Veterinary Medicine Commons^™

Effect Of Some Essential Oils (Allium Sativum L., Origanum Majorana L.) And Ozonated Olive Oil On The Treatment Of Ear Mites (Otodectes Cynotis) In Cats, Fulya Altinok Yi̇pel, Abuzer Acar, Mustafa Yi̇pel

Turkish Journal of Veterinary & Animal Sciences

The purpose of this study was to determine the effect of certain essential oils and ozonated olive oil on Otodectes cynotis infestations in cats. Twenty-eight cats were included in the study. Infestation was diagnosed through the microscopic examination of ear secretions. Clinical findings were evaluated and scored before and after treatment. Cats were randomly assigned to different treatment groups, which included Group 1 treated with ozonated olive oil, Group 2 treated with garlic oil, Group 3 treated with marjoram oil, and Group 4 treated with permethrin. Each treatment was applied to both ears with approximately 5 drops daily per ear …

Presence Of Pathogenic Escherichia Coli Is Correlated With Bacterial Community Diversity And Composition On Pre-Harvest Cattle Hides, Jessica Chopyk, Ryan M. Moore, Zachary Dispirito, Zachary R. Stromberg, Gentry L. Lewis, David G. Renter, Natalia Cernicchiaro, Rodney A. Moxley, K. Eric Wommack

School of Veterinary and Biomedical Sciences: Faculty Publications

Background: Since 1982, specific serotypes of Shiga toxin-producing Escherichia coli (STEC) have been recognized as significant foodborne pathogens acquired from contaminated beef and, more recently, other food products. Cattle are the major reservoir hosts of these organisms, and while there have been advancements in food safety practices and industry standards, STEC still remains prevalent within beef cattle operations with cattle hides implicated as major sources of carcass contamination. To investigate whether the composition of hide-specific microbial communities are associated with STEC prevalence, 16S ribosomal RNA (rRNA) bacterial community profiles were obtained from hide and fecal samples collected from a large …

Prevalence And Level Of Enterohemorrhagic Escherichia Coli In Culled Dairy Cows At Harvest, Zachary R. Stromberg, Gentry L. Lewis, Sharif S. Aly, Terry W. Lehenbauer, Joseph M. Bosilevac, Natalia Cernicchiaro, Rodney A. Moxley

School of Veterinary and Biomedical Sciences: Faculty Publications

The primary objective of this study was to determine the prevalence and level of enterohemorrhagic Escherichia coli (EHEC) O26, O45, O103, O111, O121, and O145 (collectively EHEC-6) plus EHEC O157 in fecal, hide, and preintervention carcass surface samples from culled dairy cows. Matched samples (n=300) were collected from 100 cows at harvest and tested by a culture-based method and two molecular methods: NeoSEEK STEC (NS) and Atlas STEC EG2 Combo. Both the culture and NS methods can be used to discriminate among the seven EHEC types (EHEC-7), from which the cumulative prevalence was inferred, whereas the Atlas method can discriminate …

The Impact Of Endocrine-Disrupting Chemicals On Wildlife Conservation, Eda Reed

Honors Theses

Endocrine-disrupting chemicals (EDCs), such as those from plastics and pesticides, have been hypothesized to affect wildlife populations. According to the U.S. National Institute of Environmental Health Sciences, EDCs ‘are chemicals that may interfere with the body’s endocrine system and produce adverse developmental, reproductive, neurological, and immune effects in both humans and wildlife.’ A growing number of studies suggest wildlife are being exposed to EDCs, but how EDCs affect wildlife health and wildlife conservation is less well-understood. Through scientific literature analysis and a survey of wildlife conservationists and practitioners, this study aims to determine the current state of knowledge and data …

Zika Virus- Emergence, Evolution, Pathology, Diagnosis, And Control: Current Global Scenario And Future Perspectives- A Comprehensive Review, Raj K. Singh, Kuldeep Dhama, Yashpal S. Malik, Muthannan A. Ramakrishnan, Kumaragurubaran Karthik, Sunil K. Joshi

Bioelectrics Publications

This review converses the Zika virus which has attained global concern due to its rapid pandemic potential and impact on humans. Though Zika virus was first isolated in 1947, till the recent large-scale outbreak which occurred in Micronesia, in 2007, the virus was placed into the innocuous pathogen category. The World Health Organization on 1 February 2016 declared it as a Public Health Emergency of International Concern.' Of the note, American as well as Pacific Island strains/isolates is relatively closer to Asian lineage strains. The African and American strains share more than 87.5% and 95% homologies with Asian strains/isolates, respectively. …

Cross-Sectional Analysis Of Salivary Cortisol And Cyathostome Infestation In Horses, Danielle L. Keating

Undergraduate Honors Thesis Projects

With an increase in anthelmintic resistance and decreased efficacy of many commercial dewormers, understanding factors that contribute to parasite infestations in horses is integral to their management. The goal of this study was to look at the potential relationship between parasites and stress response by evaluating salivary cortisol levels and cyathostome egg shedding levels. Using a sample size of n = 200 horses from the state of Ohio, fecal and saliva samples were collected from each horse. Fecal egg counts were performed for each horse with a modified Stoll method, and saliva samples were tested with an enzyme-linked immunosorbent assay …

Differential Gene Expression In Equine Cartilaginous Tissues And Induced Chondrocytes, Emma N. Adam

Theses and Dissertations--Veterinary Science

Degenerative joint disease, or osteoarthritis, is a major cause of lameness and morbidity in horses, humans, and dogs. There are no truly satisfactory cures for this widespread problem and current treatments all have limitations or unwanted side effects.

New cell-based strategies to repair joint surface lesions have generated a high level of interest, but have yet to achieve the full restoration of articular cartilage structure and function. Currently used therapy cells include autologous chondrocytes and adult mesenchymal cells such as bone marrow derived cells and adipose derived cells. Unfortunately, the resultant repair tissue is biomechanically inferior fibrocartilage. A critical gap …

Rickettsia Felis, Transmission Mechanisms Of An Emerging Flea-Borne Rickettsiosis, Lisa Diane Brown

LSU Doctoral Dissertations

Rickettsia felis is an emerging insect-borne rickettsial pathogen and the causative agent of flea-borne spotted fever. First described as a human pathogen from the United States in 1991, R. felis is now identified throughout the world and considered a common cause of fever in Africa. The cosmopolitan distribution of this pathogen is credited to the equally widespread occurrence of cat fleas (Ctenocephalides felis), the primary vector and reservoir of R. felis. Additionally, R. felis has been identified in other hematophagous arthropods (including numerous species of fleas, ticks, mosquitoes, and mites). Most transmission cycles of pathogenic Rickettsia include transovarial and transstadial …

The Role Of Nadph Oxidase 2 (Nox2) In High-Fat Diet-Induced Adiposopathy And Brain Dysfunction In A Mouse Model, Jennifer Kathleen Pepping

LSU Master's Theses

Obesity can have numerous detrimental consequences, namely metabolic syndrome, type 2 diabetes, cardiovascular disease, cancer, and Alzheimer’s disease. The pathogenesis and physiologic consequences of obesity are unknown, but they are often associated with increased inflammation and oxidative stress in both the body and in the brain. One factor that has been implicated in causing inflammation associated with a high fat diet is the enzyme NADPH oxidase, or NOX, specifically the subunit NOX2. Two studies were performed in order to assess the effects of a high fat diet in combination with a universal NOX2 deficiency and a NOX2 deficiency targeted to …

Animal Mourning: Précis Of How Animals Grieve (King 2013), Barbara J. King

Animal Sentience

Abstract: When an animal dies, that individual’s mate, relatives, or friends may express grief. Changes in the survivor’s patterns of social behavior, eating, sleeping, and/or of expression of affect are the key criteria for defining grief. Based on this understanding of grief, it is not only big-brained mammals like elephants, apes, and cetaceans who can be said to mourn, but also a wide variety of other animals, including domestic companions like cats, dogs, and rabbits; horses and farm animals; and some birds. With keen attention placed on seeking where grief is found to occur and where it is absent …

Age-Related Changes In The Growth Performance, Meat Quality, And Oxidativeprocesses In Breast Muscles Of Three Chicken Genotypes, Monika Michalczuk, Artur Józwik, Krzysztof Damaziak, Zaneta Zdanowska-Sasiadek, Agata Marzec, Dariusz Gozdowski, Nina Strzalkowska

Turkish Journal of Veterinary & Animal Sciences

The aim of this study was to determine growth performance, meat quality, and oxidative changes in breast muscles depending on the genotype and age of broiler chickens. The experiment was conducted on 1080 chickens: fast-growing Cobb 500, medium-growing Hubbard JA957, and a slow-growing experimental line. Chickens from all genetic groups were reared on litter for 8 weeks, but from the 5th week of age, 15 chickens from each group were slaughtered every week. After slaughter at weeks 5, 6, 7, and 8 of chickens? lives, their muscles were sampled for chemical composition, fatty acid profile, and cholesterol. Contents of reduced …

Cast/Mspi Gene Polymorphism And Its Impact On Growth Traits Of Soviet Merinoand Salsk Sheep Breeds In The South European Part Of Russia, Ivan Fedorovich Gorlov, Nadezhda Vasilevna Shirokova, Alexander Vasilevich Randelin, Valeriya Nikolaevna Voronkova, Natalya Ivanovna Mosolova, Elena Yurevna Zlobina, Yury Anatolevich Kolosov, Nekruz Farkhodovich Bakoev, Mariya Anatolevna Leonova, Sirozhdin Yusufovich Bakoev, Anatoly Yurevich Kolosov, Lubov Vladimirovna Getmantseva

Turkish Journal of Veterinary & Animal Sciences

The purpose of this work was to study MspI polymorphism in the CAST gene in Soviet Merino and Salsk sheep breeds in the South European part of Russia and to find its relation with growth traits. Soviet Merino sheep have been found to have the M and N alleles with a frequency of 0.88 and 0.12 and the MM, MN, and NN genotypes with a frequency of 0.82, 0.12, and 0.06, respectively. Salsk sheep have been established to have the M and N alleles with a frequency of 0.89 and 0.11 and two genotypes, MM and MN, with a frequency …

Comparative Evaluation Of Sequence Analysis Of 16s Rrna And Rpobgenes For Identification Of Aquatic Mycobacteria, Fazel Pourahmad, Randolph Harvey Richards

Turkish Journal of Veterinary & Animal Sciences

The nucleotide sequences of partial 16S rRNA and bacterial RNA polymerase ß-subunit (rpoB) genes for 57 mycobacterial strains were determined. Compared to the 16S rRNA gene sequences, variable regions were scattered along the whole fragment sequence, indicating that the rpoB gene is more polymorphic. Unlike 16S rRNA sequences, species variation was observed within M. fortuitum strains. The topology of the rpoB-based phylogenetic tree was almost the same as that of the 16S rRNA sequence analysis. These results suggest that the rpoB gene is a highly conserved gene, and taxonomical studies based on this gene may be comparable with similar studies …

Isolation Of Virulent Rhodococcus Equi From Arabian Horses In Şanlıurfa, Turkey, Osman Yaşar Tel, Oktay Keski̇n, Sevi̇l Erdenli̇ğ Gürbi̇lek

Turkish Journal of Veterinary & Animal Sciences

The purposes of this study were to investigate plasmid profiles of the isolated virulent (VapA positive) agents by RFLP and to determine the quantitative aspects of Rhodococcus equi in the feces of adult horses and foals, as well as in soil. The frequency of detection of R. equi and virulent R. equi in fecal samples and soil was studied from 20 farms in the Şanlıurfa region. A total of 315 samples were examined. Nasal swabs from 25 foals with pneumonia were also analyzed. R. equi was isolated and identified from 263 (83.4%) samples originating from 15 out of 20 farms. …

Molecular Characterization Of The Bovine Noroviruses From Diarrheic Calves In Turkey, İrem Gülaçti, İbrahi̇m Sözdutmaz, Hakan Işidan

Turkish Journal of Veterinary & Animal Sciences

In this study, we performed a survey to detect bovine noroviruses (BNoVs) in Turkey between 2009 and 2011 using 235 fecal samples from neonatal calves with diarrhea that were analyzed by nested reverse-transcription RT-PCR, using primers located in the consensus sequences of the BNoV RNA-dependent RNA polymerase (RdRp) gene. The BNoV RdRp gene was detected in 1.7% (4/235) of samples by nested RT-PCR. The nucleotide sequences of partial RdRp fragments from the BNoV isolates including the newly identified Turkish isolates showed more than 86.3% nt and 96.8% aa identity with each other. Interestingly, in a comparison of the nt and …

Growth, Slaughter, And Carcass Characteristics Of Honamlı, Hair, And Honamlı X Hair (F1) Male Goat Kids Bred Under Extensive Conditions, Aykut Asim Akbaş, Mustafa Saatci

Turkish Journal of Veterinary & Animal Sciences

Growth and carcass characteristics of Honamlı, Hair, and Honamlı x Hair crossbred goat kids were investigated in this study. Seven kids, having live weights between 25 and 30 kg, were slaughtered. It was found that the live weights of Honamlı, Hair, and Honamlı x Hair kids were 3.90 kg and 27.50 kg, 3.04 kg and 16.91 kg, and 3.58 kg and 22.07 kg at birth and on the 120th day, respectively. Honamlı kids had higher body measurements, as well as birth and live weights, when compared to the other genotypes. While flocks had an important effect (P < 0.001) on all growth periods, the effect of dam age on body measurements was also significant (P > 0.05), except on …

Influence Of Different Proteinaceous Diets On Consumption, Brood Rearing,And Honey Bee Quality Parameters Under Isolation Conditions, Abdulraouf Amro, Mohamed Omar, Ahmed Al-Ghamdi

Turkish Journal of Veterinary & Animal Sciences

This study was carried out to evaluate the efficacy of 5 proteinaceous diets on honey bees under isolation conditions. The diets were soybean meal, mesquite pod powder, date paste, Feedbee®, and corn gluten, along with control colonies (bees fed naturally on pollens). These 5 diets were supplied to honey bee colonies under isolation conditions, except for the control group. Food consumption amount, brood rearing activity, and some physiological parameters of the honey bees were measured. The best consumption amount was for date paste, followed by Feedbee, mesquite, and corn gluten, respectively. Concerning brood rearing activity, the highest mean of sealed …

Effect Of Different Extenders On Motility And Some Sperm Kinematics Parameters In Norduz Goat Semen, Koray Teki̇n, Ali̇ Daşkin

Turkish Journal of Veterinary & Animal Sciences

Use of computer-assisted sperm analyzers (CASAs) to evaluate sperm fertilizing ability has great importance for the artificial insemination industry. For motility evaluation, different CASA systems and diluents are being used. These assays are poor in predicting sperm fertility, because only the samples with markedly poor quality can be detected. However, there is not a unitary extender worldwide. Therefore, we aimed to evaluate the postthaw kinetic parameters of curvilinear velocity (VCL), straight-line velocity (VSL), and average-path velocity (VAP) with two different extenders (skim milk, SM; Tris, TS). Semen was collected twice a week with an artificial vagina from four adult Norduz …

The Role Of Porcine Reproductive And Respiratory Syndrome Virus As A Risk Factor In The Outbreak Of Porcine Epidemic Diarrhea In Immunized Swine Herds, Mei-Zhou Huang, Hui Wang, Sheng-Yi Wang, Dong-An Cui, Xin Tuo, Yong-Ming Liu

Turkish Journal of Veterinary & Animal Sciences

The aim of the study was to investigate the relation between porcine epidemic diarrhea (PED) and porcine reproductive and respiratory syndrome virus (PRRSV). Here, we constructed a dynamic clinical experimental model in which sows were infected with PRRSV. The stability of the experimental model was surveyed by detecting the levels of antibodies against classical swine fever virus (CSFV) or PRRSV, respectively. In both group A (infected group) and group B (healthy group), the CSFV antibody level was not significantly different (P > 0.05). In group B, the PRRSV antibody level was also not significantly different (P > 0.05) at the three times …

The Effect Of Packaging Method And Dietary Vitamin D3 Supplementation On The Quality Of Beef In Rectus Femoris, Gluteus Medius, And Adductor Femoris Beef Muscles, Aleksandra Lipinska, Andrzej Póltorak, Agnieszka Wierzbicka, Jaroslaw Wyrwisz

Turkish Journal of Veterinary & Animal Sciences

The goal of the study was to assess the impact of packaging methods and doses of vitamin D3 fed to animals (with feed) in the last days of finishing on selected indicators of beef quality. The parameters studied include the measurement of CIE L*, a*, and b* colour spaces and the Warner?Bratzler shear force. The muscles used in the study were the m. rectus femoris, m. gluteus medius, and m. adductor femoris, which were packed in two variants of modified atmosphere (MAP1, 80% O2:20% CO2 and MAP2, 60% O2:40% CO2) and in skin-pack technology; they were later aged for 10 …

Influence Of Dietary Vitamin D3 Supplementation On The Sarcomere Length,Warner?Bratzler Shear Force, Shortening Of Ageing Time, And Sensory Acceptanceof Culinary Beef Muscles, Urszula Karolina Rafalska

Turkish Journal of Veterinary & Animal Sciences

The aim of this study was to determine the effects of dietary vitamin D3 supplementation on ageing time, tenderness, and consumer acceptance of 3 muscles: longissimus lumborum, semitendinosus, and semimembranosus from crossbreed bulls. Bulls (n = 48) were divided into 4 experimental groups (n = 12 each) that were administered ground oats supplemented with various amounts of vitamin D3 (0.0, 3.5, 7.0, or 10.0 x 106 IU) at 1 day before slaughter. To determine the effect of vitamin D3 addition, changes in tenderness were measured by sarcomere length and Warner?Bratzler shear force (WBSF). In addition, all of the muscles were …

Diagnostic And Therapeutic Approach To Cardiac Myxosarcoma In A Dog, Meri̇ç Kocatürk, Hakan Salci, Murat Bi̇çer, Ahmet Akkoç, Sai̇m Sağ, Zeki̇ Yilmaz

Turkish Journal of Veterinary & Animal Sciences

A 7-year-old Chow Pei was referred to an animal hospital for the evaluation of a 1-month history of abdominal distension and exercise intolerance. A systolic murmur was auscultated over the tricuspid valve (TV). Thoracic radiographs showed cardiomegaly, right atrial enlargement, and pulmonary edema. Electrocardiography revealed small QRS complexes and a right-bundle brunch block. Echocardiography also showed right atrial enlargement and tricuspid insufficiency due to the presence of a mass on the posterior leaflet of the TV. The mass was excised by intracardiac surgery and histological evaluation revealed myxosarcoma. This is a case report of a diagnostic and therapeutic approach to …

The Effect Of Live Saccharomyces Cerevisiae Yeast In The Diet Of Rams On The Digestibility Of Nutrients, Nitrogen And Mineral Retention, And Blood Serum Biochemical Parameters, Barbara Kowalik, Jacek Skomial, Renata Miltko, Malgorzata Majewska

Turkish Journal of Veterinary & Animal Sciences

The effect of live Saccharomyces cerevisiae yeast added to the diet of rams on the digestibility of carbohydrates and protein in the total tract, retention of nitrogen and mineral elements, and concentration of biochemical parameters in blood serum was examined. The experiment was carried out on 12 Corriedale rams allocated to 2 groups of 6 animals each. The control group was fed meadow hay (45.4%), concentrate (53.2%), and a vitamin?mineral mixture (1.4%), while the second group was fed the same diet supplemented with 2 g day-1 live S. cerevisiae. Adaptation to feeding lasted 21 days; the sampling period lasted 7 …

Pharmacokinetics And Bioavailability Of Three Promising Tilmicosin-Loaded Lipid Nanoparticles In Comparison With Tilmicosin Phosphate Following Oral Administration In Broiler Chickens, Ali Rassouli, Alwan Al-Qushawi, Fatemeh Atyabi, Seyed Mostafa Peighambari, Mehdi Esfandyari-Manesh, Gholam Reza Shams

Turkish Journal of Veterinary & Animal Sciences

Tilmicosin (TLM) is a semisynthetic antimicrobial agent used mainly in poultry and cattle, but it has relatively poor oral bioavailability. This study was conducted to compare the bioavailability (BA) and main pharmacokinetic (PK) parameters of TLM after oral administration of tilmicosin phosphate (TLM-PH) and three newly prepared lipid nanoparticles (LNPs) of TLM including solid lipid nanoparticles (SLNs), nanostructured lipid carriers (NLCs), and lipid-core nanocapsules (LNCs). Sixty broiler chickens were divided into eight groups. In four treatment groups (n = 10), each bird was given a single oral dose (20 mg/kg) of a TLM formulation after overnight fasting, and in four …

Hemopoiesis In The Pronephros Of Tench, Tinca Tinca, Linnaeus 1758(Teleostei, Cyprinidae): Cytochemical Identification And Cell Morphology, Andi Alijagic, Damir Suljevic

Turkish Journal of Veterinary & Animal Sciences

Hemopoiesis in the tench (Tinca tinca: Teleostei, Cyprinidae), a cyprinid fish that can be found within the entire territory of Eurasia, from France in the west to the Yenisei River in the east, has not yet been described. The aim of this research was analysis of hemopoiesis lineages in the pronephros of Tinca tinca (sampled from the Jablanicko Reservoir). Identification and cells measurements were done by using a light microscope (Olympus BX41) and an Olympus DP12 camera. Hemopoietic cells of the tench are divided into five different series that include erythropoietic, granulopoietic, lymphopoietic, thrombopoietic, and monopoietic cell series. Erythropoietic series …

Distinctive Phenotypic And Molecular Characteristics Of Brucella Abortus Strains Isolated From Mongolia, Ji-Yeon Kim, Sung-Il Kang, Janchivdorj Erdenebaataar, Batbaatar Vanaabaatar, Gombosuren Ulziisaikhan, Ochirbat Khursbaatar, Kichan Lee, Jin Ju Lee, So-Ra Sung, Suk Chan Jung, Yong Ho Park, Han-Sang Yoo, Moon Her

Turkish Journal of Veterinary & Animal Sciences

Recently, some Brucella abortus were isolated from human and various livestock in Mongolia, and the classical biotyping and molecular detection methods (PCR assays, 16S rRNA sequencing analysis, and multilocus variable number tandem repeat analysis (MLVA)) were applied to investigate them. Of the 16 isolates, nine and seven were confirmed as biovar (bv.) 3 and untyped by the classical biotyping assay, respectively. The phenotypic characteristics of the untyped isolates were consistent with those of the former B. abortus bv. 7, which is not included in the current Brucella taxonomy. Additionally, genus- and species-specific PCR supported that the untyped Mongolian isolates belonged …

The Protective Effects Of Cysteamine, Putrescine, And The Combination Of Cysteamineand Putrescine On Fibrosarcoma Induced In Mice With 3-Methylcholanthrene, Abdullah Doğan, Pinar Aksu, Di̇nçer Erdağ, Ali̇ Nazmi̇ Can Doğan, Kadi̇r Özcan, Ertan Doğan

Turkish Journal of Veterinary & Animal Sciences

In this study, the protective effects of cysteamine, putrescine, and the combination of cysteamine and putrescine were investigated in mice with fibrosarcoma induced with 3-methylcholanthrene (3-MC). A total of 135 adult male albino mice (Mus musculus), 2-3 months old and weighing 20 ± 2.0 g, were used in this study. All groups (each consisting of 15 mice) were fed ad libitum. The experimental groups were Group 1 (drinking water), Group 2 (0.2 mL sesame oil s.c.), Group 3 (1 mg 3-MC/0.2 mL sesame oil), Group 4 (0.1% cysteamine), Group 5 (0.1% putrescine), Group 6 (0.1% cysteamine + putrescine), Group 7 …

Gross Responses And Apparent Ileal Digestibility Of Amino Acids And Minerals In Broiler Chicken Fed Vegetable-Based Starter Diets Supplemented With Microbial Enzymes, Mohammad Abul Hossain, Paul Ade Iji, Al-Farooq Mohammad Fakhrul Islam

Turkish Journal of Veterinary & Animal Sciences

This study was conducted to investigate the effects of diet and exogenous enzymes on growth responses and micronutrient digestibility of broilers. Day-old broilers (n = 256) were distributed into a 2 x 2 factorial design and were fed on two basal diets: soybean (T1) or canola (T2) meals as such, or supplemented with enzymes up to 21 days. Feed intake (FI) and live weight (LW) to 21 days on the T2 diet was higher (P < 0.001) than that on T1. Feed conversion ratio (FCR) was better (P < 0.01) on T1 than on T2 at 21 days. Enzymes generally improved (P < 0.001) FI, FCR, and LW. The digestibility of histidine was higher (P < 0.05) on T2, but lysine digestibility was higher (P < 0.01) on T1 at 21 days. Histidine, threonine, lysine, valine, isoleucine, and phenylalanine digestibility was improved (P < 0.05) in the supplemented diets. Mineral digestibility was unaffected (P > 0.05) by diet, but enzymes increased (P < 0.05) digestibility of P, K, Mn, and Cu at 21 days. The digestibility of Cu, Zn, and Mg was higher (P < 0.05) on T2, whereas Ca digestibility was greater (P < 0.05) on the T1 diet. Broilers' growth responded positively to enzyme diets, probably due to improvement in nutrient digestibility.

Differences In Drone Sperm Morphometry And Activity At The Beginning And End Of The Season, Aldona Gontarz, Dorota Banaszewska, Magdalena Gryzinska, Katarzyna Andraszek

Turkish Journal of Veterinary & Animal Sciences

The sperm cells of the honey bee, like the sperm of most invertebrates, belong to the modified type of spermatozoa. In our own research, differences have been observed in the activity of sperm cells isolated from drones at the beginning and end of the season. On the basis of these observations, research was undertaken to determine whether the changes in drone activity are associated with morphological changes. The sperm cells collected from drones at the beginning of the mating season are longer than the sperm cells from the end of the season. Moreover, sperm cells from the beginning of the …

In Vitro Culture Of In Vivo Saanen Goat Embryos By Vitrification, Ayşe Merve Köse, Tevfi̇k Tekeli̇

Turkish Journal of Veterinary & Animal Sciences

The purpose of this study was to investigate the survival rate of high-quality embryos (n: 101) derived in vivo from Saanen goats (n: 15) in culture following their vitrified freezing and thawing during the breeding season. The in vitro postthaw survival rates of 101 vitrified embryos at 24, 48, and 72 h were 59.4%, 33.6%, and 25.7%, respectively. According to the developmental stage of the embryos, the survival rates were 51.3%, 20.5%, and 15.4% in the morula, and 64.5%, 41.9%, and 32.3% in the blastocyst, respectively. The survival rates of the blastocysts and morulae at 48 and 72 h were …