Seasonal variations of nematode infection in Small East African goats and their crosses with Boer and Saanen reared under extensive and semi-intensive systems

Chenyambuga, Sebastian Wilson; Mbaga, S.H.; Muhikambele, V. R. M.

doi:10.4314/tvj.v26i2.53806

Cited by 4 publications

(8 citation statements)

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“…The finding that helminth egg counts were higher in the wet than in the dry season concurs with observations by several researchers (Regassa et al, 2006;Mbuh et al, 2008;Chenyambuga et al, 2009;Rumosa Gwaze et al, 2009a). Wet environmental conditions are favourable for the development, survival, and translocation of pre-parasitic stages of gastrointestinal nematodes and trematodes during the wet season implying a steady build up of adult worms in grazing goats that results in peak worm loads being recorded in the wet season (Mbuh et al, 2008).…”

Section: Discussionsupporting

confidence: 79%

Effect of season and age on blood minerals, liver enzyme levels, and faecal egg counts in Nguni goats of South Africa

Gf¹,

Chimonyo²,

Dzama³

2012

Czech J. Anim. Sci.

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ABSTRACT:The objective of the study was to determine the relationships between age of the goat and faecal egg counts, liver enzymes, and minerals in the wet and dry seasons in male and female Nguni goats of South Africa. Fifty-six female and forty male Nguni goats were used for the study. Faecal and blood samples were collected once in the dry (August) and wet (January) season. Faecal egg counts (FEC) were determined by the modified McMaster technique while trematodes were determined by the sedimentation method. Blood was analyzed for phosphorus, calcium, magnesium, alkaline phosphatase (ALP), alanine transaminase (ALT), creatine kinase (CK), aspartate aminotransferase (AST), and gamma-glutamyltransferase (GGT) levels. Faecal egg counts were significantly higher in the wet compared with the dry season. Most (P < 0.05) of the goats were within the reference values for calcium, phosphorus, and magnesium in both seasons. Phosphorus concentrations were significantly affected by age with higher levels in the young (2.1 ± 0.06) compared to the adult (2.0 ± 0.03) goats. Alkaline phosphate was significantly affected by age with higher levels in young than in mature goats. Higher AST, CK, and GGT concentrations were recorded in the wet compared to the dry season (P < 0.05). Higher CK and AST were recorded in male than in female goats while for ALP, the values were higher in female than in male goats. Linear negative relationships (P < 0.05) existed between age and ALP, phosphorus, and FEC, while quadratic relationships existed between age and strongyles and Strongyloides egg counts. Calcium was linearly related (P < 0.05) to FEC, while CK was related to FEC in a quadratic fashion. Age of the Nguni goats can be used to predict faecal egg counts, phosphorus, and ALP levels.

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Section: Discussionsupporting

confidence: 79%

Effect of season and age on blood minerals, liver enzyme levels, and faecal egg counts in Nguni goats of South Africa

Gf¹,

Chimonyo²,

Dzama³

2012

Czech J. Anim. Sci.

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“…Cooperia pectinata and C. punctata are usually less prevalent but they have been found in cattle in the lower areas of the Southern Highlands and in the Eastern Region at Morogoro [11,12]: although they occur in the small intestines of a wide range of ruminant species world-wide they seem to be more important in cattle.…”

Section: Cooperia Sppmentioning

confidence: 99%

“…S. papillosus is reported in goats in extensive and semi-intensive production systems around Morogoro [9,11] with kids being more susceptible than adults. The source of infection for very young kids is the reservoir of larvae in the tissues of their dams.…”

Section: Documented Species In the Families Strongyloididae And Trichmentioning

confidence: 99%

“…With the exception of T. axei, however, this genus is not considered to be important in cattle [29]. T. colubriformis was the predominant species in traditionally managed cattle in the Southern Highlands of Tanzania but the genus is also prevalent in dairy goats and their crosses reared in intensive and semi-intensive systems in Tanzania [11].…”

Section: Trichostrongylus Sppmentioning

confidence: 99%

“…Traditional, small and large scale dairy; dairy goat Prevalent; Iringa, Morogoro [12] Haemonchus contortus Sheep, goat Intensive and extensive systems; slaughter stock [8][9][10][11]; [15][16][17] …”

Section: Trichostrongylus Colubriformismentioning

confidence: 99%

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Helminths and Protozoa of the Gastrointestinal Tract of Ruminants in Tanzania

S¹

2017

Animal Review

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Article HistoryTanzania has one of the largest populations of domestic ruminants in Africa. Their performance is less than their potential. Health, particularly disease due to gastrointestinal parasites, is a major constraint to improved productivity. Internal parasites also affect the country's very diverse and huge array of wild ruminants. This review is based on a thorough search of the formal and informal literature pertaining to gastrointestinal parasites of ruminants in Tanzania. The occurrence and geographical distribution of helminth (nematodes, trematodes and cestodes) and protozoan parasites are presented. Cattle, goat and sheep nematodirus (roundworm) infection usually comprises mixed infections of several taxa of which 13 species in nine genera have been recorded. A total of seven species of trematodes (flukes) in six genera have been found. Some six species of cestodes (flatworms) have been recorded, three being in the genus Taenia. The most prevalent species of protozoan parasites, of which seven have been identified in cattle and 18 in sheep and goats, belong to the genus Eimeria: four other species of protozoan parasites are also recorded. A general overview of the epidemiology of gastrointestinal parasites is provided and the main methods of control are discussed.Contribution/Originality: Domestic ruminants are an important part of the Tanzania economy. They contribute to food security, biodiversity, household income and human welfare. This paper reviews with the aid of 74 published references the status and distribution of the main internal parasites of domestic ruminants in Tanzania.

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Development of immunity in boer goats naturally infected with the nematode haemonchus contortus

Abdullah¹

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Haemonchus contortus (H. contortus) is a major gastrointestinal nematode that adversely affects goat production in tropical and subtropical countries leading to high economic losses due to lower growth rates, markedly reduced reproductive performance and mortality. Farmers can use different strategies including anthelmintic treatments, grazing management, vaccination, improved nutrition and selection of resistant animals in order to control or prevent their animals from infection by this nematode. This study was conducted to determine and describe the development of immunity in Boer goats kids based on their faecal egg count (FEC) and selected blood parameters in relation to specific antibody production against this nematode. Understanding the development of immunity could Many colleagues and organisations (listed below) have contributed to the success of this study, without their assistance this study will not be possible. My sincere appreciation goes to: • The Malaysia government through the Public Services Department of Malaysia for providing me the scholarship to further my study for a higher research degree. • Department of Veterinary Services, Malaysia for allowing me to go on study leave to undertake this degree.

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Seasonal variations of nematode infection in Small East African goats and their crosses with Boer and Saanen reared under extensive and semi-intensive systems

Cited by 4 publications

References 0 publications

Effect of season and age on blood minerals, liver enzyme levels, and faecal egg counts in Nguni goats of South Africa

Effect of season and age on blood minerals, liver enzyme levels, and faecal egg counts in Nguni goats of South Africa

Helminths and Protozoa of the Gastrointestinal Tract of Ruminants in Tanzania

Development of immunity in boer goats naturally infected with the nematode haemonchus contortus

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