Crop residues activity against the free-living stages of small ruminant nematodes

Salles, H. O.; Braga, Ana Carolina Linhares; Nascimento, Danisvânia Ripardo; Prado, Mayara Stephanny Melo; Souza, Henrique Antunes de; Oliveira, Eder Jorge de; Vieira, L. da S.; Cavalcante, A. C. R.; Lima, Adriano Rodrigues; Neto, Cláudio Santos Teles; Sousa, Ana Márjory Paiva; Ribeiro, R.P.; Pompeu, Roberto Cláudio Fernandes Franco

doi:10.1590/s1984-29612019024

Cited by 7 publications

(10 citation statements)

References 17 publications

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“…All the inputs were applied by hand before allowing the animals access to the pasture, considering the use of intensive grazing under continuous stocking, with a fixed stocking rate. The organic compost was considered a control because it has no anthelmintic effect in vitro, according to the methodology used by Salles et al (2019). The compost was based on the carcasses of small ruminants and was prepared as described by Meneses et al (2017).…”

Section: Experimental Design and Treatmentsmentioning

confidence: 99%

“…This strategy is based on the use of a fertilizer that reduces the contamination of grasses by infective larvae (L 3 ) and increases the amount of grass biomass, thereby contributing to reduce the L 3 .g -1 of dry mass, favor the nutritional levels of grass, and indirectly, the animal, by increasing the supply of food in the pasture. Salles et al (2019) evaluated several crop residues with anthelmintic effect in vitro and identified castor cake as a potential input to control the free-living stages of gastrointestinal nematodes.…”

Section: Introductionmentioning

confidence: 99%

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Castor cake as organic fertilizer to control gastrointestinal nematodes in pasture-raised sheep

Maranguape

Pompeu

Vieira

et al. 2020

Rev. Bras. Parasitol. Vet.

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Gastrointestinal parasitism is one of the factors that discourages farmers from raising small ruminants in cultivated pastures. To validate a soil treatment strategy to control the free-living stages of gastrointestinal nematodes (GIN), castor cake (CC) was used as a fertilizer on a pasture where sheep grazed on guinea grass under continuous stocking. On day zero, the pasture was divided into three paddocks, contaminated by GIN and treated, respectively, with CC divided into two applications (2CC1/2), CC in a single application (CC1) and organic compost in a single application (control). On day 21, eight GIN-free sheep were placed in each paddock. On day 58, significant differences (P<0.05) were observed: reduction of up to 66.10% in larvae.g-1 of dry mass in pastures fertilized with CC, decrease of up to 60.72% in infection rates among the animals in the groups treated with CC, higher average daily weight gain (over 185 g.day-1) and packed cell volume (over 26%) in the groups treated with CC, when compared to the control (128 g.day-1; 20.9%). In view of the results, the use of CC, mainly CC1, as a fertilizer for guinea grass pastures, under continuous stocking, proved to be promising, with 63.41% effectiveness in controlling worm infestations.

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Section: Experimental Design and Treatmentsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Castor cake as organic fertilizer to control gastrointestinal nematodes in pasture-raised sheep

Maranguape

Pompeu

Vieira

et al. 2020

Rev. Bras. Parasitol. Vet.

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“…It is therefore, widely employed in vegetable production, with good results and improved chemical and physical soil attributes (11) . In addition, because of its nematicidal effect, it controls gastrointestinal parasites in grazing sheep (6,7) , reducing the anthelmintic costs.…”

Section: Cienc Anim Bras V24 E-73410ementioning

confidence: 99%

“…The use of feed supplements, fertilizers, and anthelmintics allows maximizing animal production per area; however, it can burden the production system and, in some cases, compromise economic viability. In this scenario, the use of agroindustry by-products can contribute to the reduction of costs in livestock, either in the form of supplements, organic fertilizers, or the control of gastrointestinal parasites (5)(6)(7) .…”

Section: Introductionmentioning

confidence: 99%

Bioeconomic evaluation of pasture sheep finishing using castor bean cake

et al. 2023

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This study evaluates the economic viability of sheep finishing systems on irrigated Tamani grass pasture under continuous stocking, using castor bean cake. Four production systems were simulated: sheep supplemented with soybean meal on pasture fertilized with urea (SMUR), sheep supplemented with detoxified castor bean cake on pasture fertilized with urea (CCdUR), sheep supplemented with soybean meal on pasture fertilized with in natura castor bean cake (SMCC) and sheep supplemented with detoxified castor bean cake on pasture fertilized with in natura castor bean cake (CCdCC). A minimum unit of 3 hectares and an average slaughter weight of 28 kg were considered. A minimum selling price, at which the least profitable system would become profitable, was stablished: US$ 2.38 and US$ 4.45/kg per kilogram of body weight and carcass weight equivalent, adopting a minimum rate of return of 3.5% per year, based on the Selic rate. The costs for organic fertilization were 46.01% higher than in systems using chemical fertilization. The selling of live animals was not attractive in any of the systems evaluated, and the opposite was observed for the selling of carcasses and non-carcass components. System SMUR proved to be more profitable, with a gain of US$ 0.53 per kg carcass.

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“…Facing this health concern, several studies have been developed to mitigate the negative effect caused by gastrointestinal nematodes, such as the use of breeds that are more resistant to worm infection, pasture management, use of energy diet, biological control, as well as the use of plants that have anthelminthic properties, and control strategies of the free-living stage of gastrointestinal nematodes in the soil (Vilela et al 2012 ; Miranda 2018 ; Salles et al 2019 ).…”

Section: Introductionmentioning

confidence: 99%

Castor bean cake for the control of parasites in pasture-finished sheep

Meneses

Pompeu

Salles

et al. 2022

Trop Anim Health Prod

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The purpose of this study was to evaluate castor bean cake as alternative input in the control of gastrointestinal parasites in sheep raised on irrigated pasture under continuous stocking. The treatments consisted of sheep supplemented with standard diet and pasture fertilized with urea; sheep supplemented with alternative diet and pasture fertilized with urea; sheep supplemented with standard diet and pasture fertilized with in natura castor bean cake; and sheep supplemented with alternative diet and pasture fertilized with in natura castor bean cake. A randomized complete block design (CBD) was used, with 16 replications (sheep), with repeated measures over time, the plots being the treatments, and the subplots the collection times. Infective nematode larvae in the pasture (L3.g DM −1 ), number of eggs per gram of feces (EPG), globular volume (GV), and total plasma protein (TPP) were evaluated. For adult gastrointestinal parasite counts, CBD was also used with six replications. Except for FAMACHA © grade, all variables had effect ( P < 0.01) of the time factor. The average number of L3.g DM −1 and EPG were 126 and 841, respectively, with no effect ( P > 0.05) of the treatment factor. The values observed for GV and TPP were higher than 25.9% and 6.4 g·dL −1 , respectively, which were considered normal. As organic fertilizer, the fractionated application of in natura castor bean cake does not reduce the contamination of pastures by nematode larvae. The evaluated feeds improve the resilience of the sheep to infection by gastrointestinal parasites. The treatments using castor bean cake reduced the adult parasites present in the abomasum of sheep.

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Crop residues activity against the free-living stages of small ruminant nematodes

Cited by 7 publications

References 17 publications

Castor cake as organic fertilizer to control gastrointestinal nematodes in pasture-raised sheep

Castor cake as organic fertilizer to control gastrointestinal nematodes in pasture-raised sheep

Bioeconomic evaluation of pasture sheep finishing using castor bean cake

Castor bean cake for the control of parasites in pasture-finished sheep

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