustacean hyperglycaemic hormone (CHH) is a neuropeptide that was originally identified in the X-organ/sinus gland complex of the eyestalks (ESs) in crustaceans. Several CHH isoforms and spliced variants were later identified in other tissues, and their functions have still not been completely unveiled. In this study, the identification and characterisation of the conventional CHH prepropeptide from the ESs of the littoral crab, Carcinus aestuarii, via rapid amplification of cDNA ends was reported. The identified CHH resulted in a coding sequence of 429 bp, an estimatedprotein of 142 aa with a signal peptide of 26 aa, followed by a CHH precursorrelated …

Effects Of Temperature And Duration Of Storage On The Hatching Behaviour Ofheterodera Latipons (Nematoda: Heteroderidae), Yi̇ği̇t Ali̇ Tatli, Refi̇k Bozbuğa, Göksel Özer, Fouad Mokrini, Rachid Lahlali, Abdelfattah Dababat, Mustafa İmren

Turkish Journal of Zoology

Mediterranean cereal cyst nematode (CCN) Heterodera latipons is considered as one of the main CCN that causes significant economic losses in the production of intolerant cereal crops in Turkey. Accordingly, this study aimed at evaluating the effect of different storing temperatures and durations on the emergence of second-stage juveniles (J2s) of the nematode populations obtained from the eastern Mediterranean (Adana and Hatay) and south-eastern (Gaziantep and Kilis) regions of Turkey. The obtained results revealed a variation in the J2s hatching profiles of the regional nematode populations. The eastern-Mediterranean and the south-eastern populations hatched at between 5 and 20 °C; however, …

Assessment Of The Zooplankton Community Structure Of The Coastal Uzungöl Lagoon(Kızılırmak Delta, Turkey) Based On Community Indices And Physicochemicalparameters, Ceren Deni̇z Özdemi̇r, Yasemi̇n Saygi, Ertunç Gündüz, Fatma Yildiz Demi̇rkalp, Çağaşan Karacaoğlu

Turkish Journal of Zoology

The objective of this study is to provide information on the zooplankton community and physicochemical properties of Uzungöl Lagoon. Sampling studies were performed at monthly intervals for abiotic factors and community parameters between September 2015 and August 2016. The variations of zooplankton community were estimated using Shannon-Weiner diversity (H'), Pielou evenness (J), species richness (S), frequency, and dominancy indices. The relationship between environmental variables and community parameters were analyzed with Pearson?s correlation test and redundancy analysis (RDA). During the study, 39 species, most of which belonged to Rotifera, were recorded. The quantitative analysis indicated that most important fraction of zooplankton …

Contributions To The Genus Zodarion Walckenaer, 1826 In Turkey, With The Description Ofa New Species (Araneae: Zodariidae), İlhan Coşar, Tarik Danişman, Ersen Aydin Yağmur

Turkish Journal of Zoology

In this paper, two species are newly recognized in Turkey. One is new to science, described as Zodarion kunti sp. n. (♂, ♀) from southeast Anatolian region. The other, Zodarion christae Bosmans, 2009 is found for the first time in Denizli, Antalya, and Muğla provinces.

A Contribution To The Biogeography And Taxonomy Of Two Anatolian Mountain Brooknewts, Neurergus Barani And N. Strauchii (Amphibia: Salamandridae) Using Ecologicalniche Modeling, Muammer Kurnaz, Mehmet Kürşat Şahi̇n

Turkish Journal of Zoology

The Anatolian newt, Neurergus strauchii, is an endemic Anatolian species. Until recently, N. strauchii was represented by three subspecies. It has been discussed within a recent phylogenetic study in which the subspecies N. s. barani is recommended to be evaluated as a cryptic but distinct species. To address this subject, we aimed to discuss the niche differentiation between N. barani and N. strauchii using geographical and bioclimatic aspects. All georeferenced data of N. barani and N. strauchii were used to estimate the potential distributions of these species in the Anatolian Peninsula. To evaluate their ecological niche differentiation, point-based analysis and …

Natural Animal Food Preference Of Chinese Mole Shrew (Anourosorex Squamipes) From An Urban Area: A Laboratory Study, Yun-Chun Ye, Yi Luo, Zhao-Min Zhou

Turkish Journal of Zoology

Most wild animals are urban avoiders, but some others become adapters or exploiters successfully living in urban areas. Often, the latter is assumed to be attracted into cities by readily accessible and digestive anthropogenic food resources. Here, we quantified food preferences of sixteen (eight females and eight males) Chinese mole shrews (Anourosorex squamipes) captured from an urban area for "cafeteria tests" in laboratory. Shrews were presented with twelve foods allocated into three sets (natural animal, natural plant, and anthropogenic food). Once the most two highly consumed food items from each set were determined, six items were pooled together to form …

Contributions To The Turkish Oribatid Mite Fauna (Acari: Oribatida) From Sakarya Andyozgat Provinces, Sedat Per, Kübra Çubukçu, Ayşe Toluk, Nusret Ayyildiz

Turkish Journal of Zoology

This study deals with the data on Turkish records of oribatid mites that play an important role in decomposition of organic matter, nutrient cycling, and soil formation. Oribatid mites in litter, lichen, moss, and soil collected from Sakarya and Yozgat provinces were sampled between 2014 and 2020. Standard methods were used for extraction, detection, preservation, and preparation of mites from the material collected from study area. Five oribatid mites were for the first time recorded from Turkey, namely Mesotritia (Mesotritia) nuda (Berlese, 1887) (Oribotritiidae), Hoplophorella (Rhacaplacarus) ortizi (Pérez-Íñigo, 1970) (Phthiracaridae), Eremaeus translamellatus Hammer, 1952 (Eremaeidae), Oribatella (Oribatella) foliata Krivolutsky, 1974 …

Insectum Non Grata: The Harlequin Ladybird, Harmonia Axyridis (Pallas, 1773)(Coleoptera, Coccinellidae) In Turkey, Ahmet Karataş, Ayşegül Karataş, Ni̇zametti̇n Yavuz, Eli̇f Deni̇z Ülker, Özgür Koçak, Burak Akbaba

Turkish Journal of Zoology

The Harlequin Ladybird, Harmonia axyridis (Pallas, 1773), is native to Eastern Asia but it has been introduced to many countries in Africa, America, and Eurasia. In Turkey, H. axyridis is one of the most fast-spreading invasive alien species. Since the collection of the first specimens in 2010, H. axyridis spread almost all over the country. The species spreads fast in Turkey according to the new records, obtained originally from the field studies and the citizen science data. It was recorded for the first time from 19 of 81 Turkish provinces (Ankara, Antalya, Balıkesir, Bolu, Bursa, İstanbul, İzmir, Karaman, Kastamonu, Kırklareli, …

Immunoglobulins And Acute Phase Proteins In Van Cats - Associations With Sex, Age, Andeye Colour, Pinar Coşkun, Vahdetti̇n Altunok, Fi̇li̇z Kazak, Nazmi̇ Yüksek

Turkish Journal of Veterinary & Animal Sciences

It was aimed to determine concentrations of plasma immunoglobulins (IgG, IgA, IgM) and acute phase proteins (?-1 acid glycoprotein, serum amyloid A, ceruloplasmin) and the association of these parameters with age, sex, and eye colour in Van cats. Blood plasma of healthy, forty-seven Van cats (Van Cat Home) fed with standard cat food were involved in the study. Cats were divided into four groups based on age ( 5) and eye colour (amber-amber, amber-blue, blue-amber, and blue-blue eyes described from left to right), and two groups based on sex (male and female). Plasma IgG, IgA, IgM, ?-1 acid glycoprotein, serum …

A New Molecular Approach To The Diagnosis Of Small Ruminant Morbillivirus Withevagreen Based Assay, Mustafa Emi̇n Öz, Emrah Torlak, Oğuzhan Avci, Müge Doğan, Ali̇ Tevfi̇k Uncu

Turkish Journal of Veterinary & Animal Sciences

The present work describes a new method that is anticipated to contribute to the global control and eradication strategies of small ruminant morbillivirus (SRMV), which negatively affects sheep and goat breeding in many countries where outbreaks emerge. Described assay was developed to detect SRMV by targeting the fusion glycoprotein gene. In the study, the EvaGreen based real-time RT-PCR method is compared with real-time RT-PCR based on TaqMan probe, which is recommended as the diagnostic test by World Organisation for Animal Health (OIE). Detection limit, normalized fluorescence values, and sensitivity of the methods were evaluated in the analysis. The lowest limit …

Ruminal Kinetics Of Carbohydrates, Gas Production And Bromatology Of Sugarcane Silagewith High Levels Of Sodium Benzoate, Celso Heinzen Junior, Odimári Pricila Prado Calixto, Egon Henrique Horst, Leonardo Trolegi, Fernando Luiz Massaro Junior, Ivone Yurika Mizubuti, Mikael Neumann, Valter Harry Bumbieris Junior

Turkish Journal of Veterinary & Animal Sciences

The objective of this study was to evaluate the chemical composition, ruminal kinetics, gas production and aerobic stability of sugarcane silage added with increasing levels of sodium benzoate up to 1% of the natural matter. After harvesting, the sugarcane was chopped and placed in experimental polyethylene silos for storage for 30 days. An increasing concentration of sodium benzoate in the silage promoted a linear decrease in the crude protein content, varying from 2.79% to 2.51%. The addition of sodium benzoate reduced the fiber concentration of the silage (P = 0.0015) and increased gas production of the fibrous and nonfibrous carbohydrates …

Effects Of Leptin And Thyroglobulin Gene Polymorphisms On Beef Quality In Holsteinbreed Bulls In Turkey, Süleyman Kök, Güldan Vapur

Turkish Journal of Veterinary & Animal Sciences

The relationship between three single-nucleotide polymorphisms (SNP) markers and the beef quality of Turkish Holstein bulls (THB) was investigated. The markers in leptin (LEP) gene (E2JW and E2FB) and thyroglobulin (TG) gene (C422T) were determined by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) in one hundred THB. Texture, pH, and marbling score (MS) are three of the most dominating determinants of meat quality. In THB, the relationship between 3 SNPs and beef quality characteristics of musculus longissimus dorsi (MLD) was investigated. The mean pH value of the raw beef samples with the TG G422T CC genotype was 5.33 ± 0.30 …

Effects Of Honeybee (Apis Mellifera) Venom On Redox Balance, Biochemical Andhematological Profile In Diabetic Rats: A Preliminary Study, Bariş Denk, Abdurrahman Fati̇h Fi̇dan

Turkish Journal of Veterinary & Animal Sciences

The treatment of diseases with honeybee venom (apitoxin) is a branch of apitherapy, which has yet to find substantial scientific support. In this present study, we used apitoxin to investigate its effects on diabetes mellitus (DM) in rats. The use of apitoxin injection on single-dose streptozotocin (STZ)-treated rat model was selected, and the study took 28 days. Fasting blood glucose (FBG) was measured weekly. Biochemical and hematological parameters, oxidative stress markers, and insulin levels were measured from the blood samples provided on the last day of the study, and the DNA damage marker (8-OHdG) was measured from urine samples. We …

Carnitine Concentrations In Healthy And Septicaemia Suspected Neonatal Calves And Itsrelation To Passive Immunty, Erhan Gökçe, Mahmut Sözmen, Canan Gülmez, Kadi̇r Bozukluhan, Gürbüz Gökce, Emi̇ne Ataki̇şi̇, Mehmet Çi̇ti̇l, Hi̇dayet Meti̇n Erdoğan

Turkish Journal of Veterinary & Animal Sciences

This study was designed to determine carnitine concentrations in newborn calves with suspected septicaemia, healthy calves, and colostrum samples as well as to detect alterations in blood carnitine concentrations after colostrum intake. Carnitine concentrations were detected in both neonatal calves with suspected septicaemia (n = 195) and healthy calves (n =10) as well as in colostrum/milk samples from their dams (n = 20). The mean carnitine concentration on the 2nd day after colostrum intake (32.61 μmol/L) was significantly higher than that measured before colostrum intake (17.61 μmol/L) (P < 0.05). The striking result was significantly lower mean carnitine concentration detected in calves with suspected septicaemia (17.11 μmol/L), compared to healthy calves (24.92 μmol/L) (P < 0.001). Apart from a sudden increase on day 7, no significant alteration was observed in colostrum/milk carnitine concentrations throughout the postpartum period. The results indicated that colostrum contained carnitine, which passed into the bloodstream of the calf by passive colostral transfer, and that a dramatic reduction in blood carnitine concentrations of calves with suspected septicaemia existed. The results might be of help in dealing with septicaemia suspected neonatal calves through both measurement of blood carnitine and, in response, to supplement such cases with carnitine.

Isolation And Identification Of Clostridium Difficile From Cases Of Diarrhea In Young Farmanimals, And The Determination Of Antimicrobial Susceptibility, Edi̇z Kağan Özgen, Murat Yildirim

Turkish Journal of Veterinary & Animal Sciences

Clostridium difficile was isolated for the first time in 1935 from fecal samples of infants, although it was not until 1978 that its pathogenicity started to be considered, when it was shown to cause antibiotic-associated diarrhea and pseudomembranous colitis. In this study, it was aimed to determine the virulence and antibiotic resistance profiles of C. dificile in young ruminants with diarrhea and chickens fed on the farm. A total of 200 fecal samples (50 from calves, 50 from lambs and 50 from kid goats with neonatal diarrhea, as well as 50 cloacal swab samples taken from chickens) were taken and …

Rediscovery Of Pearly Tree Frog, Nyctixalus Margaritifer Boulenger, 1882 (Amphibia: Rhacophoridae) From Mt. Wilis After 135 Years, Bagus Priambodo, Richo Firmansyah, Dicky Candra Pranata, Afina Nur Aninnas, Muhamad Azmi Dwi Susanto, Fajar Dwi Nur Aji, Tri Wahyu Widodo, Gunawan Gunawan, Danafia Permana, Faisal Yanuar Adiba, Yuri Ristanto, Muhamad Prayogi Erfanda, Ahmad Muammar Kadafi

Turkish Journal of Zoology

For more than a century, pearly tree frog from its type locality (East Indies; Java; Mt. Wilis) are undiscovered. Current studies about the distribution of Nyctixalus margaritifer are reported as known only from West Java and Central Java. In this paper, we collected one individual of pearly tree frog, N. margaritifer in the Western part of Mt. Wilis, which belongs to Gunung Sigogor Nature Reserve, Ponorogo, East Java. This is the third specimen, which is discovered from the Mt. Wilis after the lost holotype in 1882 and the neotype in 1885. Poorly known on its ecology and its habitat preferences …

Analysis Of Some Heavy Metals (Cd And Pb) In The Şanlıurfa Province Using Feral Pigeonblood Samples, Özlem Ütme, Füsun Temamoğullari

Turkish Journal of Veterinary & Animal Sciences

Birds serve as good biomonitors in determining environmental pollution. As for indicators of environmental pollution, we detected blood heavy metal levels in 32 female and 32 male local Feral pigeons in the central districts of Şanlıurfa, located in southeastern Turkey, in one month of each season. The samples were analyzed by coupled plasma-mass spectrometry. Lead (Pb) levels were measured as 233.1 ± 25.7 μg/kg for Haliliye, 101.2 ± 29.7 μg/kg for Karaköprü, 81.3 ± 22.7 μg/kg for Eyyübiye, and 48.1 ± 27.1 μg/ kg for Suruç, whereas cadmium (Cd) levels were measured as 30.6 ± 12.6 μg/kg for Haliliye, 35.7 …

The Determination Some Biological Parameters Of Phenacoccus Madeirensis Green (Hemiptera: Pseudococcidae)) On Vegetable Plants, Mustafa Gökhan Bi̇lgi̇n, Asi̇me Fi̇li̇z Çalişkan Keçe, Mehmet Ri̇fat Ulusoy

Turkish Journal of Zoology

This study has been conducted to determine some biological parameters of the Phenacoccus madeirensis Green (Hemiptera: Pseudococcidae) on four vegetable plants (7 different varieties); tomato (Hazera and Torry) ( Solanum lycopersicum L.), eggplant (Adana Topağı and Anamur) ( Solanum melongena L.), pepper (Safran and Zafer) ( Capsicum annuum L.), and Pepino (Minski) ( Solanum muricatum L.). Experiments were carried out in climate cabinets at 25 ± 2 °C, 60 ± 10% R.H., and 16L: 8D) in Plant Protection Department Nedim UYGUN Biological Control Laboratory of Agriculture Faculty, Çukurova University between 2017 and 2018. Life table data were analyzed by using …

The Effects Of Propofol-Sevoflurane, Midazolam-Sevoflurane, And Medetomidineketamine-Sevoflurane Anesthetic Combinations On Tear Production Measured By Theschirmer Tear Test I (Stt I) In Healthy Rabbits, Hani̇fi̇ Erol, Muharrem Erol, Gülteki̇n Atalan, Cengi̇z Ceylan, Muhammed Kaan Yönez

Turkish Journal of Veterinary & Animal Sciences

The maintenance of corneal and normal eye function is necessary for the ocular health and integrity. Tear plays an important role in defense mechanism and nutrition of eye. The Schirmer tear tests (STT I, II) are widely used in ophthalmic examination to evaluate tear production as an aid to diagnose eye diseases. The aim of this study was to compare the different effect of anesthetic combinations and their action period on tear production in healthy rabbits. Forty healthy New Zealand female rabbits (mean weight 2.34 ± 0.67 kg), four months old, were used as materials. The animals were divided into …

Molecular Characterization Of Vp2 And Vp3 Proteins Of Chicken Anemia Virus Isolates Inturkey, Sezer Okay, Şi̇nasi̇ Aşkar

Turkish Journal of Veterinary & Animal Sciences

Chicken anemia virus (CAV) has a circular 2.3 kb DNA genome encoding VP1, VP2, and VP3 proteins. VP1 protein is assembled into viral capsid. VP2 is a nonstructural protein required for the correct assembly of VP1. Also, there is an interaction between VP2 and VP3 protein, known as apoptin. Mostly, VP1 protein of CAV isolates have been investigated in previous studies but the information about VP2 and VP3 proteins is insufficient. The aim of this study is molecular characterization of VP2 and VP3 proteins from 20 CAV isolates previously collected in different regions of Turkey using in silico tools. The …

Effects Of Milk Replacer And Whole Milk Feeding On Rumen Development, Expression Ofgenes Related To Volatile Fatty Acid Absorption, And Rumen Bacteria In Calves, Ahmet Ceylan, Ali̇ Çalik, Burcu Eki̇m, Alev Gürol Bayraktaroğlu, Oğuz Çalişici, Doğukan Özen, Pinar Saçakli

Turkish Journal of Veterinary & Animal Sciences

This research examined the effects of liquid feeds on calf performance, rumen development, rumen cellulolytic bacteria count, and total bacteria diversity. Twenty Holstein bull calves were allocated to 2 groups either fed with milk replacer (MR) or whole milk. Calves fed milk tended to have higher (P = 0.058) average daily weight gain as compared to calves fed with MR during the entire experimental period. Starter mixture intake was not influenced by either milk or milk replacer feeding. Calves fed with milk had higher (P < 0.001) proliferative cells in the rumen papilla. The expressions of MCT1, MCT4, NHE1, NHE3, ACSS1, AceCS2, and ACSM1 genes, which are related to volatile fatty acid absorption, in the dorsal sac of the rumen were similar for calves fed either MR or whole milk. Fibrobacter succinogenes (P = 0.017) and Ruminococcus flavefaciens (P = 0.037) were significantly higher in the rumen of the milkfed calves. Moreover, denaturing gradient gel electrophoresis (DGGE)-derived dendrograms showed noticeable differences in ruminal microbial population between MR-fed and milk-fed calves. In conclusion, feeding calves with whole milk, which contains better quality protein and nutrients, instead of milk replacers, positively affects rumen development, cellulolytic bacteria numbers and total bacteria diversity.

The Morphometric And Erythrometric Analyses Of Pelophylax Ridibundus Living In Anthropogenic Pollution Resources, Mesut Dönmez, Turgay Şi̇şman

Turkish Journal of Zoology

The health status of Pelophylax ridibundus species living in anthropogenic pollution sources in Erzurum (Turkey) were investigated. Firstly, heavy metal concentrations in liver of the frog species, and in water and sediment samples taken from the habitats of the frogs were determined by instrumental analysis. Secondly, morphometric (fluctuating asymmetry-FA, hepatosomatic index- HSI) and erythrometric analyses were performed to reveal the health status of the frogs in the areas. Our study provides the first morphometric datas on the frog in Turkey. Although the metal concentrations in the water were high, it was determined that they did not exceed the limit values. …

Immunohistological Effects Of Transforming Growth Factor-Ss Via Platelet-Rich Plasma Onsegmental Bone Defects: An Animal Study, Azi̇z Ati̇k, Serdar Sargin, Gökhan Meri̇ç, Cengi̇z Ceylan

Turkish Journal of Veterinary & Animal Sciences

Bone healing is a different and unique process that results in complete bone tissue, rather than ending in scar formation. However, more significant bone defects may fail to regenerate and forms scary granulomatous tissue. This study aimed to investigate the efficacy of transforming growth factor-ß (TGF - ß) via platelet rich plasma (PRP) in rabbit tibia bones with segmental bone defects by radiological and immunohistological methods. Tibial segmental defects were performed to adult New Zealand rabbits (n = 10) on both legs. 0.5 mL of PRP was administered to the defect zone on one leg (PRP group), while the other …

The Morphological And Morphometric Characteristics Of Alabadem Pigeons, Evren Erdem, Fatma Tüli̇n Özbaşer, Eser Kemal Gürcan, Mehmet İhsan Soysal

Turkish Journal of Veterinary & Animal Sciences

This study aimed to determine the morphological and morphometric characteristics of Alabadem pigeons, which are grown as ornamental pigeons in Edirne province, and to determine mutual traits with other indigenous pigeon breeds in Turkey by comparing with previous studies. Body weight (P < 0.001), head length (P < 0.01), head width (P < 0.05), beak length (P < 0.001), and tarsus diameter (P < 0.05) of age group III were higher than those of other age groups; however, the wingspan of age group II was greater than that of other age groups in Alabadem pigeon. Compared to other indigenous genotypes in Turkey, the Alabadem pigeon is a small-sized genotype. Alabadem pigeons were similar to Edremit butterfly pigeons and Thracian tumbler pigeons in terms of crested and blackeyed pigeons. On the other hand, the irregularly shaped mark (almond) on the head in Alabadem pigeons was similar to the wide-long irregular shaped mark on the neck of Edremit butterfly pigeons. Some basic plumage colors (black, yellow, and red) and intermediate colors (chickpea and scarlet) were identical to Alabadem pigeons and Thrace roller pigeons. Since Alabadem pigeons have many mutual characteristics with Edremit butterfly pigeons and Thracian roller pigeons, genetic studies may be recommended to determine the degree of relationship among these breeds.

Evidence Of Non-Strike Induced Chemosensory Searching By Eastern Copperheads (Agkistrodon Contortrix) During Cicada Predation, Henderson Cyrenius Gull

Online Theses and Dissertations

New evidence of active foraging by eastern copperheads, Agkistrodon contortrix, contradicts its description as an envenomation-reliant ambush predator. Evidence of active foraging through non-strike induced chemosensory searching (NSICS) was previously found in cottonmouths (A. piscivorus) but could not be replicated with A. contortrix in later experiments. I observed foraging methods similar to non-strike induced chemoreception when specifically predating upon cicada nymphs during seasonal emergences. I hypothesized that A. contortrix actively forage using chemoreception without envenomation, and that tongue flick rates would be higher during foraging behaviors than during non-predatory or resting behaviors. Behavior of twelve A. contortrix were filmed at …

Radical Response: Effects Of Heat Stress-Induced Oxidative Stress On Lipid Metabolism In The Avian Liver, Nima K. Emami, Usuk Jung, Brynn Voy, Sami Dridi

Poultry Science Faculty Publications and Presentations

Lipid metabolism in avian species places unique demands on the liver in comparison to most mammals. The avian liver synthesizes the vast majority of fatty acids that provide energy and support cell membrane synthesis throughout the bird. Egg production intensifies demands to the liver as hepatic lipids are needed to create the yolk. The enzymatic reactions that underlie de novo lipogenesis are energetically demanding and require a precise balance of vitamins and cofactors to proceed efficiently. External stressors such as overnutrition or nutrient deficiency can disrupt this balance and compromise the liver’s ability to support metabolic needs. Heat stress is …

Response Of Forest Birds To Spotted Wing Drosophila (Drosophila Suzukii Matsumura), A Novel Invasive Fruit Pest, At Allegheny National Forest, Daniel P. Roche

Graduate Theses, Dissertations, and Problem Reports (ETD)

Non-native invasive insect pests can have dramatic impacts on native ecosystems, feeding on plant foliage, wood, or sap. Little is known, however, about how fruit-targeting NNIIPs may affect native ecosystems. Spotted wing Drosophila (Drosophila suzukii Matsumura, SWD) is a recently introduced invasive vinegar fly that parasitizes the fruits of many plant species in the United States. While its activity in agricultural systems is well-documented, little is known about its activity in forest ecosystems, despite growing evidence of its presence and parasitism of fruits there. Parasitism could reduce fruit attractiveness for vertebrate fruit consumers, including migratory birds. As such, this …

Population Genetics Of A Reintroduced Fisher (Pekania Pennanti) Population In West Virginia, Caroline E. Harms

Graduate Theses, Dissertations, and Problem Reports (ETD)

Fishers (Pekania pennanti) were reintroduced in West Virginia in 1969 with no population wide genetic analysis ever having been conducted. Genetic analysis of reintroduced populations is vital to assess genetic diversity as an indicative of population viability. My objective was to collect fisher samples throughout West Virginia, nearby states where fisher may be migrating (PA and NY), and the New Hampshire source population to provide a full genetic interpretation of the reintroduced West Virginia population. Genetic analysis was used to measure genetic diversity, admixture or delineation of subpopulations, and effective population size. Sample location and genetic data were …

Effect Of Diet, Age, And Genetics On Rainbow Trout Growth And Fillet Quality, Bahareh Adami

Graduate Theses, Dissertations, and Problem Reports (ETD)

In this study, analyses were conducted to compare fillet quality attributes of 4 rainbow trout families (40, 102, 159, and 187) fed fish meal (FM) and a fishmeal free diet (FMF), to two age endpoints, 9 and 11 months.

Previous studies with rainbow trout have evaluated the effect of age, diet, and family on growth performance and fillet quality. However, a comprehensive analysis of variables is lacking for rainbow trout, one of the main aquatic foods for domestic and international consumers.

Separable muscle as a percent whole body weight was not affected by diet, family, age, and the interaction of …