The effects of birdsfoot trefoil (Lotus corniculatus) and chicory (Cichorium intybus) when compared with perennial ryegrass (Lolium perenne) on ovine gastrointestinal parasite development, survival and migration

Marley, Christina L.; Cook, R.; Barrett, John; Keatinge, R.; Lampkin, Nicolas

doi:10.1016/j.vetpar.2006.01.029

Cited by 42 publications

(19 citation statements)

References 30 publications

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“…Marley et al (2006a) verificaram que o trevo vermelho afetou negativamente o desenvolvimento das larvas de H. contortus em comparação com o azevém. Em outro estudo, o azevém exibiu um maior número de larvas infectantes do que as forragens de Lotus corniculatus e Cichorium intybus (MARLEY et al, 2006b). A braquiária foi a forragem mais densa, seguida do coast-cross.…”

Section: Discussionunclassified

Recuperação de larvas infectantes de Trichostrongylus colubriformis em três espécies de gramíneas contaminadas no verão

Rocha

Bricarello

et al. 2008

Rev. Bras. Parasitol. Vet.

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RESUMOO experimento teve como objetivo avaliar a recuperação de larvas infectantes (L3) de Trichostrongylus colubriformis em Brachiaria decumbens cv. Australiana, Cynodon dactilon cv. Coast-cross e Panicum maximum cv. Aruana. Foram utilizados módulos experimentais constituídos por seis canteiros de 32,4 m 2 cada, perfazendo dois canteiros por espécie forrageira.Cada canteiro foi dividido em 36 parcelas, de 30 x 30 cm, de forma a permitir seis repetições por espécie e por altura da forragem em cada semana de colheita de material. A sobrevivência larval foi avaliada do meio do verão e até meados do outono, sob o efeito de duas alturas de poda das forragens: baixa, 5 cm e alta, 30 cm. A poda foi realizada imediatamente antes da deposição das fezes contaminadas com ovos de T. colubriformis, obtidos de ovinos, que ocorreu no dia 05/02/ 2004. A colheita das fezes e da forragem foi realizada uma, duas, quatro, oito, 12 e 16 semanas após a deposição das fezes nos canteiros experimentais. A altura da forragem foi medida em cada uma das subdivisões imediatamente antes da colheita. A forragem foi cortada rente ao solo, de uma área delimitada com o auxílio de um círculo de 10 cm de raio. As ) was divided into 36 subplots (30 x 30 cm) in order to allow six replicates per forage species and per herbage height in each week of material collection. Larval recovery was evaluated from middle summer to middle autumn under the effect of two forage paring heights: low, 5 cm, and high, 30 cm. The paring was carried out immediately before the fecal samples with T. colubriformis eggs, taken from sheep, were deposited on pasture in 05/Feb/2004. Feces and forage collection was performed one, two, four, eight, 12 and 16 weeks after feces deposition in the experimental plots. Forage grass height was measured in each subdivision immediately before the collections. The forage sample was cut, close to the soil, from an area delimited with a circle with a 10-cm radius. The feces were collected from the subplots. The number of infective larvae recovered from pasture was very small in comparison with the amount of larvae produced in cultures maintained in laboratory (maximum 6.7% on Aruana grass with 30 cm). L3 recovery rates from fecal samples were bigger when the feces were deposited on high grass (measuring 30 cm -P<0.05). L3 recovery from pasture and L3 concentration on herbage (L3/Kg dry matter) were similar for both cuts (P> 0.05). Among the forage species, the Aruana grass was the one that, in general, harbored the biggest concentrations of infective T. colubriformis larvae. RECUPERAÇÃO DE LARVAS INFECTANTES DE Trichostrongylus colubriformis EM TRÊS ESPÉCIES DE GRAMÍNEAS CONTAMINADAS NO VERÃO

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Section: Discussionunclassified

Recuperação de larvas infectantes de Trichostrongylus colubriformis em três espécies de gramíneas contaminadas no verão

Rocha

Bricarello

et al. 2008

Rev. Bras. Parasitol. Vet.

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“…The plants in the Pl-C sward were more erect and had a lower density than in the PP, and this could have been an obstacle to larval migration and survival. With respect to plant structures, Marley et al (2006) found a significantly lower recovery of GIN L3 from chicory compared to ryegrass swards; although many factors could be involved, their results could be partially explained by the physical barrier represented by the presence of trichomes in chicory leaves that interfere with larval migration. Glandular trichomes act as metabolic factories in different plant organs where in the case of chicory and other members of the Asteraceae family, sesquiterpene lactones are produced and secreted to a subcuticular storage space at the apex of trichomes or excreted to the plant surface (Göpfert et al, 2005).…”

Section: Discussionmentioning

confidence: 84%

Finishing lambs on a chicory-plantain mixture or a temperate grassbased pasture: live weight gain and gastrointestinal parasitism

Alomar

Ruiz

Balocchi

et al. 2018

Ciencia e investigación agraria

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“…Guldberg et al, concluded that chicory had the largest impact on the establishment of the parasites in ram lambs due to gazing on Cichorium Intybus for six weeks [38] . On the other hand, chicory has been reported to reduce the number of infective parasite larvae available for ingestion by grazing sheep compared with ryegrass [39] . Other report has shown that when grazed by sheep and other ruminants, chicory may reduce internal parasite intensities [40] .…”

Section: Resultsmentioning

confidence: 99%

In Vitro Studies on the Effect of Phototoxicity of A New Photosensitizer Extracted from Flowers and Aerial Parts of Cichorium pumilum

Al-Akhras¹,

Amin²,

Mohammad³

et al. 2007

American J. of Pharmacology and Toxicology

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New photosensitizers have been extracted from the flowers and aerial parts of the Cichorium Pumilum Jacq (chicory). Chicory grows naturally in local wild areas and is known to cause quick death of only white sheep during its flowering season in autumn. Some of those isolated photosensitizers are yet to be further characterized. Preliminary investigations show a high degradation of isolated photosensitizers under direct sunlight (solar irradiance 450-950W m¯2). This in vitro study also shows a very high photohemolysis rate at a concentration of 0.95 mg mL¯1. The extracted compounds are also found to be temperature dependent. Multiple absorption peaks are also shown for tested extract both in ultraviolet region (at the wavelengths 314, 360nm) and in the visible region (at 445, 492 and 667nm). Results of the present investigation clearly show the potential of the light-and temperature-dependent extracted compounds as a new member of the photodynamic therapeutics. It is possible therefore that the claimed chicory-induced death of white sheep is simply a direct result of phototoxicity.

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The effects of birdsfoot trefoil (Lotus corniculatus) and chicory (Cichorium intybus) when compared with perennial ryegrass (Lolium perenne) on ovine gastrointestinal parasite development, survival and migration

Cited by 42 publications

References 30 publications

Recuperação de larvas infectantes de Trichostrongylus colubriformis em três espécies de gramíneas contaminadas no verão

Recuperação de larvas infectantes de Trichostrongylus colubriformis em três espécies de gramíneas contaminadas no verão

Finishing lambs on a chicory-plantain mixture or a temperate grassbased pasture: live weight gain and gastrointestinal parasitism

In Vitro Studies on the Effect of Phototoxicity of A New Photosensitizer Extracted from Flowers and Aerial Parts of Cichorium pumilum

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