Grazing ecology of female lambs on Italian ryegrass plus red clover pasture under different defoliation intensities

Glienke, Carine Lisete; Rocha, Marta Gomes da; Camargo, Daniele Gindri; Pötter, Luciana; Confortin, Anna Carolina Cerato; Costa, Vagner Guasso da

doi:10.1590/s1516-35982010000100007

Cited by 7 publications

(2 citation statements)

References 14 publications

(14 reference statements)

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“…This was also demonstrated by Glienke et al (2010) andSeither et al (2012). However, Dumont et al (2011) indicated that other factors such as grazing pressure are even more critical elements affecting changes in botanical composition of swards.…”

Section: Discussionmentioning

confidence: 88%

Forage selectivity by cattle and sheep co‐grazing swards differing in plant species diversity

Cuchillo-Hilario

Wrage‐Mönnig

Isselstein

2017

Grass and Forage Science

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Interactions between sward diversity and forage selectivity of cattle and sheep managed within mixed grazing systems are not fully understood. The objective of this study was to investigate the effect of either mono‐ or co‐grazing of sheep and cattle on swards differing in botanical composition (either diverse or grass‐dominated) on the intake choices of six target forage species. Jacobs' selection index (JSI) was employed to quantify the preference for single target species in relation to their proportion in the sward. Results revealed distinct intake preferences of sheep and cattle; as expected, sheep were more selective than cattle. To a lesser extent, the sward composition had an effect on intake preferences: cattle responded to botanical composition by changing their intake preferences, but to a lesser extent than sheep. Phleum pratense was the most preferred target forage species (JSI = 0.62). Lolium perenne, Taraxacum sect. Ruderale and Trifolium repens were also highly preferred regardless of sward composition or type of grazing (JSI = 0.47, 0.32 and 0.27 respectively). Dactylis glomerata and Festuca pratensis tended to increase in abundance after grazing events in both diverse and grass‐dominated swards. Co‐grazing of cattle and sheep facilitated a more homogeneous consumption of the target forage species evaluated.

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Section: Discussionmentioning

confidence: 88%

Forage selectivity by cattle and sheep co‐grazing swards differing in plant species diversity

Cuchillo-Hilario

Wrage‐Mönnig

Isselstein

2017

Grass and Forage Science

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“…Temperate forage legumes exhibit promising potential for controlling GIN. Their high protein content, digestibility and acceptance by ruminants makes this group an excellent option for protein supplementation in the diet of grazing sheep (Glienke et al , 2010; Ates et al , 2017; Olubunmi et al , 2019). Moreover, some of these legume forage plants present bioactive properties in controlling GIN, especially due to their content of condensed tannins and flavonoids (Niezen et al , 1995; Oliveira et al , 2011; Wang et al , 2015).…”

Section: Introductionmentioning

confidence: 99%

Effect of growing forage legumes on the migration and survival in the pasture of gastrointestinal nematodes of sheep

et al. 2022

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In order to identify types of forage that inhibit pasture contamination, an evaluation was performed of the effect of the forage legumes Trifolium repens (white clover), Trifolium pratense (red clover) and Lotus corniculatus (bird's-foot-trefoil) on the survival and migration of infective larvae (L3) of gastrointestinal nematodes (GIN) of sheep. An experimental area of 441 m2 was divided into four blocks, subdivided into areas of 1.20 × 1.20 in which the three forage legumes were separately overseeded. After growth of the forage in each subdivision, experimental units were established that were later artificially contaminated with sheep faeces containing GIN eggs. Between October and December 2018, pasture, faecal and soil samples were collected on four occasions during weeks 1, 2, 4 and 8 after the deposition of faeces. In week 6, the forage legumes in all the experimental units were mown to simulate grazing. The number of L3 was quantified to determine their survival in the pasture, faeces and soil. In addition, the horizontal migration of L3 was measured at two distances from the faecal pellets (10 and 30 cm), as well as their vertical migration at two heights of the plant stems, that is, lower half and upper half. Larvae vertical migration was affected by the forage species (P < 0.001), in that bird's-foot-trefoil contained fewer larvae in the upper stratum. Bird's-foot-trefoil restricted the migration of L3 to the upper stratum of the plant, which could potentially decrease the risk of infection by intestinal nematodes in grazing sheep.

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Behavioral patterns of (co-)grazing cattle and sheep on swards differing in plant diversity

Cuchillo-Hilario

Wrage‐Mönnig

Isselstein

2017

Applied Animal Behaviour Science

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Grazing ecology of female lambs on Italian ryegrass plus red clover pasture under different defoliation intensities

Cited by 7 publications

References 14 publications

Forage selectivity by cattle and sheep co‐grazing swards differing in plant species diversity

Forage selectivity by cattle and sheep co‐grazing swards differing in plant species diversity

Effect of growing forage legumes on the migration and survival in the pasture of gastrointestinal nematodes of sheep

Behavioral patterns of (co-)grazing cattle and sheep on swards differing in plant diversity

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