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Fourteen calves were used to investigate the changes from birth to 83 days of age in the concentrations of serum albumin, alkaline phosphatase, beta-hydroxybutyrate, plasma cortisol, serum creatine kinase, creatinine, iron, plasma fibrinogen, serum gamma-glutamyl transferase, plasma glucose, haptoglobin, serum non-esterified fatty acids, total protein, transferrin, triglycerides, urea and gamma globulin; the haematological variables measured were: basophils, eosinophils, haematocrit, haemoglobin, lymphocytes, mean cell haemoglobin, mean cell haemoglobin concentration, mean cell volume, monocytes, band neutrophils, neutrophils, platelets, red blood cells and white blood cells. The changes are presented as a series of graphs and the values are discussed in relation to the published reference ranges for adult cattle. Two populations of calves were identified which gave rise to a bimodal distribution for some of the variables. Differences in haematocrit, haemoglobin and red blood cell counts were apparent at birth, with raised values for these measurements being associated with an increased white blood cell and neutrophil count between three and 27 days of age.
Vet Rec 2000 Nov 18
PMID:Changes in the blood biochemical and haematological profile of neonatal calves with age. 1111 Apr 79

A new hereditary disease characterised by renal failure, poor growth and long hooves in Japanese Black cattle (wagyu) has been recognised in a region of central Japan since 1990. The number of calves affected has increased gradually, with the incidence reaching 17 of 485 (3.51 per cent) in 1995. Almost all the calves were slightly undersized at birth, and repeatedly had diarrhoea during the neonatal period. They began to show signs of growth retardation with proportional body and elongation of the hooves from about two to five months of age, but they had an almost normal or only slightly decreased appetite. The concentrations of urea nitrogen, creatinine and inorganic phosphorus in serum were high, and the affected calves excreted diluted urine frequently. Among 25 cases, the urine of 21 contained occult blood, 24 contained protein and two contained glucose. In 29 calves observed for 30 to 130 days, the course of the disease varied; in 21 of them it remained unchanged, six became gradually worse and two became severely debilitated and died. The disease was diagnosed as renal tubular dysplasia by histopathological examination.
Vet Rec 2001 Jul 28
PMID:Clinical features of renal tubular dysplasia, a new hereditary disease in Japanese Black cattle. 1150 3

This paper describes the clinical findings and treatment of 67 sheep and goats with listeriosis. In 55 of them the diagnosis was made on the basis of the typical signs, which included vestibular ataxia, circling, head tilt and unilateral cranial nerve deficits, but in 12 animals a definitive diagnosis was made only after postmortem examination. The most significant haematological and biochemical findings were a high haematocrit in 16 animals, a high concentration of total protein in 33, a high concentration of bilirubin in 39 and a high concentration of urea nitrogen in 28 animals. Twenty-eight of the animals had a metabolic acidosis. Thirty-nine animals were treated with antibiotics, intravenous sodium chloride and glucose solutions and sodium bicarbonate. Ten of them survived and the others were euthanased because their condition deteriorated. Of the 10 that survived, nine were able to stand when they were first examined and one was in lateral recumbency. Of 15 animals treated with chloramphenicol, one survived; of 11 animals treated with oxytetracycline, two survived; and of nine animals treated with gentamicin and ampicillin, six survived.
Vet Rec 2002 Jan 12
PMID:Clinical findings and treatment of listeriosis in 67 sheep and goats. 1182 65

The relationship between milk urea concentration and the fertility of dairy cows was examined in two studies. The first examined the relationship between bulk milk urea concentration and overall herd fertility, using data collected from 250 herds in the UK. There was no relationship either between bulk milk urea concentration and fertility, or between changes in bulk milk urea concentration and fertility. The second study compared the relationship between the milk urea concentration five days after service, and the fertility of individual cows on 11 UK dairy farms. There was no significant difference between the milk urea concentration of the cows that became pregnant and those that did not.
Vet Rec 2002 Oct 05
PMID:Relationship between milk urea concentration and the fertility of dairy cows. 1240 29

The concentrations of magnesium and calcium in the serum and urine and their rates of clearance were determined in cattle with renal tubular dysplasia, an autosomal recessive hereditary disease associated with a deletion of the paracellin-1 gene in Japanese Black cattle. There were no significant differences in the serum or urine magnesium concentrations between normal cattle and cattle which were heterozygous or homozygous for the condition. Serum calcium concentrations tended to be lower in the homozygous cattle, and the serum creatinine and urea nitrogen concentrations were significantly higher in the homozygous cattle. The ratio of magnesium:creatinine and the fractional excretion of magnesium were higher in cattle with the disease than in normal cattle. There were no significant differences in urine calcium concentration, the calcium:creatinine ratio, and fractional excretion of calcium between normal cattle and cattle which were homozygous or heterozygous for the condition. The creatinine clearance was significantly lower in the homozygous cattle than in normal cattle. The clearance, excretion rate, reabsorption rate and reabsorption rate:clearance ratio of magnesium in cattle with renal tubular dysplasia were significantly lower than in normal cattle. The clearance rate and reabsorption rate of calcium were also significantly lower in the affected cattle, but the excretion rate and reabsorption rate:clearance of calcium were not different between the normal cattle and the cattle homozygous for the condition. In cattle with the condition the rate of reabsorption of magnesium by the kidneys was low, but the rate of reabsorption of calcium was normal.
Vet Rec 2002 Sep 28
PMID:Renal reabsorption of magnesium and calcium by cattle with renal tubular dysplasia. 1240 19

Rodent models of polycystic kidney disease (PKD) have provided valuable insight into the cellular changes associated with cystogenesis in humans. The present study characterizes the morphology of renal and extrarenal pathology of autosomal recessive PKD induced by the wpk gene in Wistar rats. In wpk(-/-) rats, proximal tubule and collecting duct cysts develop in utero and eventually consume the kidney. Increased apoptosis, mitosis, and extracellular tenascin deposition parallel cyst development. Extrarenal pathology occurs in the immune system (thymic and splenic hypoplasia) and central nervous system (CNS; hypoplasia to agenesis of the corpus callosum with severe hydrocephalus). Severity of hydrocephalus varied inversely with size of the corpus callosum. In wpk(-/-) rats, the corpus callosum exhibits relatively few axons that cross the midline. This CNS pathology is similar to that described in three human renal cystic syndromes: orofaciodigital, genitopatellar, and cerebrorenal-digital syndromes. Collecting duct and ventricular ependymal cilia appear morphologically normal. To determine if rodent background strain and the presence of modifier genes affect severity of the disease, we crossed the Wistar-wpk rat with Brown Norway (BN) and Long Evan (LE) rats and found the degree of renal and cerebral pathology was diminished as evidenced by lower kidney weight as a percent of body weight and serum urea nitrogen concentration in cystic rats on LE or BN strains as well as less prominent cranial enlargement. Crosses with BN rats allowed us to localize the wpk gene on chromosome 5 very close to the D5Rat73 marker. The wpk gene lies within a chromosomal region known to harbor a PKD modifier locus. In summary, the types of renal and cerebral pathology seen in the Wistar wpk rat are a unique combination seen only in this rodent model.
Anat Rec A Discov Mol Cell Evol Biol 2004 Apr
PMID:Development of multiorgan pathology in the wpk rat model of polycystic kidney disease. 1505 65

Blood samples were taken from the ventral coccygeal vein of 15 El Hierro giant lizards (Gallotia simonyi) (seven females and eight males), six La Gomera giant lizards (Gallotia bravoana) (four males and two females) and four Tenerife giant lizards (Gallotia intermedia) (two males and two females), and 31 blood parameters were measured. Among the haematological parameters there were significant differences between the three species in heterophils, azurophils and lymphocytes, but no significant differences in red blood cell count, white blood cell count, haemoglobin, packed-cell volume, monocytes, eosinophils and basophils. In terms of blood chemistry there were significant differences between the three species in cholesterol, triglycerides, glucose, sodium, chloride, urea, uric acid, total proteins, prealbumin, albumin and gamma globulins, but no significant differences in calcium, potassium, aspartate aminotransferase, alanine aminotransferase, creatine kinase, bile acids, alpha-1 and alpha-2 globulins and beta globulins.
Vet Rec 2004 Aug 28
PMID:Comparative haematology and blood chemistry of endangered lizards (Gallotia species) in the Canary Islands. 1546 64

Thirty-two dogs undergoing operations to repair a torn cranial cruciate ligament or a fractured long bone were randomly allocated to one of two treatment groups in a study on postoperative pain. Sixteen of the dogs were given 4 mg/kg carprofen and the other 16 were given 0.2 mg/kg meloxicam subcutaneously before the operation. The signs of pain shown by the animals were assessed for 24 hours on a visual analogue scale, a discontinuous scoring system, and a score based on five behavioural and physiological variables. The dogs' heart and respiratory rates and their mean arterial blood pressures were also measured non-invasively at each assessment. Blood samples were taken before the surgery and 24 hours after it, and the concentrations of urea and creatinine were measured in plasma. Both drugs were effective in relieving the signs of pain for up to 24 hours in all the dogs. There were no significant changes in the concentrations of urea and creatinine, and no adverse effects were reported during the postoperative period.
Vet Rec 2004 Nov 20
PMID:Comparison of the analgesic effects of meloxicam and carprofen administered preoperatively to dogs undergoing orthopaedic surgery. 1563 8

Blood samples were taken from 75 free-ranging southern chamois (Rupicapra pyrenaica) captured in drive-nets in Catalonia, north-eastern Spain, and 20 haematological and 24 serum biochemical variables were analysed. The values were similar to those of other species of the Caprinae subfamily, except for cortisol, the concentration of which was higher. The red blood cell count (RBC), platelets and leucocytes, and the concentrations of cortisol, lactate, muscular enzymes and gamma-globulins were higher in summer than in spring, whereas the mean corpuscular volume, mean corpuscular haemoglobin, mean corpuscular haemoglobin concentration, and the concentrations of cholesterol, total bilirubin and creatinine were lower. Adult males had higher RBCs and haemoglobin values than females in summer, and lower leucocyte, lymphocyte and neutrophil counts than females and yearling males. The concentrations of triglycerides, total bilirubin, lactate, creatinine, urea, chloride and alpha2-globulins were higher in adult males than yearling males. In summer the adult females had higher values for platelets, lymphocytes, cortisol, sodium and muscular enzymes.
Vet Rec 2006 Apr 08
PMID:Haematological and serum biochemical values of southern chamois (Rupicapra pyrenaica). 1660 53

The clinical findings and treatment of 94 cattle with listeriosis are described. The general behaviour and condition of the animals were mostly moderately to severely disturbed. A common abnormality in posture was an exaggerated forward or sideward stance, and 11 of the animals were recumbent. More than half of the animals were ataxic and 22 circled. The most frequent cranial neurological signs observed were facial nerve paralysis, salivation, strabismus, reduced or absent pupillary light reflex, reduced or absent tongue movement and head tilt. The haematological and biochemical findings did not contribute to the diagnosis of listeriosis, but they were useful indicators of dehydration and the acid-base status of the animal. Forty-four of 57 of the animals had high leucocyte counts in the cerebrospinal fluid (CSF), mostly mononuclear cells. Eighty-seven of the animals were treated with various antibiotics (penicillin G, oxytetracycline, amoxicillin, and amoxicillin and gentamicin combined), but there was no significant difference in the success rate of the different treatments. Only two of the nine recumbent animals that were treated survived. Univariable analysis suggested that animals that were recumbent, excited, with an absent or weak menace reflex, nystagmus, high numbers of leucocytes in the CSF, high serum concentrations of urea and calcium and high serum activities of aspartate aminotransferase and creatine kinase, and an acid-base deficit, had a smaller chance of surviving. When a logistic regression model was constructed, only recumbency, excitement and a weak or absent menace reflex remained significant factors affecting the likelihood of survival.
Vet Rec 2006 Apr 29
PMID:Clinical findings and treatment of 94 cattle presumptively diagnosed with listeriosis. 1664 39


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