Whole farm economic analysis of East Coast fever immunization strategies in Kilifi District, Kenya

Nyangito, Hezron O.; Richardson, James W.; Mukhebi, A.W.; Mundy, Darrell S.; Zimmel, Peter; Namken, Jerry C.; Perry, Brian D.

doi:10.1016/0167-5877(94)90020-5

Cited by 8 publications

(5 citation statements)

References 9 publications

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“…This includes (i) International Livestock Centre for Africa (ILCA) herd simulation model (Itty, 1991), (ii) Technology Impact Evaluation System (TIES) (Nyangito et al ., 1994, 1995), (iii) Moorepark Dairy System Model (MDSM) (O'Doherty et al ., 2015). (iv) Bio-economic herd simulation (BEHS) model for trypanosomiasis (Shaw et al ., 2013, 2014), (v) Hybrid model of deterministic and stochastic (HMDS) (Kumar et al ., 2017) and (vi) SimHerd model (Budke et al ., 2006; Calvo-Artavia et al ., 2013).…”

Section: Resultsmentioning

confidence: 99%

“…While in Zambia, treatment and prevention costs of T. parva were estimated to US$ 7.06 and 33.99 cattle −1 annum −1 , respectively (D'haese et al ., 1999). In Kenya, costs of acaricide application were estimated to US$ 274 and 48 head −1 annum −1 for small and large farms, respectively (Nyangito et al .,, 1994). In Uganda (Lake Mburo National Park), total economic costs (prevention, treatment and mortality) due to TTBIs were estimated to US$ 308 144 per annum in cattle, they represent 73.8% (ranches), 85.6% (pastoral) of total disease control cost with mean of US$ 4.15 ± 0.38 animal −1 year −1 (Ocaido et al ., 2009).…”

Section: Resultsmentioning

confidence: 99%

“…As the estimated output of dairy products was US$ 3382 million year −1 (Bisset, 1994). Cost of anthelmintic was US$ 8.57 and 0.94 head −1 annum −1 for small and large farms in Kenya, respectively (Nyangito et al ., 1994).…”

Section: Resultsmentioning

confidence: 99%

“…Economic impact evaluation of East Cost Fever (ECF) uses TIES as a two-step process; firstly, data for current ECF control strategies were collected from farmers and supplemented by secondary data sources, secondly, it simulated the data of farm with appropriate changes for ECF infection and treatment method (ITM). It is accomplished by changing the input variable values that include the cost of ITM delivery, acaricide cost, calving rate and ECF mortality rate (Nyangito et al, 1994(Nyangito et al, , 1995.…”

Section: Technology Impact Evaluation Systemmentioning

confidence: 99%

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A systematic review on modelling approaches for economic losses studies caused by parasites and their associated diseases in cattle

et al. 2018

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Parasites reside inside or outside their hosts and get host nutrition and blood. Here, we have emphasized economic losses in cattle caused by parasitic diseases due to ecto- and endo- parasites (flies, ticks, mites and helminths). We have outlined different methods/models including economic evaluation techniques and dynamic analysis as a major class, used for the calculation of economic losses caused by parasites in cattle. According to already conducted studies, a decrease in production is mentioned in quantity and percentage while financial losses are expressed in the form of account with respect to per head, herd or for the specific study area. The parasites cause the reduced production and financial losses due to control, treatment and mortality costs. We calculated the average decrease in milk production and organ condemnation as 1.16 L animal-1 day-1 and 12.95%, respectively, from overall cattle parasitic infections. Moreover, the average calculated financial and percentage losses were US$ 50.67 animal-1 year-1 and 17.94%, respectively. Economically important parasitic diseases mentioned here are caused by specific spp. of protozoans and helminths according to data collected from the literature. Protozoan diseases include tick-borne diseases, coccidiosis, neosporosis, trypanosomiasis and cryptosporidiosis. Losses due to tick-borne infections were encountered for decreased milk production, mortality, treatment and control. Losses from coccidiosis were due to decreased weight gain, treatment costs and mortality. While abortion losses were encountered in neosporosis. Trypanosomiasis caused losses due to a decrease in milk yield. Moreover, only diagnostic (conventional or molecular techniques) cost was taken into account for cryptosporidiosis. Economically important nematode parasites are Oesophagostomum spp., Cooperia spp., Trichostrongylus spp., Strongyloides spp., Ostertagia spp. and Haemonchus placei. Due to the zoonotic importance of echinococcosis, Echinococcus granulosus is the most economically important cestode parasite. Losses caused by echinococcosis were due to organ condemnation, carcass weight loss and decreases hide value, milk production and fecundity. While, fascioliasis is one of the most economically important trematodal disease, which causes cirrhosis of the liver due to parasite migration, and thus, the organ becomes inedible. So, it would be helpful for farmers and researchers to approach these methods/models for calculation of parasitic losses and should adopt suitable measures to avoid long-term economic losses.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Technology Impact Evaluation Systemmentioning

confidence: 99%

See 2 more Smart Citations

A systematic review on modelling approaches for economic losses studies caused by parasites and their associated diseases in cattle

et al. 2018

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“…TIES (Richardson et al, 1993) is a stochastic household model developed by a team from ILRAD (now ILRI) and Texas A&M. TIES has been used to assess East Coast fever control in Kenyan smallholder farming systems (Nyangito et al, 1994(Nyangito et al, , 1995(Nyangito et al, , 1996a. The stochastic elements of the model are yields and prices.…”

Section: Livestock-orientated Farm/ Household Modelsmentioning

confidence: 99%

The economics of animal health and production

Rushton¹

2008

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The past and future roles of epidemiology and economics in the control of tick-borne diseases of livestock in Africa: the case of theileriosis

Perry

Young

1995

Preventive Veterinary Medicine

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Whole farm economic analysis of East Coast fever immunization strategies in Kilifi District, Kenya

Cited by 8 publications

References 9 publications

A systematic review on modelling approaches for economic losses studies caused by parasites and their associated diseases in cattle

A systematic review on modelling approaches for economic losses studies caused by parasites and their associated diseases in cattle

The economics of animal health and production

The past and future roles of epidemiology and economics in the control of tick-borne diseases of livestock in Africa: the case of theileriosis

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