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Topic:Mule
Mules arena distinct equine species with unique physiological and behavioral characteristics. Horses, belonging to the species Equus ferus caballus, are domesticated animals known for their speed, strength, and versatility in various roles, including riding, racing, and work. Mules, on the other hand, are hybrid animals resulting from the crossbreeding of a male donkey (jack) and a female horse (mare). They inherit traits from both parents, often exhibiting the endurance and hardiness of donkeys combined with the size and strength of horses. Mules are typically sterile due to their hybrid nature, possessing 63 chromosomes, an intermediate number between horses and donkeys. This page compiles peer-reviewed research studies and scholarly articles that explore the genetic, anatomical, and behavioral differences between mules and horses, as well as the mule's role in agriculture, transportation, and recreation.
Frequency and factors associated with Theileria equi, Babesia caballi and Trypanosoma evansi in equids from Bahia (Northeast Brazil). The aim of this study was to determine the frequency and factors associated to Babesia caballi, Theileria equi and Trypanosoma evansi in naturally infected equids from the northeast Brazil. Blood samples from 569 equids (528 horses, 8 mules, and 33 donkeys) were collected and tested for the presence of DNA of each of these protozoan parasites by PCR. Generalized linear models were used to evaluate risk factors associated with the infection. The frequency of T. equi infection was 83.5% (475/569) - 84.3% in horses, and 73.2% in donkeys and mules. The results of the final model indicated that age...
Outcome following computed tomographic imaging and subsequent surgical removal of keratomas in equids: 32 cases (2005-2016). OBJECTIVE To describe the use of CT in the diagnosis of and presurgical planning for equids with keratomas treated by hoof wall resection and determine postoperative complications and outcome. DESIGN Retrospective case series. ANIMALS 29 horses and 3 mules with keratomas treated by partial or complete hoof wall resection following CT imaging of the distal portion of the affected extremity from 2005 through 2016. PROCEDURES For each equid, physical examination and lameness evaluation were performed, followed by imaging of the distal portion of the affected extremity. A tentative diagnosis of ke...
Serological diagnosis of equine infectious anemia in horses, donkeys and mules using an ELISA with a gp45 synthetic peptide as antigen. Equine infectious anemia (EIA) is a disease caused by a Lentivirus that is currently controlled exclusively by identification of seropositive animals. In most countries, including Brazil, the official diagnostic test for EIA is the agar gel immunodiffusion test (AGID). Although this assay has a high specificity it can produce false negative reactions or equivocal results due to weak precipitation lines, especially in samples from donkeys, mules or newly infected equids. In this pioneering study, it was used overlapping synthetic peptide pools to map and identify a consensus, widely recognised ...
Morphological characteristics of mule conceptuses during early development. Hybrids between species are often infertile and extremely rare among mammals. Mules, i.e. crossing between the horse and the donkey, on the other hand are very common in agricultural and leisure practices due to their enhanced post-natal physical characteristics that is believed to occur for outbreeding or hybrid vigor. Since no reports are availableon the effects of hybrid vigor during early development, this study focused on characterizing the intrauterine development of mule conceptuses during critical embryo-to-fetus transition period. Nine embryos and fetuses of early gestation, obtained ...
Moffett’s muted mules: the science of laryngology in the art of war. Mules and other equine species have been used in warfare for thousands of years to transport goods and supplies. Mules are known for 'braying', which is disadvantageous in warfare operations. This article explores the fascinating development of surgical techniques to stop military mules from braying, with particular emphasis on the key role played by the otolaryngologist Arthur James Moffett in devoicing the mules of the second Chindit expedition of World War II. Methods: The PubMed database (1900-2017) and Google search engine were used to identify articles related to devoicing mules in the m...
Transplacental transmission of Theileria equi in mules: Should we worry? Equine piroplasmosis, disease globally responsible for significant economic losses, is caused by the transmission of the hemoprotozoa Theileria equi and Babesia caballi by ticks. Transplacental transmission has been reported previously in horses, which is not the case for mules´ foals. The present study investigated, by Real Time-PCR (RT-PCR), the presence of both Theileria equi and Babesia caballi in newborn mules before the ingestion of colostrum. Blood samples of 18 mares and their respective mules´ foals were collected and analyzed by RT-PCR. Only one mare was positive for B. caballi. In...
A survey of Dictyocaulus arnfieldi (Nematoda) infections in equids in Urmia region, Iran. Dictyocaulus arnfieldi is a lungworm commonly found in equids; however, relatively little is known about it. The aim of the present study was to establish the prevalence of equine lungworms in naturally-infected working and sporting horses, donkeys and mules in rural areas of Urmia, northwest Iran. The fecal samples were collected from 299 working horses, 57 sporting horses, 66 donkeys and 37 mules during the period March 2014 to June 2016. The collected fecal samples were processed within 48 hours following rectal sampling. The larval count/g (LPG) of feces was determined using the Baermann t...
Cross-sectional study on gastro-intestinal parasites of equids in South-western Ethiopia. A cross sectional study was conducted in Jimma town from October 2010 to March 2011 with the objective of determining the status of intestinal nematode parasites of equids, and the association of different variables with infection rate. To address this, a total of 400 equids; donkeys (n = 29), horses (n = 317) and mules (n = 54) were used in this study and based on the coprological examination to identify parasite eggs, three species of nematodes were identified with an overall prevalence of 72.25%. A prevalence of 63.25%, 16.50%, 4.25%, and 10.75% were identified for Strongyles, ,...
Prevalence and risk factors for IgG antibodies to Neospora spp. in three types of equids from Southern Punjab, Pakistan. Equine hosts suffer from neurological disease, congenital infection, and reproductive problems associated with Neospora spp. infection. We conducted a cross sectional study using sera from 631 equids (324 horses, 218 donkeys and 89 mules) from the southern region of Punjab province, Pakistan to determine the prevalence of antibodies against Neospora spp. in this diverse group of equines. Fisk factors associated with seropositivity were evaluated statistically based on equine type, breed, age, husbandry, breeding methods, and reproductive history. Prevalence of antibodies to Neospora spp. was d...
Horse Y chromosome assembly displays unique evolutionary features and putative stallion fertility genes. Dynamic evolutionary processes and complex structure make the Y chromosome among the most diverse and least understood regions in mammalian genomes. Here, we present an annotated assembly of the male specific region of the horse Y chromosome (eMSY), representing the first comprehensive Y assembly in odd-toed ungulates. The eMSY comprises single-copy, equine specific multi-copy, PAR transposed, and novel ampliconic sequence classes. The eMSY gene density approaches that of autosomes with the highest number of retained X-Y gametologs recorded in eutherians, in addition to novel Y-born and transp...
Hepatitis E virus infection in equines in Spain. Hepatitis E (HE) is an important emerging disease in European countries. To analyse the role of equids as potential reservoirs for HE virus (HEV), we determined the prevalence of HEV infection in 861 equines from 464 herds in Spain. HEV RNA in serum was detected in 0.4% (3/692) of horses, 1.2% (1/86) of donkeys and 3.6% (3/83) of mules. Phylogenetic analysis identified the zoonotic genotype 3 as being closely related to viral human and swine strains. In this first report on HEV in equids in Europe, we confirm the susceptibility of horses, donkeys and mules to HEV infection. The low prevalence ...
Parasitic profile of traction equids in the semi-arid climate of Paraíba State, Northeastern, Brazil. The objective of this study was to determine the parasitological profiles of traction equids from the semi-arid climate of Paraíba (PB) State. We analyzed 96 equids that performed traction work, with no defined breed, males and females, and all older than 24 months. Among the analyzed animals, 51% were donkeys, 41.7% mules, and 7.3% horses. Fecal material and blood were collected for parasitological examination and to determine the packed cell volume (PCV), respectively. The samples were sent to the Veterinary Parasitology Laboratory, Veterinary Hospital - IFPB, Sousa-PB campus, and epidemiol...
Sero-prevalence and risk factor analysis of Theileria equi infection in equids from different agro-climatic zones of Punjab (India) by Indirect Immunofluorescence Antibody test. In the Indian sub-continent, equine piroplasmosis (EP) is an imperative tick-borne disease of equids predominately caused by obligatory intra-erythrocytic protozoa Theileria equi. Present exploration is the first epidemiological survey report based on Indirect Immunofluorescence Antibody test (IFAT). A total of 120 equines (98 horses and 22 donkeys/mules) from five districts of two main agro-climatic zones of Punjab were screened. The overall prevalence was 58.33%, with western plane zone at higher infection risk for T. equi (74.50%, OR = 7.45, 95% CI = 62.24-85.76); followed by wester...
Physiological responses in horses, donkeys and mules sold at livestock markets. The horse welfare at markets includes fatigue, fear, fasting, dehydration and injuries. However, the scientific literature contains no readily-available information on the physiology responses of equids sold in livestock markets. The objective of the present study was to evaluate the effect of holding in livestock markets on gas exchange, the acid-base balance, energy metabolism, and the mineral and water balance in 4 types of horses (), donkeys () and mules (( × ). To this end, a total of 1,438 equine were utilized, after classification into six groups, as follows: mules, donkeys, culled...
A standardised equine-based welfare assessment tool used for six years in low and middle income countries. The majority of horses, donkeys and mules (equids) are in low- and middle-income countries, where they remain a key source of labour in the construction, agriculture and tourism industries, as well as supporting households daily through transporting people and staple goods. Globally, approximately 600 million people depend on working equids for their livelihood. Safeguarding the welfare of these animals is essential for them to work, as well as for the intrinsic value of the animal's quality of life. In order to manage animal welfare, it must be measured. Over the past decade, welfare assessme...
Risk factor analysis associated with Theileria equi infected equines in semi-arid and sub-humid ecological enzootic zones of India. Equine piroplasmosis is a haemoprtozoan disease of equines and enzootic in tropical and subtropical countries. A cross-sectional study on sero-prevalence of Theileria equi, the causative agent of EP, was performed in semi-arid and sub-humid ecological endemic zones of India including Rajasthan, Haryana and Gujarat states, in order to evaluate the enzootic status/level of exposure to equine population due to this infection and addressed associated risk factors. Serum samples were collected from a total of 1021 equids that comprised of 792 horses, 168 donkeys and 61 mules and evaluated for T. eq...
Seroprevalence and Risk Factors for Theileria equi Infection in Equines from Khyber Pakhtunkhwa Province, Pakistan. is a tick borne protozoan parasite which causes piroplasmosis among equines worldwide. The present study was aimed to determine seroprevalence of in donkeys, horses, and mules from two equine populated districts (Peshawar and Charsadda) of Khyber Pakhtunkhwa (KPK), Pakistan. Methods: A total of 393 equine (195 horses, 194 donkeys and 4 mules) serum samples were collected from five and four randomly selected localities in Charsadda (n = 193) and Peshawar (n = 200), respectively. The presence of antibodies to was determined using a commercially available competitive enzyme-linked immunosorben...
A study on prevalence and molecular characterization of trypanosomal species infecting equines in Lahore region, Pakistan. Trypanosomiasis is an important protozoal disease with a diverse range of susceptible host including human. In the current study, molecular characterization of prevalent species was done through a pan-trypanosome polymerase chain reaction (PCR) followed by restriction fragment length polymorphism (RFLP). A total of three hundred (n = 300) equines including horses, donkeys and mules (100 each) were randomly selected and the equine blood samples were subjected to screening for trypanosomes through microhaematocrit centrifuge technique (MHCT), conventional PCR, semi-nested PCR and RFLP. Overall...
First molecular characterisation of a Brazilian Burkholderia mallei strain isolated from a mule in 2016. We present the first molecular characterisation based on MLVA and SNP analysis of a strain of Burkholderia mallei isolated from a mule found dead in Brazil in 2016.
Hair coat properties of donkeys, mules and horses in a temperate climate. There are clear differences between donkeys and horses in their evolutionary history, physiology, behaviour and husbandry needs. Donkeys are often kept in climates that they are not adapted to and as such may suffer impaired welfare unless protection from the elements is provided. Objective: To compare some of the hair coat properties of donkeys, mules and horses living outside, throughout the year, in the temperate climate of the UK. Methods: Longitudinal study. Methods: Hair samples were taken from 42 animals: 18 donkeys (4 females, 14 males), 16 horses (6 females, 10 males) and eight mules ...
Application of the Hands-On Donkey Tool for Assessing the Welfare of Working Equids at Tuliman, Mexico. Equids are still used for diverse chores in Mexico and are essential for the livelihoods of numerous families. Appropriate health and behavior are prerequisites for performing work without affecting welfare. This study aimed to assess the welfare of working equids in Tuliman, applying the hands-on donkey tool. This tool evaluates five dimensions (behavior, body condition score [BCS], wounds, lameness, and other health issues) and was applied to 438 working equids (horses, mules, and donkeys). The Kruskall-Wallis test was applied to investigate differences between species and sex. Donkeys were ...
Effect of kisspeptin-10, LH and hCG on serum testosterone concentrations in stallions, donkeys and mules. This study was conducted to determine the response of serum testosterone (T) in male equines (stallions, donkeys and mules) after administering intravenous doses of kisspeptin-10 (KP-10), human chorionic gonadotropin (hCG) and luteinizing hormone (LH) and saline as a control. The animals were divided into four groups of three each: Group I, 3 ml of 0.95% saline; Group II, 50 μg KP-10; Group III, 2500 IU hCG and group IV, 400 μg LH. The administration of KP-10 and hCG to stallions resulted in a significant increase in serum T concentration at 240 min; whereas it was significantly higher a...
West Nile Virus: Seroprevalence in Animals in Palestine and Israel. West Nile virus (WNV) epidemiological situation in Israel and Palestine, due to their unique location, draws attention following to the global spread of West Nile fever (WNF). Although much information is available from Israel on clinical cases and prevalence of WNV, clinical cases are rarely reported in Palestine, and prevalence is not known. The objectives of this study were to determine WNV seroprevalence in various domestic animals in Palestine and to reevaluate current seroprevalence, force of infection, and risk factors for WNV exposure in horses in Israel. Sera samples were collected fr...
A serosurvey of selected cystogenic coccidia in Spanish equids: first detection of anti-Besnoitia spp. specific antibodies in Europe. Equine besnoitiosis, caused by Besnoitia bennetti, and equine protozoal myeloencephalitis (EPM), caused by Sarcocystis neurona and Neospora hughesi are relevant equine diseases in the Americas that have been scarcely studied in Europe. Thus, a serosurvey of these cystogenic coccidia was carried out in Southern Spain. A cross-sectional study was performed and serum samples from horses (n = 553), donkeys (n = 85) and mules (n = 83) were included. An in-house enzyme-linked immunosorbent assay (ELISA) was employed to identify a Besnoitia spp. infection and positive results were confirmed by ...
Differential Infection Patterns and Recent Evolutionary Origins of Equine Hepaciviruses in Donkeys. The hepatitis C virus (HCV) is a major human pathogen. Genetically related viruses in animals suggest a zoonotic origin of HCV. The closest relative of HCV is found in horses (termed equine hepacivirus [EqHV]). However, low EqHV genetic diversity implies relatively recent acquisition of EqHV by horses, making a derivation of HCV from EqHV unlikely. To unravel the EqHV evolutionary history within equid sister species, we analyzed 829 donkeys and 53 mules sampled in nine European, Asian, African, and American countries by molecular and serologic tools for EqHV infection. Antibodies were found in...
Cyathostomum catinatum infection in a mule of Palam Valley, India: a case report. The small strongyles also called as cyathostomes, cyathostomins or trichonemes, affect the health status of equines, leading to morbidity and mortality in heavily infested individuals. The present study was carried out with the aim to identify the cause of colic in a mule of Palam valley, Himachal Pradesh, India. The detailed faecal sample examination revealed heavy intensity of strongyle eggs with an egg per gram value of 2300. The collected faecal sample also exhibited presence of adult worms. The morphological observations after clearing the retrieved parasites revealed the presence of adul...
Short Communication Quick method for identifying horse (Equus caballus) and donkey (Equus asinus) hybrids. The domestication of the Equus genus 5000-6000 years ago has influenced the history of human civilization. As soon as horse and donkey species had been domesticated, they were crossbred, producing humanity's first documented attempt at animal genome manipulation. Since then, the mule (male donkey x female horse) and the reciprocal cross (the hinny, male horse x female donkey) have been the most common equine hybrids in the world. Due to their hybrid vigor, mules and hinnies have been intensively used for carrying loads and people and for tilling the land. Despite their importance, visual disti...
Evolution of equine infectious anaemia in naturally infected mules with different serological reactivity patterns prior and after immune suppression. Information on equine infectious anaemia (EIA) in mules, including those with an equivocal reaction in agar gel immunodiffusion test (AGIDT), is scarce. For this, a study was conducted to evaluate the clinical, viral loads and pathological findings of two groups of naturally infected asymptomatic mules, respectively with a negative/equivocal and positive AGIDT reactivity, which were subjected to pharmacological immune suppression (IS). A non-infected control was included in the study that remained negative during the observation period. Throughout the whole study, even repeated episodes of rec...
Detection of Vaccinia virus during an outbreak of exanthemous oral lesions in Brazilian equids. In August 2014, an outbreak of oral exanthematous disease in equids was reported in Brazil, affecting 11 donkeys and 3 mules. Objective: To investigate if Vaccinia virus (VACV) was the aetiological agent in this outbreak. Methods: Investigation of clinical cases using serological, molecular and phylogenetic approaches. Methods: To analyse the presence of neutralising antibodies against VACV, samples were submitted in triplicate to a plaque-reduction neutralisation test (PRNT ). On the basis of previous studies which detected VACV DNA in sera, we submitted extracted DNA samples to different pol...
Testicular Characteristics and the Block to Spermatogenesis in Mature Hinny. Most hinnies (female donkey×male horse) and mules (female horse×male donkey) are sterile with few reports of equine fertile hybrids. The main cause of this sterility is thought to be a meiotic block to spermatogenesis and oogenesis. This study compared the developmental features of the testes and a histological analyses of spermatogenesis in a male hinny with those of a normal, fertile stallion and Jack donkey. Hinny testes showed a thicker tunica albuginea, fewer blood vessels and more connective tissue in the testis parenchyma than those of the stallion and Jack donkey. Although the mean n...
