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 58,342 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Within 45 minutes after mating in the rabbit, numerous heterophil leukocytes adhere to the endothelium of venules in the vagina. Initial association appears to occur via small protuberances from the leukocyte which fit into small indentions in the endothelial cell. Following adherence, leukocytes flatten and pass between endothelial cells. A regular intercellular space separates the leukocyte from the endothelial cells. Leukocytes subsequently migrate through the connective tissue to the epithelium. By three hours postcoitus, the region beneath the basement lamina of the vaginal epithelium is crowded with numerous juxtaposed leukocytes. Leukocytes subsequently migrate between epithelial cells into the vaginal lumen where they actively engulf spermatozoa. Spermatozoa appear to be ingested head first. Numerous small filaments are observed in the leukocyte cytoplasm in the region adjacent to the sperm head. Degranulation of azurophyl granules follows sperm uptake. The leukocyte response can be elicited either by spermatozoa (from the epididymis) or by semen (from vasectomized bucks), but is not elicited by ovulation (with human chorionic gonadotropin). It is suggested that the response may be initiated because the vagina does not distinguish between semen, spermatozoa and bacterial infection.
Anat Rec 1977 Sep
PMID:Leukocyte emigration and migration in the vagina following mating in the rabbit. 56 80

An outbreak of melioidosis, a bacterial infection caused by Pseudomonas pseudomallei, was identified in a batch of feral cynomolgus monkeys (Macaca fascicularis) imported to Britain from the Philippines. Thirteen confirmed or possible cases occurred among a batch of 50 animals. Subsequent investigations revealed that the infection was uncommon among imported primates from a variety of sources, although three other cases were identified in monkeys imported from Indonesia. The majority of the affected monkeys had splenic abscesses, and hepatic abscesses and infections of the soft tissues and skin were also frequently observed. Most of the infected animals had no clinical signs despite extensive abscesses, and the presence of infection was only suspected when they were shown to have serum antibodies to P pseudomallei by an enzyme-linked immunosorbent assay. Although there was no evidence of cross infection of other animals or human handlers, this outbreak is a reminder of the dangers of working with wild-caught primates and the potential for the establishment of environmental foci of melioidosis.
Vet Rec 1992 Jun 13
PMID:An outbreak of melioidosis in imported primates in Britain. 127 82

The teat ends of 12 dry cows were contaminated with Corynebacterium pyogenes. To determine whether a pre-existing (an)aerobic bacterial infection of the udder was a predisposing factor for a C pyogenes mastitis they included infected and uninfected quarters. Anaerobic bacteria could not be found and mastitis was not induced. When the teats were contaminated with C pyogenes after the teat ends had been injured 30 of the quarters became infected, and anaerobic bacteria were demonstrated in many quarters.
Vet Rec 1991 Jan 19
PMID:Effect of damage to the teat end on the experimental induction of mastitis in dry cows with Corynebacterium pyogenes. 202 82

In a retrospective survey of fibrinogen levels and neutrophil counts in 388 blood samples from mammals suffering from bacterial infection, the combined results of the two tests provided positive confirmation of infection in a greater percentage of samples than did the results of either test alone. In Perissodactyla, Artiodactyla and Proboscidea, the fibrinogen level was abnormal more often than the neutrophil count. It was concluded that a fibrinogen estimation is a valuable addition to routine haematological screening procedures in mammals.
Vet Rec 1987 Nov 28
PMID:Fibrinogen levels in mammals suffering from bacterial infections. 343 36

An experimental disseminated intravascular coagulation (DIC) was induced in female CD rats by the intravenous administration of living bacteria (9.5 x 10(7) cfu Klebsiella pneumoniae), sublethal (5 mg/kg) or lethal (50 mg/kg) lipopolysaccharide (LPS), or tissue factor (1.5 micrograms/kg i.v. bolus or 0.4 micrograms/kg x hr i.v. infusion). We used a new fibrin monomer (FM) assay to follow the course of DIC. FM were detected by their ability to stimulate the tissue-type (t-PA) plasminogen activator dependent conversion of plasminogen to plasmin by a chromogenic assay. Miniplasminogen was used instead of plasminogen to avoid interference of the assay by alpha 2-antiplasmin. As a marker of DIC, elevated levels of FM were observed with all DIC-inducing agents (plasma levels were up to 90 micrograms/ml). The kinetics of FM formation were similar to the course of thrombin-antithrombin III (TAT) levels (maximal plasma levels 70 ng/ml); however, in the bacterial infection group, both parameters rose after a lag phase of about 1 hr. A 4 hr infusion of the highly specific thrombin inhibitor recombinant (rec.) hirudin (0.125 mg/kg x hr) resulted in a decrease of FM levels from 89.2 +/- 14.4 micrograms/ml in the LPS group (n = 10) to 27.4 +/- 11.2 micrograms/ml in the rec. hirudin group (n = 10; P < 0.001). The respective values for TAT levels were 73.1 +/- 19.7 micrograms/ml in the LPS group and 52.7 +/- 15.7 ng/ml in the rec. hirudin group (P < 0.001). Other coagulation parameters, such as platelets, fibrinogen, and fibrin(ogen) degradation products, were ameliorated accordingly.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Formation of fibrin monomers in experimental disseminated intravascular coagulation and its inhibition by recombinant hirudin. 805 64

An automated method for the estimation of the acute phase protein haptoglobin was developed and used to compare the blood haptoglobin concentrations of 42 sheep examined post mortem with other haematological findings in infectious and non-infectious conditions. Haptoglobin was also assayed in 863 sheep from nine apparently normal flocks; of these sheep seven per cent had significantly raised haptoglobin levels. The studies showed that haptoglobin was useful as a marker for the presence of bacterial infection in sheep, and was more sensitive, specific and efficient and less likely to give false positive and negative results than a haematological examination.
Vet Rec 1994 Jan 08
PMID:Haptoglobin as an indicator of infection in sheep. 813 4

The pathological, microbiological and serological findings in harbour porpoises hunted in Greenlandic waters were compared with the findings in animals accidentally caught in fishing gear in the German North Sea and Baltic Sea. The body condition of the Greenlandic animals was good, whereas nine of 23 German harbour porpoises were moderately to markedly emaciated. Both groups were infested with parasites. In the Greenlandic animals parasitism of the aural peribullar cavity with Stenurus minor, of the liver and pancreas with Orthosplanchnus mironovi, of the lungs with Halocercus species and of the subcutaneous and mammary tissue with Crassicauda species was generally associated with a mild inflammatory response. No diseases associated with bacteria were identified in any of the Greenlandic harbour porpoises. In the porpoises from the German North Sea and Baltic Sea, parasites were present in the aural peribullar cavity (S minor), liver (Campula oblonga), first and second gastric compartment (Anisakis simplex) and in the lungs (Pseudalius inflexus and Torynurus convolutus). Moderate to marked pulmonary parasitism and suppurative pneumonia, not observed in the Greenlandic porpoises, were present in 11 and 10, respectively, of the 23 German porpoises. The suppurative pneumonia was attributed to bacterial infection with beta-haemolytic streptococci and Escherichia coil var haemolytica. Four Greenlandic and 10 German porpoises had positive porpoise morbillivirus-specific antibody titres suggesting that the virus was circulating in both populations.
Vet Rec 2001 Jun 09
PMID:Evidence of infectious diseases in harbour porpoises (Phocoena phocoena) hunted in the waters of Greenland and by-caught in the German North Sea and Baltic Sea. 1143 Jun 82

The medical records of 53 horses with purpura haemorrhagica were reviewed. Seventeen of them had been exposed to or infected with Streptococcus equi, nine had been infected with Corynebacterium pseudotuberculosis, five had been vaccinated with S. equi M protein, five had had a respiratory infection of unknown aetiology, and two had open wounds; the other 15 cases had no history of recent viral or bacterial infection. The horses were between six months and 19 years of age (mean 8.4 years). The predominant clinical signs were well demarcated subcutaneous oedema of all four limbs and haemorrhages on the visible mucous membranes; other signs included depression, anorexia, fever, tachycardia, tachypnoea, reluctance to move, drainage from lymph nodes, exudation of serum from the skin, colic, epistaxis and weight loss. Haematological and biochemical abnormalities commonly detected were anaemia, neutrophilia, hyperproteinaemia, hyperfibrinogenaemia, hyperglobulinaemia and high activities of muscle enzymes. All of the horses were treated with corticosteroids; 42 also received non-steroidal anti-inflammatory drugs and 26 received antimicrobial drugs. Selected cases received special nursing care, including hydrotherapy and bandaging of the limbs. Most of the horses were treated for more than seven days and none of them relapsed. Forty-nine of the horses survived, one died and three were euthanased, either because their severe clinical disease failed to respond to treatment or because they developed secondary complications. Two of the four non-survivors had been vaccinated against S. equi with a product containing the M protein, one had a S. equi infection and the other had a respiratory infection of undetermined aetiology.
Vet Rec 2003 Jul 26
PMID:Purpura haemorrhagica in 53 horses. 1291 29

The temperature of 90 dairy cattle was recorded for the first 10 days after parturition and the animals were categorised as either normal (< 39.7 degreesC) or pyrexic. Swabs were collected from the uterine lumen seven, 14, 21 and 28 days after parturition for aerobic and anaerobic culture; bacteria were identified and their growth was scored semiquantitatively. Blood samples were collected three times a week for the estimation of the concentrations of acute phase proteins. The cows' temperatures were often above the accepted normal range, but it was not a good indicator of the number of bacteria in the uterus. However, pyrexia was correlated with the presence of specific uterine pathogens (P < 0.05) and in particular with Prevotella species (P < 0.01). The pyrexic animals had a higher plasma concentration of the acute phase protein (alpha1-acid glycoprotein (P < 0.05). Although pyrexia is an indicator of postpartum inflammation, additional clinical signs are necessary to identify uterine bacterial infection.
Vet Rec 2004 Mar 06
PMID:Association between postpartum pyrexia and uterine bacterial infection in dairy cattle. 1505 35

This paper describes the causes of death of 54 maras (Dolichotis patagonum) in a captive colony in Mexico over a period of seven years. There were 35 adults, 11 juveniles, five neonates, two fetuses and one stillbirth--27 males, 21 females and six whose sex was not determined. Trauma was the cause of 25 deaths, and there were eight cases of fatal bacterial infection. Besnoitiosis was the only parasitic disease found frequently (13 cases), and was associated with fatal interstitial pneumonia in three juveniles. Right-sided hypertrophic cardiomyopathy attributed to high altitude was observed in 26 maras, and in three cases death was attributed to acute cardiac dysfunction. Two maras died of disseminated histoplasmosis and two of hyperthermia. Additional causes of death included one case each of uterine torsion, intestinal intussusception, aspiration pneumonia and hydranencephaly. Gastric erosions with luminal haemorrhage were found in 27 of the maras and splenic lymphoid depletion in 20, changes that were attributed to stress.
Vet Rec 2006 May 27
PMID:Pathological findings in a captive colony of maras (Dolichotis patagonum). 1673 3


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