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The Thai Journal of Veterinary Medicine

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Articles 1351 - 1380 of 2525

Full-Text Articles in Medicine and Health Sciences

A Scanning Electron Microscopic Study Of Oviduct Epithelium In Culling Repeat Breeder Gilts, Paisan Tienthai, Kriengyot Sajjarengpong Sep 2007

A Scanning Electron Microscopic Study Of Oviduct Epithelium In Culling Repeat Breeder Gilts, Paisan Tienthai, Kriengyot Sajjarengpong

The Thai Journal of Veterinary Medicine

In the porcine reproductive tract, the oviduct is the vital organ for fertilization and early embryonic development. Repeat breeder (RB) gilts have previously shown the abnormal histological changes and deviant hormonal levels throughout estrous cycle. The aim of present study was to examine the oviduct epithelium of gilts culled due to RB (n = 9) in comparison to normal sows (controls, n = 6) by scanning electron microscope (SEM). The reproductive organs were collected after sending the RB gilts to local abattoir and their ovaries were kept to classify the estrous cycle. The ultrastructural details of control oviduct epithelium composed …


Management Of Gastric Dilatation/Volvulus And Its Cardiac Complication In A Saint Bernard, Chollada Buranakarl, Mongkol Trisiriroj, Suwanakiet Sawangkoon Sep 2007

Management Of Gastric Dilatation/Volvulus And Its Cardiac Complication In A Saint Bernard, Chollada Buranakarl, Mongkol Trisiriroj, Suwanakiet Sawangkoon

The Thai Journal of Veterinary Medicine

A five-year-old Saint Bernard was presented at the Small Animal Hospital, Chulalongkorn University with clinical signs of acute abdominal distention and severe pain. The gastric dilatation and volvulus (GDV) was diagnosed and was confirmed at surgery. The volvulus appeared in both stomach and spleen in which both organs were partially damaged. The dog developed cardiac arrhythmia the next day after surgery starting with accelerated idioventricular rhythm. Multiple types of arrhythmias were seen including ventricular tachycardia with R on T phenomenon and paroxysmal supraventricular tachycardia. The antiarrhythmic drugs, amiodarone and carvedilol were given to convert to normal sinus rhythm and drugs …


Ultrasound Diagnosis, Phiwipha Kamonrat Sep 2007

Ultrasound Diagnosis, Phiwipha Kamonrat

The Thai Journal of Veterinary Medicine

No abstract provided.


Editor’S Note, Roongroje Thanawongnuwech Sep 2007

Editor’S Note, Roongroje Thanawongnuwech

The Thai Journal of Veterinary Medicine

No abstract provided.


Analysis Of Y Chromosome Rearrangements Between B. Taurus And B. Indicus, Duangsmorn Suwattana, Hannes Joerg, Daria Graphodatskaya, Gerald Stranzinger Sep 2007

Analysis Of Y Chromosome Rearrangements Between B. Taurus And B. Indicus, Duangsmorn Suwattana, Hannes Joerg, Daria Graphodatskaya, Gerald Stranzinger

The Thai Journal of Veterinary Medicine

The significantly high similarity of karyotypes were shown between Bos taurus and B. indicus except for morphology of the Y-chromosome. The B. taurus-Y (BTA-Y) is submetacentric whereas the B. indicus-Y (BIN-Y) is acrocentic. Based on the hybridization of the chromosome painting technique, the difference between Y chromosomes in B. taurus and B. indicus was proposed to be originated from the pericentric inversion between these two species. However, hybridization of SRY to the sub-centromeric end of BIN-Y indicated a double pericentric inversion found between B. taurus and B. indicus. We suggested that BTA-Y and BIN-Y were originated from a common ancestor …


Morphology Of The Heart Of A White-Cheeked Gibbon (Hylobates Concolor), Tilladit Rung-Ruangkijkrai, Wuthichai Klomkleaw, Pakorn Prachammuang Sep 2007

Morphology Of The Heart Of A White-Cheeked Gibbon (Hylobates Concolor), Tilladit Rung-Ruangkijkrai, Wuthichai Klomkleaw, Pakorn Prachammuang

The Thai Journal of Veterinary Medicine

The heart was recovered at post mortem from an adult white-cheeked gibbon, Hylobates concolor, for anatomical and histological studies. Macroscopically, it had oval shape, blunt and spherical apex with 3.5 cm. and 5 cm. in width and length. Smooth edged comma-shaped right auricle was markedly bigger than the jaggededged left auricle. Pectinate muscles were found both at the internal surface of the right auricle and lateral free wall of the right atrium, while limited only in blind part of the left auricle. The coronary arteries supply was left coronary type. The left coronary artery gave circumflex and paraconal interventricular branches. …


Ecg Quiz, Chollada Buranakarl, Kris Angkanaporn, Monkon Trisiriroj Sep 2007

Ecg Quiz, Chollada Buranakarl, Kris Angkanaporn, Monkon Trisiriroj

The Thai Journal of Veterinary Medicine

No abstract provided.


Ophthalmology Snapshot, Nalinee Tuntivanich Sep 2007

Ophthalmology Snapshot, Nalinee Tuntivanich

The Thai Journal of Veterinary Medicine

No abstract provided.


What Is Your Diagnosis?, Pranee Tuntivanich, Suwicha Chuthatep Sep 2007

What Is Your Diagnosis?, Pranee Tuntivanich, Suwicha Chuthatep

The Thai Journal of Veterinary Medicine

No abstract provided.


Assisted Reproduction Techniques In Horses: The Challenge, Theerawat Tharasanit, Mongkol Techakumphu Sep 2007

Assisted Reproduction Techniques In Horses: The Challenge, Theerawat Tharasanit, Mongkol Techakumphu

The Thai Journal of Veterinary Medicine

Assisted reproduction techniques (ARTs), such as artificial insemination and embryo transfer are well established and have been used in a wide range of species. To date, the economic impact of these ARTs in horses has rapidly increased. While many studies have attempted to improve the efficiency of ARTs, overall success remains relatively restricted due principally to a limited knowledge of the unique reproductive physiology of this species. Improving efficiency of particular techniques has become an affordable milestone in the development of ARTs in equine reproduction.


Effects Of A Beta Adrenergic Antagonist Combined With Vasodilators On Cardiac Arrhythmia In Ischemic-Induced Rat Hearts, Promporn Raksaseri, Wuthichai Klomkleaw, Suwanakiet Sawangkoon Jun 2007

Effects Of A Beta Adrenergic Antagonist Combined With Vasodilators On Cardiac Arrhythmia In Ischemic-Induced Rat Hearts, Promporn Raksaseri, Wuthichai Klomkleaw, Suwanakiet Sawangkoon

The Thai Journal of Veterinary Medicine

Sixty male Spraque-Dawley rats were used in this study. The hearts were isolated and placed on a constant-pressure Langendorff apparatus, and perfused with only Krebs-Henseleit buffer (control), atenolol, atenolol plus prazosin, and atenolol plus salbutamol. After that the left anterior descending artery was occluded for 8 minutes and reperfused for 30 minutes to induce cardiac arrhythmias. The left ventricular pressure and coronary flow rate were monitored, and ECGs were recorded to evaluate cardiac arrhythmias. The administration of atenolol (β1-adrenergic antagonist) combined with prazosin (α1-adrenergic antagonist) prolonged RR intervals whereas that of atenolol combined with salbutamol (β2-adrenergic antagonist) did not prolong …


What Is Your Diagnosis?, Pranee Tuntivanich, Suwicha Chuthatep Jun 2007

What Is Your Diagnosis?, Pranee Tuntivanich, Suwicha Chuthatep

The Thai Journal of Veterinary Medicine

No abstract provided.


Success Rate And Postoperative Complications Of Phacoemulsification In 25 Cataractous Eyes : A Retrospective Study In 20 Dogs (2003-2005), Pasakorn Brikshavana Jun 2007

Success Rate And Postoperative Complications Of Phacoemulsification In 25 Cataractous Eyes : A Retrospective Study In 20 Dogs (2003-2005), Pasakorn Brikshavana

The Thai Journal of Veterinary Medicine

Phacoemulsification was performed on 25 eyes of 20 dogs (7 females and 13 males) with a mean patient age ± SD at the time of surgery of 8.12 ± 2.76 years (range 4-14.5 years). The medical records were reviewed for surgical outcome and postoperative complications. Success rate was calculated by determining the number of successful eyes divided by the total number of the eyes in the studied group. The results showed that restoration of functional vision was noted in 24/25 eyes at the end of the study. The success rate of this study was 96%. The most frequently observed complication …


Ultrasound Diagnosis, Phiwipha Kamonrat Jun 2007

Ultrasound Diagnosis, Phiwipha Kamonrat

The Thai Journal of Veterinary Medicine

No abstract provided.


Editor’S Note, Roongroje Thanawongnuwech Jun 2007

Editor’S Note, Roongroje Thanawongnuwech

The Thai Journal of Veterinary Medicine

No abstract provided.


Phacofragmentation And Aspiration In Canine Mature Cataract: Surgical Technique, Success Rate And Complications, Pranee Tuntivanich, Nalinee Tuntivanich Jun 2007

Phacofragmentation And Aspiration In Canine Mature Cataract: Surgical Technique, Success Rate And Complications, Pranee Tuntivanich, Nalinee Tuntivanich

The Thai Journal of Veterinary Medicine

Phacofragmentation and aspiration technique without intraocular lens implantation was reported in 26 mature cataractous dogs. Dogs included in this study were 13 Poodles, 6 crossbred dogs, 4 Cocker spaniels, 1 Shih-tzu, 1 West Highland white terrier and 1 Miniature pinscher. All dogs were clinically blinded from bilateral mature cataracts with positive dazzle reflex prior to the surgery. 24 dogs (92.31%) regained vision after the surgery which remained until the end of the study. Vitreous degeneration was found pre-operatively in one dog. Hyphema, displacement of lens into vitreous chamber, rupture of the posterior lens capsule and miosis were found intra-operatively in …


Surveillance Of Mycoplasma Gallisepticum Infection In Mixed Thai Native Chickens In The Area Of Nakornpathom Province, Somsak Pakpinyo, Somkid Khanda, Thawat Lekdamrongsak Jun 2007

Surveillance Of Mycoplasma Gallisepticum Infection In Mixed Thai Native Chickens In The Area Of Nakornpathom Province, Somsak Pakpinyo, Somkid Khanda, Thawat Lekdamrongsak

The Thai Journal of Veterinary Medicine

This study was to conduct a surveillance of Mycoplasma gallisepticum (MG) infection in mixed Thai native chickens. Samples were submitted from 30 mixed Thai native chicken flocks, 15 birds per flock, aged between 1 and 4 months without MG vaccination in the area of Nakornpathom province during the September 2005 - October 2006 period. Each bird was bled for MG serology by a serum plate agglutination (SPA) test and enzyme linked immunosorbent assay (ELISA) test kits and swabbed for MG antigen detection by polymerase chain reaction (PCR) technique. Results revealed that the positive reactors detected by the SPA test, ELISA …


Ecg Quiz, Chollada Buranakarl, Kris Angkanaporn Jun 2007

Ecg Quiz, Chollada Buranakarl, Kris Angkanaporn

The Thai Journal of Veterinary Medicine

No abstract provided.


Ophthalmology Snapshot, Nalinee Tuntivanich Jun 2007

Ophthalmology Snapshot, Nalinee Tuntivanich

The Thai Journal of Veterinary Medicine

No abstract provided.


Prevention And Control Of Respiratory Diseases Excluding Mycoplasma Hyopneumoniae, Stanley Done, David Burch Jun 2007

Prevention And Control Of Respiratory Diseases Excluding Mycoplasma Hyopneumoniae, Stanley Done, David Burch

The Thai Journal of Veterinary Medicine

Significant changes in respiratory disease have occurred over the last 20 years. There are two primary reasons for this. In the first instance, there has been the occurrence of two major worldwide plagues-PRRS and PCV2-associated diseases. The second reason has been the considerable advances in vaccination, which have become available for some of the respiratory diseases, in particular Mycoplasma hyopneumoniae. Vaccines have also become available for porcine reproductive and respiratory syndrome virus (PRRS), influenza viruses (outside UK) and probably in the near future against porcine circovirus type 2 (PCV2).


Body Weight Formulation In Asian Elephant, Sumolya Kanchanapangka, Sunisa Supawong, Klinsukon Koedlab, Jirasak Kaewpannarai, Puttipong Khawnual, Padet Tummaruk, Kriengyot Sajjarengpong Mar 2007

Body Weight Formulation In Asian Elephant, Sumolya Kanchanapangka, Sunisa Supawong, Klinsukon Koedlab, Jirasak Kaewpannarai, Puttipong Khawnual, Padet Tummaruk, Kriengyot Sajjarengpong

The Thai Journal of Veterinary Medicine

Accurate estimation of body weight is useful for feeding program evaluation, assessing nutritional status and general health, and for accurate dose calculation in medical treatment. However, it is impractical to weigh elephants due to their enormous size and tremendous weight, and also due to the lack of a suitable weighing machine. The objective of the present study was to correlate various body measurements and actual body weight of the elephant in order to formulate a regression model to approximate the body weight of the elephant from body measurements. Seventy-eight Asian elephants (Elephas maximus indicus) comprising 18 males and 60 females, …


Dogs Spermatozoa Labelling With 99mtc-Hmpao, Kaywalee Chatdarong, Eva Axnér, Bernt Jones, Catharina Linde Forsberg Mar 2007

Dogs Spermatozoa Labelling With 99mtc-Hmpao, Kaywalee Chatdarong, Eva Axnér, Bernt Jones, Catharina Linde Forsberg

The Thai Journal of Veterinary Medicine

The study was aimed at finding out whether dog sperm could be labelled using 99mTc-HMPAO and finding the optimum incubation temperature and amount of 99mTc-HMPAO to label spermatozoa from fresh ejaculates and from frozen-thawed semen. A radiopharmaceutical was prepared by reconstituting 0.5 mg of HMPAO with 5 ml pertechnetate solution containing 100 kBq 99mTc. Semen samples were obtained from three dogs, pooled and divided into aliquots containing 100x106 spermatozoa each. Fresh and frozen-thawed semen samples were used. In experiment 1, the fresh and frozen-thawed spermatozoa were incubated with 99mTc-HMPAO at 20oC or 37oC for 20 min. In experiment 2, 0.01, …


Congenital Oesophageal Stenosis In A Puppy, Churee Pramatwinai Mar 2007

Congenital Oesophageal Stenosis In A Puppy, Churee Pramatwinai

The Thai Journal of Veterinary Medicine

An extremely rare case of congenital oesophageal stenosis in a two-month-old, male, miniature pincher dog was reported. The puppy was presented at the Small Animal Teaching Hospital, Faculty of Veterinary Science, Chulalongkorn University, with a history of an acute onset of regurgitation at the time of weaning on to solid food. Contrast radiography of the oesophagus showed that the oesophagus at the cervical and thoracic-inlet portions was moderately dilated. Upon oesophagoscopic examination, the oesophageal lumen adjacent to the heart base showed intraluminal stenosis. The mucosa was normal and the stenotic opening was localized at the center of the lumen. Upon …


Strategies For The Control Of Respiratory Disease, Stanley Done Mar 2007

Strategies For The Control Of Respiratory Disease, Stanley Done

The Thai Journal of Veterinary Medicine

This is a paper about common sense and respiratory disease using information that has been known for some time i.e. historical, and which is not accessed when a literary search is supplied by a computer. Respiratory disease in pigs has its most serious effects in the finishing stages, when the sequelae to progressive atrophic rhinitis, enzootic pneumonia and Actinobacillosis are most severe. Nowadays this relatively simple position is even more complicated by the worldwide occurrence of porcine reproductive and respiratory syndrome (PRRS) and porcine circovirus type 2 (PCV-2)-associated diseases principally PMWS where no vaccination is practised. Up to 80% of …


The Molecular Identification Of Mycoplasma Haemofelis And Mycoplasma Haemominutum In Cats Suffering From Haemoplasmosis In Thailand, Sudchit Chungpivat, Meena Sarikaputi, Supparin Jirasukprasert, Siriluk Jenchangkol, Nareerat Viseshakul Mar 2007

The Molecular Identification Of Mycoplasma Haemofelis And Mycoplasma Haemominutum In Cats Suffering From Haemoplasmosis In Thailand, Sudchit Chungpivat, Meena Sarikaputi, Supparin Jirasukprasert, Siriluk Jenchangkol, Nareerat Viseshakul

The Thai Journal of Veterinary Medicine

Haemotrophic Mycoplasma is the obligatory bacteria formerly classified to the genus Haemobartonella. This blood mycoplasma is responsible for the cause of a cat disease, haemoplasmosis or feline infectious anemia (FIA). The housed cats evidenced by cachexia, high fever and a certain degree of anemic condition have been reported with FIA worldwide. However, this disease is only a presumptive case in Thailand where the disease is presumably endemic. We examined two cats suffering from FIA tested with the standard microscopic examination. With the destruction of erythrocytes, one cat had only a mild clinical condition while the other was severe. The parasitized …


Pathological Study Of Helicobacter Spp. Infection In Pig Stomachs, Nopadon Pirarat, Veerasak Sada, Supradit Wangnaitham, Boonmee Sunyasootcharee Mar 2007

Pathological Study Of Helicobacter Spp. Infection In Pig Stomachs, Nopadon Pirarat, Veerasak Sada, Supradit Wangnaitham, Boonmee Sunyasootcharee

The Thai Journal of Veterinary Medicine

pathological study of Helicobacter spp. infection in pigs was performed to determine the incidence of Helicobacter spp. infection, and to define the relationship between Helicobacter spp. infection and the histopathological changes of gastric mucosa in pigs, using Warthin Starry stain and immunohistochemistry. A total of 115 biopsies of the cardia, fundus, body and pyloric antrum of swine (mean weight 150 kg) obtained from slaughterhouses in Nakornpathom province (Thailand) were investigated. Histopathological results of the cardia region showed thickening of mucosa 54.78% (63/115), vacuolated degeneration of the epithelium 83.47% (96/115), lymphoid aggregation 74.78% (86/115), inflammatory cells infiltration 38.26% (44/115) and neovascularized …


Ecg Quiz, Chollada Buranakarl, Kris Angkanaporn Mar 2007

Ecg Quiz, Chollada Buranakarl, Kris Angkanaporn

The Thai Journal of Veterinary Medicine

No abstract provided.


Ophthalmology Snapshot, Nalinee Tuntivanich Mar 2007

Ophthalmology Snapshot, Nalinee Tuntivanich

The Thai Journal of Veterinary Medicine

No abstract provided.


Ultrasound Diagnosis, Phiwipha Kamonrat Mar 2007

Ultrasound Diagnosis, Phiwipha Kamonrat

The Thai Journal of Veterinary Medicine

No abstract provided.


Editor’S Note, Roongroje Thanawongnuwech Mar 2007

Editor’S Note, Roongroje Thanawongnuwech

The Thai Journal of Veterinary Medicine

No abstract provided.