Effects of heather and oat supplementation on gastrointestinal nematode infections and performance of grazing Cashmere goats

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dc.contributor.authorCelaya, R.
dc.contributor.authorFerreira, L.M.M.
dc.contributor.authorMoreno Gonzalo, Javier
dc.contributor.authorFrutos, P.
dc.contributor.authorHervás, G.
dc.contributor.authorFerré Pérez, Ignacio
dc.contributor.authorGarcía, U.
dc.contributor.authorOrtega Mora, Luis Miguel
dc.contributor.authorOsoro, K.
dc.date.accessioned2024-02-08T16:45:52Z
dc.date.available2024-02-08T16:45:52Z
dc.date.issued2010-07
dc.description.abstractThis work aimed to evaluate the effects of tannin-containing heather (Calluna vulgaris, Erica spp.) and energy (oats, Avena sativa) supplementation, combined or not, on feed intake, gastrointestinal nematode infections and performance of goats grazing mountain grasslands. Two successive experiments were established across one grazing season on four paddocks. The first (late April to early August, Period 1) involved two treatments, i.e., supplementation with heather (+H) vs. non-supplementation (−H), each randomly allocated to two paddocks. The second (mid-August to mid-November, Period 2) consisted on four treatments in a 2 × 2 factorial design, i.e., supplementation with heather and oats (+H+O), only heather (+H−O), only oats (−H+O), and no supplementation (−H−O). Results from Period 1 indicated that faecal nematode egg counts (FEC) were lower in +H goats (50% less in August), achieving more favourable live weight (LW) and body condition changes than −H goats. Total dry matter intake (DMI) in June was similar between treatments, with heather accounting for 0.21 of +H goat diets. Kids FEC and LW gains were not affected by heather supplementation. In Period 2, both heather and oat supplementation reduced FEC (45 and 61%, respectively) and improved goat performance, without an interaction between both factors. Total DMI in October was higher in +H+O compared to other treatments (48 vs. 30 g DM kg LW−0.75 d−1; P < 0.01). Rumen ammonia concentration was lower (P < 0.001) in +H than in −H goats, and in +O than in −O goats, whereas that of volatile fatty acids (VFA) was not affected by treatments, though the molar proportions of some VFA were modified. It is concluded that the combination of both supplements (tannins and energy) contributes to reduce gastrointestinal nematode parasitism and increases goat performance, allowing a lower dependence on conventional chemotherapy.
dc.description.departmentDepto. de Medicina y Cirugía Animal
dc.description.facultyFac. de Veterinaria
dc.description.refereedTRUE
dc.description.sponsorshipInstituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA) - Proyecto RTA2007-00098
dc.description.statuspub
dc.identifier.doi10.1016/j.smallrumres.2010.03.013
dc.identifier.issn0921-4488
dc.identifier.officialurlhttps://www.sciencedirect.com/science/article/pii/S092144881000088X
dc.identifier.urihttps://hdl.handle.net/20.500.14352/100561
dc.issue.number2-3
dc.journal.titleSmall Ruminant Research
dc.language.isoeng
dc.page.final192
dc.page.initial186
dc.publisherElsevier
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.accessRightsrestricted access
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.keywordGoat performance
dc.subject.keywordGastrointestinal nematodes
dc.subject.keywordNutrition
dc.subject.keywordHeather
dc.subject.keywordEnergy food
dc.subject.ucmVeterinaria
dc.subject.unesco3109 Ciencias Veterinarias
dc.titleEffects of heather and oat supplementation on gastrointestinal nematode infections and performance of grazing Cashmere goats
dc.typejournal article
dc.type.hasVersionVoR
dc.volume.number91
dspace.entity.typePublication
relation.isAuthorOfPublication1a7dad32-55e1-421b-85f0-72f5d3ab1a82
relation.isAuthorOfPublicationee049535-46a4-469e-a863-26a74c7c22ef
relation.isAuthorOfPublication999bdff5-8f14-4d4b-9b18-ba75a422c772
relation.isAuthorOfPublication.latestForDiscovery1a7dad32-55e1-421b-85f0-72f5d3ab1a82
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