TRAUMATIC RETICULOPERITONITIS IN CATTLE PDF

The present study was carried out to describe the clinical picture of traumatic reticuloperitonitis TRP in water buffalo Bubalus bubalis and to evaluate the inflammatory and immunologic responses for this clinical condition. Twenty-two buffalo with acute local TRP were monitored in our study. Additionally, 10 clinically healthy buffalo were randomly selected and served as controls. Our findings suggest that the examined immunologic variables were helpful in documenting the inflammatory response in buffalo with TRP. However, their diagnostic usefulness only becomes apparent when considered in tandem with the clinical findings for any given animal, its anamnesis, and a subsequent USG assessment. Due to the frequent complications of TRP, more accurate indicators of its occurrence and severity would be useful.

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The present study was carried out to describe the clinical picture of traumatic reticuloperitonitis TRP in water buffalo Bubalus bubalis and to evaluate the inflammatory and immunologic responses for this clinical condition.

Twenty-two buffalo with acute local TRP were monitored in our study. Additionally, 10 clinically healthy buffalo were randomly selected and served as controls. Our findings suggest that the examined immunologic variables were helpful in documenting the inflammatory response in buffalo with TRP. However, their diagnostic usefulness only becomes apparent when considered in tandem with the clinical findings for any given animal, its anamnesis, and a subsequent USG assessment.

Due to the frequent complications of TRP, more accurate indicators of its occurrence and severity would be useful. Water buffalo Bubalus bubalis have a special importance in milk and meat production in the Nile River valley in Egypt [ 1 ] where the species can compete successfully and surpass the cattle in its ability to adapt to hot climates and swampy landscapes [ 2 ].

Insults and infections of the bovine forestomach from ingested foreign bodies are relevant worldwide and are economically significant due to livestock fatalities and production losses. Traumatic reticuloperitonitis TRP and allied syndromes are among the most commonly occurring diseases of the digestive tract of bovines that have been a concern for veterinarians over many years [ 3 ]. Bovines are more likely to ingest foreign bodies than small ruminants since they do not use their lips for prehension and will ingest foreign bodies in feedstuffs that may puncture or perforate the reticulum.

The risk and sequelae of TRP syndrome are considerably higher in buffalo than in cattle [ 4 ] and extremely common within developing countries, possibly due to less organized small-scale farming and the unsatisfactory standards of animal management and feeding regimes.

The clinical signs associated with TRP are consistent with an acute localized peritonitis including anorexia, fever, tachypnea, and lordosis with abducted elbows [ 5 , 6 ]. The diagnosis of TRP is challenging because the development of this syndrome is a complex process and could coincide with other syndromes [ 7 ].

However, the initial diagnosis of TRP is primarily based upon clinical signs and laboratory findings and confirmed by radiography and ultrasonography [ 5 , 6 ]. Acute phase proteins APPs have become a focus for researchers in human diagnostic medicine and have recently been identified in various animal species [ 8 ].

APPs are plasma proteins of hepatic origin that are mainly synthesized during the acute phase response APR. APR is a component of the innate immune response and is observed uniformly across animal species. APR is initiated when animals are subjected to various external or internal challenges, including trauma, inflammation, infection, environmental stress factors, tumours, and immunological disorders [ 12 ].

Such proinflammatory cytokines induce local and systemic reactions, typically pyrexia, leukocytosis, hormonal variations, and muscle protein depletion and stimulate the hepatic release of APPs [ 13 ]. Whilst APPs are considered to be components of the nonspecific innate immune response involved in the restoration of homeostasis and bacteriostasis, their serum concentrations are correlated with the severity of disease and the degree of tissue damage present in the affected animal [ 14 ].

The exact nature of APPs and the timescale for modifications of the proteins vary between species according to the aetiology and the underlying inflammatory process. Bacterial infections induce strong APRs whilst viral infections typically produce weak or occult acute phase reactions [ 15 ].

Sialic acids SA are widely distributed within animal tissue, occupying the terminal position on macromolecules and cell membranes, and are integral to numerous physiological and pathological processes [ 16 , 17 ].

They are normally present in human and animal serum, although serum concentrations change under pathological conditions [ 16 , 17 ]. In the literatures, the cytokine response in buffalo with TRP has not been described. The present study was therefore undertaken to investigate the clinical signs of TRP in water buffalo and to evaluate the inflammatory and immunological responses associated with the consequent pathology.

Twenty-two water buffalo cows Bubalus bubalis were used in this study, where 4 were in the final stages of gestation and 18 were within 6 weeks postpartum: ages ranged from five to seven years.

Additionally 10 clinically healthy periparturient buffalo cows between three and five years of age served as a control group. The diseased buffalo exhibited signs of inappetence, recurrent tympany, decreased fecal output, falling milk yield, and mild pyrexia or euthermia.

Cases of chronic local TRP or diffuse peritonitis were not diagnosed during this investigation. Selection criteria were applied to the examined animals, excluding individuals with concomitant ailments and thereby removing experimental confounds. Excluded individuals exhibited signs of mastitis , arthritis , laminitis , enteritis , and bronchopneumonia.

Once diagnosis of acute local TRP had been made, medical and surgical managements were subsequently offered to owners.

Rehydrating intravenous fluids were also administered to patients on an individual basis. Where improvement in clinical signs had not occurred within 3 days of treatment, a rumenotomy was indicated and performed following the standard procedures. Follow-up information was collated via clinical examination, through owner contact, and via referring veterinarians regarding the health status of animals post treatment.

Both diseased buffalo and control animals were subjected to a full clinical examination, where the cardinal signs including rectal temperature, heart rate, respiratory rate, and auscultation of the respiratory tract were recorded. Abdominal ballottement and rectal palpation were also performed. Tests for a reticulum foreign body were implemented, including deep palpation of the abdominal wall caudal to the xiphoid, pinching of the withers, and placing a rod beneath the abdomen to elicit a grunt.

A metal detector was also applied over the ventral and ventrolateral regions of the chest and abdomen to detect a ferromagnetic foreign body. Upon admission, blood was collected from all examined animals through jugular venepuncture and placed, respectively, into heparinized tubes, tubes without anticoagulant, and tubes with EDTA-yielding samples for plasma, serum, and whole blood.

Intravenous fluids were not administered to patients prior to blood sampling. Samples were run in duplicate for all of the examined cytokines and APPs. Conversely, the whole blood samples were used for routine haematological examinations including total and differential leukocyte counts.

USG examination was performed whilst the animals were in standing position using 3. For examination of the reticulum, the transducer was applied to the ventral aspect of the thorax on both sides of the sternum as well as to the left and right lateral thorax up to the level of the cubitus.

Examination of each lung area was performed with the transducer held parallel to the ribs, from the third to the eleventh intercostal space. Echocardiographic examinations were conducted while the buffalo were standing. The third, fourth and fifth intercostal spaces in the cardiac region were examined ultrasonographically on the right and the left sides of the thorax. The forelimbs were moved cranially to facilitate improved contact between the probe and the intercostal space.

Within the cardiac region, the heart, major blood vessels, and the mediastinal region were imaged. Additionally, the tricuspid, mitral, pulmonary, and aortic valves were also scanned. Four buffalo were subjected to complete PM examination with approval of the Faculty Ethics Committee , and the results were recorded.

Data were statistically analyzed using the Graphpad Prism software package Graphpad Prism version 5. Means and standard errors of means SEM were estimated for each variable, and at results were considered statistically significant. Significant correlations between the clinical variables and the occurrence of TRP were examined via the Chi-square test. The clinical and laboratory findings for diseased and control buffalo are summarized in Tables 1 , 2 , and 3.

In Table 1 , heart rate, respiratory rate, and rectal temperature were significantly higher in diseased buffalo compared to the controls , , , resp. Moreover there were significant correlations between the incidence of TRP and 1 observed inappetence , 2 recurrent tympany , 3 lacrimation , and 4 decreased milk yield ; other clinical findings showed no significant correlations with the incidence of TRP.

Haematologically, buffalo with TRP were presented with neutrophilia , elevated band cells , monocytosis , and lymphocytopenia compared to controls: leukopenia and eosinopenia were not indicated Table 2. Six buffalo with TRP responded to conservative medical treatment whilst 12 required a rumenotomy. USG examination revealed that the amplitude of the reticulum contraction in the diseased buffalo was reduced. Deposits of fibrin interspersed with fluid pockets were frequently seen between the reticulum, the dorsal ruminal sac, and the diaphragm.

PM examination of deceased buffalo revealed that foreign bodies including pieces of wire and nails had perforated the reticular wall Figure 1 , forming peri-reticular abscess Figure 2 and were embedded in the diaphragm. TRP has become increasingly common and is particularly challenging to manage as its clinical presentation is often vague. The clinical findings of TRP in examined buffalo were consistent with the literatures [ 5 , 6 ]. Hence, early diagnosis of TRP becomes more difficult in buffalo compared to cattle, and these findings are consistent with the literatures [ 5 , 6 ].

APPs play a major role in the innate immune response involving physical and molecular responses that serve to both prevent inflammation and initiate the inflammatory processes, as well as clear potential pathogens, and contribute to healing [ 8 ]. To date, the changes in acute phase cytokines in buffalo with TRP have not previously been described in the literatures.

We hypothesized that TRP in buffalo can be associated with cytokine production. Indeed, the impact of the pro- and anti-inflammatory markers in any given situation is varied and depends upon many other factors, both qualitative and quantitative.

The most important determinants for the inflammatory markers are their blood concentration, duration of expression, and the expressed level of their cell surface receptors.

Therefore, any attempt to understand the role of a given cytokine by only assaying mRNA via real time PCR will not reveal the function of a cytokine in a given situation. Serum cytokines for diseased buffalo in the field may be present for extended periods, especially where the timescale for inflammation remains unknown.

The principal pathway leading to hepatic production of the APPs is the release of proinflammatory cytokines from macrophages at the site of inflammation [ 22 ]. Serum SA levels have been analyzed in the literature for various bovine inflammatory and infectious diseases [ 16 , 17 ], although SA concentration in buffalo with TRP has not previously been reported.

In this study, diseased buffalo exhibited higher SA serum levels than the controls. The literatures have also reported that serum SA concentrations increase rapidly at the beginning of the inflammatory response or with injury. However, the underlying mechanism that causes such increase in serum SA has not been clearly outlined [ 17 ].

Some investigators have attributed the increase in SA levels to a rapid synthesis of sialoproteins and to an increase in globulins released from damaged tissue [ 16 ]. The quantification of blood APP levels can serve as both a diagnostic and prognostic tool where appropriate sampling timescales are realised [ 14 ].

Moreover, APP levels have been demonstrated in the literatures to be affected by a positive prognosis, but since the half-life of most APPs is only 24 to 48 hours, changes in APPs can become more sensitive indicators for healing and insult resolution than other clinical tests [ 8 ]. Several studies have previously denoted the significance of Fb, Hp, and CRP as useful biochemical parameters for evaluating the incidence and severity of inflammatory reactions in bovine species with inflammatory conditions [ 7 , 9 , 11 , 26 — 30 ].

CRP was also found to be both a useful marker for evaluating the health status of a herd and a parameter to assess individual stress levels: CRP may be useful in early surveillance of intraherd TRP [ 29 ], as well as fulfilling an important function in defence against infection and control of the inflammatory response [ 31 ]. An adjunct tool for the diagnosis of TRP is USG, providing information with respect to the location and extent of the insult s , and our findings were consistent with other reports [ 5 , 6 , 19 ].

However, contrary to other reports [ 32 ], our findings showed that buffalo with TRP had normal TLC, neutrophilia and lymphocytopenia unlike the controls. The findings of this paper indicate that the examined immunologic variables were helpful in documenting the inflammatory response in buffalo with TRP. However, their usefulness for diagnosis only becomes apparent when considered in tandem with the clinical findings for any given animal, its anamnesis, and a subsequent USG evaluation.

The authors of this paper hold no financial nor personal relationships with individuals or organizations that would inappropriately influence or bias the findings of this paper.

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Academic Editor: Marcus Hutber. Received 30 Apr Revised 14 Jun Accepted 07 Jul Published 30 Jul Abstract The present study was carried out to describe the clinical picture of traumatic reticuloperitonitis TRP in water buffalo Bubalus bubalis and to evaluate the inflammatory and immunologic responses for this clinical condition.

Introduction Water buffalo Bubalus bubalis have a special importance in milk and meat production in the Nile River valley in Egypt [ 1 ] where the species can compete successfully and surpass the cattle in its ability to adapt to hot climates and swampy landscapes [ 2 ].

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Traumatic Reticuloperitonitis

Traumatic reticuloperitonitis develops as a consequence of perforation of the reticulum. It is important as a differential diagnosis of other diseases marked by stasis of the GI tract, because it causes similar signs. Traumatic reticuloperitonitis is most common in mature dairy cattle, occasionally seen in beef cattle, and rarely reported in other ruminants. Cattle commonly ingest foreign objects, because they do not discriminate against metal materials in feed and do not completely masticate feed before swallowing. The disease is common when green chop, silage, and hay are made from fields that contain old rusting fences or baling wire, or when pastures are on areas or sites where buildings have recently been constructed, burned, or torn down. The grain ration may also be a source because of accidental addition of metal. Swallowed metallic objects, such as nails or pieces of wire, fall directly into the reticulum or pass into the rumen and are subsequently carried over the ruminoreticular fold into the cranioventral part of the reticulum by ruminal contractions.

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