Doenças do sistema digestório de caprinos e ovinos no semiárido do Brasil

Lira, M. A.; Simões, Sara Vilar Dantas; Riet-Correa, Franklin; Pessoa, Clarice M. R; Dantas, Antônio Flávio Medeiros; Neto, E. G. Miranda

doi:10.1590/s0100-736x2013000200010

Cited by 18 publications

(22 citation statements)

References 27 publications

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“…Nas regiões semiáridas a ocorrência de distúrbios digestivos aumenta no período de escassez de forragens com o uso de alimentos em quantidade ou qualidade inadequada, o que pode causar complicações digestivas e dependendo da gravidade pode levar à morte (Lira et al 2013). Agave sisalana Perrine (Fig.1A) é uma planta que por vezes é usada em condições de escassez de forragem como fonte alternativa alimentar para ruminantes.…”

Section: Introductionunclassified

Compactação ruminal e obstrução intestinal em bovinos, associadas ao consumo de Agave sisalana Perrine (Agavaceae)

et al. 2016

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RESUMO.-A compactação dos pré-estômagos é um transtorno digestivo resultante da ingestão de forragem de baixa qualidade, rico em lignina e com baixos níveis de energia e proteína digerível, associada ou não a restrição hídrica. O acúmulo de vegetais ricos em fibras indigeríveis pode levar também a formação de fitobezoares, causando transtornos digestivos e obstruções intestinais. Objetivou-se com este trabalho descrever os aspectos epidemiológicos e as alterações clínico-patológicas de um surto de alterações digestórias em bovinos alimentados com Agave sisalana. O rebanho acometido era formado por 22 animais adultos, criados de forma semiextensiva, que, devido a escassez de forragem, receberam no cocho, quase que exclusivamente, durante dois meses, o caule do A. sisalana cortado manualmente. Seis vacas apresentaram diminuição do apetite, distensão abdominal, redução dos períodos de ruminação e da produção de fezes. Um animal foi encaminhado ao Hospital Veterinário da Universidade Federal de Campina Grande. O diagnóstico presuntivo de compactação ruminal e obstrução intestinal foi dado pela epidemiologia, sinais clíni-cos e análise de fluido ruminal. Na necropsia observou-se rúmen, retículo e omaso repletos, com conteúdo fibroso e ressecado constituído por fibras de A. sisalana. No abomaso observou-se a presença de conteúdo pastoso e esverdeado a acastanhado. Em todos os pré-estômagos e no abomaso Indigestion due to compaction of the ruminal content is a digestive disorder resulting from low-quality forage intake, rich in lignin and with low levels of energy and digestible protein, with or without water restriction. The accumulation of plant residues rich in indigestible fibers can also lead to formation of phytobezoars, causing digestive disorders and intestinal obstructions. The objective of this paper was to describe the epidemiology and the clinical and pathological changes of an outbreak of indigestion and other digestive disorders in cattle fed Agave sisalana. The affected herd consisted of 22 adult cattle reared in a semi-extensive system, which ingested almost exclusively stalks of A. sisalana manually cut for two months. Six cows showed decreased appetite and rumination, abdominal distension, and reduced production of dried feces. One animal was referred to the Veterinary Hospital. The presumptive diagnosis of indigestion was made by the epidemiologic data, clinical signs, and laboratory evaluation. At necropsy, the rumen, reticulum and omasum were filled with fibrous and dried A. sisalana content. A viscous, greenish brownish content was present in the abomasum. Numerous phytobezoars were found in the pre-stomachs and abomasum measuring 4-12cm in diameter. One phytobezoar was partially obstructing the duodenum, with the cranial part of the organ filled with intestinal content, and the caudal portion was empty. It is concluded that the administration of A. sisalana stalks for long periods may cause indigestion due to ruminal compaction and formation of phytobezoars.

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Section: Introductionunclassified

Compactação ruminal e obstrução intestinal em bovinos, associadas ao consumo de Agave sisalana Perrine (Agavaceae)

et al. 2016

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“…O sistema orgânico mais acometido foi o digestório. De fato, a literatura cita que os distúrbios do sistema digestório em animais de produção abrangem um grupo de enfermidades importantes e são responsáveis por grandes perdas econômicas [11]. A ocorrência destes distúrbios tem aumentado seja pela intensificação da produção, uso de aditivos na dieta, período de escassez de forragens, ou uso de alimentos em quantidade ou qualidade inadequada [24].…”

Section: Discussionunclassified

“…Existem algumas pesquisas sobre a frequência de doenças no rebanho brasileiro. Estudos deste tipo são reportados nos Estados da Paraíba [6,8,11,23], Bahia [3], Santa Catarina [5], Rio Grande do Sul [13,14,16,22,26,28,29], Mato Grosso [27], e Mato Grosso do Sul [2,25,33]. Contudo, não existem estudos semelhantes no Estado do Tocantins ou em qualquer parte da região norte do Brasil. O objetivo deste trabalho é relatar a frequência das doenças de bovinos e ovinos diagnosticadas no Estado do Tocantins, através de um estudo retrospectivo dos casos atendidos pelo Setor de Clínica Médica de Ruminantes (SCMR) do Hospital Veterinário Universitário (HVU) da Escola de Medicina Veterinária e Zootecnia (EMVZ) da Universidade Federal do Tocantins (UFT) no período de janeiro de 2011 a dezembro de 2015.…”

Section: Introductionunclassified

Cattle and Sheep Diseases Diagnosed in the State of Tocantins - Brazil

Oliveira

Ramos

Cunha

et al. 2019

Acta Scientiae. Vet.

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Background:Knowing the different diseases that affect the herds of a region is a fundamental necessity, because sanity is one of the main factors limiting animal production. Several studies have reported the diseases affecting the animals of various regions of Brazil; however, no such study was carried out in the state of Tocantins so far. Thus, the objective of this work is to report the main diseases diagnosed in cattle and sheep in the central and northern regions of the state of Tocantins, between January 2011 and December 2015. Materials, Methods & Results:The records and reports of the cattle and sheep treated by the clinicians and pathologists of the Ruminants Medical Clinic (SCMR) of the University Veterinary Hospital (HVU), School of Veterinary Medicine and Zootecnia (EMVZ), University Federal of Tocantins (UFT) during the study period were evaluated. The cases were classified into two categories, conclusive and inconclusive; the cases with conclusive diagnosis were classified according to the etiology and the organic systems involved. In the period of five years, 697 cattle and sheep were treated in the SCMR. The diagnoses were made using epidemiological, clinical, and pathological data, and in some cases, using complementary tests. Among the 697 cases reviewed, 692 (99.2%) and 5 (0.8%) cases were diagnosed conclusively and inconclusively, respectively. The most affected system was the digestive system, which accounted for 260 (37.6%) cases; this was followed by the locomotor 130 (18.8%) cases, nervous 56 (8.1%) cases, reproductive 57 (8.2%) cases, urinary 50 (7.2%) cases, skin 16 (2.3%) cases, muscular 11 (2%) cases, respiratory 34 (4.9%) cases, hemolymphopoietic 28 (3.5%) cases, endocrine 24 (3.5%) cases, sense organs 22 (3.2%) cases, and cardiovascular 4 (0.6%) cases. A total of 220 (31.6%) parasitic, 202 (29%) infectious, 106 (15.2%) toxic, 96 (13.8%) nutritional, 52 (7.5%) by physical agents, and 6 (0.8%) congenital/hereditary diseases were identified. Diseases of neoplastic, metabolic, and inconclusive nature represented 15 (2.1%) cases. Discussion: In this study, the most affected organic system was the digestive system. The disturbances of the digestive system in production animals are reported to comprise a group of important diseases, and they are responsible for large economic losses. Parasitic, infectious, and toxic diseases were more frequently diagnosed, a result similar to those of other studies carried out in Brazil. Haemonchosis was the most frequently occurring parasitic disease and occurrence in sheep. The characteristic clinical signs such as submandibular edema and pallor of the mucosa/carcass and the visualization of the abomasal mucosa in adult specimens on necropsy enabled the diagnosis of this disease. The foot injury were the most frequent disease among the others of the infectious order and affected the sheep. Such lesions are characterized by inflammation and ulceration of the skin of the digits, in which numerous bacteria are isolated. The most frequent toxic disorder was bo...

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“…Nonetheless, spontaneous poisoningby Brachiaria spp. appears to be rare in goats (Johnson et al 1999, Lira et al 2013, Rosa et al 2013. In Brazil only one report of the disease in goats was found.…”

Section: Introductionmentioning

confidence: 99%

Spontaneous poisoning by Brachiaria decumbens in goats

et al. 2016

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An outbreak of Brachiaria decumbens poisoning in goats in the state of Mato Grosso do Sul, Brazil, is described. Out of a herd of about 1,000 goats, seven goats died after showing photosensitivity (3 out 7 goats) and icterus (4/7). Other clinical signs included lethargy, dehydration and weight loss (7/7). At necropsy there was either hepatomegaly or liver atrophy; orange, yellow or gray discoloration -were observed in the liver of six goats. Two had accentuation of lobular pattern and punctate, linear or stellar fibrous depressions were randomly distributedover the capsular surface. Macroscopic changesattributedto liver failure consisting of hydropericardium (2/7) and ascites (2/7) were observed. Histologically, there was accumulation of refringent crystals in the bile ducts and infiltration of foamy macrophages in the liver of all goats. Foamy macrophages were also present in the hepatic and mesenteric lymph nodes of two goats. The diagnosis of B. decumbens poisoning was based on epidemiology, clinical signs, necropsy findings and histopathology.

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Doenças do sistema digestório de caprinos e ovinos no semiárido do Brasil

Cited by 18 publications

References 27 publications

Compactação ruminal e obstrução intestinal em bovinos, associadas ao consumo de Agave sisalana Perrine (Agavaceae)

Compactação ruminal e obstrução intestinal em bovinos, associadas ao consumo de Agave sisalana Perrine (Agavaceae)

Cattle and Sheep Diseases Diagnosed in the State of Tocantins - Brazil

Spontaneous poisoning by Brachiaria decumbens in goats

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