Pasture brome and perennial ryegrass characteristics that influence ewe lamb dietary preference during different seasons and periods of the day

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dc.citation.issue7
dc.citation.volume17
dc.contributor.authorGarcía-Favre J
dc.contributor.authorCranston LM
dc.contributor.authorLópez IF
dc.contributor.authorPoli CHEC
dc.contributor.authorDonaghy DJ
dc.contributor.authorCaram N
dc.contributor.authorKemp PD
dc.coverage.spatialEngland
dc.date.accessioned2024-04-22T03:22:47Z
dc.date.accessioned2024-07-25T06:48:16Z
dc.date.available2023-05-19
dc.date.available2024-04-22T03:22:47Z
dc.date.available2024-07-25T06:48:16Z
dc.date.issued2023-07
dc.description.abstractUnder the current scenario for climate change, Bromus valdivianus Phil. (Bv), a drought-resistant species, is an option to complement Lolium perenne L. (Lp) in temperate pastures. However, little is known about animal preference for Bv. A randomised complete block design was used to study ewe lamb's preference between Lp and Bv during morning and afternoon grazing sessions in winter, spring, and summer by assessing the animal behaviour and pasture morphological and chemical attributes. Ewe lambs showed a higher preference for Lp in the afternoon in winter (P < 0.05) and summer (P < 0.01), while no differences were found in spring (P > 0.05). In winter, Bv, relative to Lp, had both greater ADF and NDF (P < 0.001), and lower pasture height (P < 0.01) which negatively affected its preference. The lack of differences in spring were due to an increase in ADF concentration in Lp. In summer, ewe lambs showed the typical daily preference pattern, selecting Lp in the morning to ensure a greater quality and showing no preference during the afternoon to fill the rumen with higher fibre content. In addition, greater sheath weight per tiller in Bv could make it less desirable, as the decrease in bite rate in the species was likely due to a higher shear strength and lower pasture sward mass per bite which increased foraging time. These results provided evidence on how Bv characteristics influence ewe lamb's preference; but more research is needed on how this will affect preference for Lp and Bv in a mixed pasture
dc.description.confidentialfalse
dc.edition.editionJuly
dc.format.pagination100865-
dc.identifier.author-urlhttps://www.ncbi.nlm.nih.gov/pubmed/37302155
dc.identifier.citationGarcía-Favre J, Cranston LM, López IF, Poli CHEC, Donaghy DJ, Caram N, Kemp PD. (2023). Pasture brome and perennial ryegrass characteristics that influence ewe lamb dietary preference during different seasons and periods of the day.. Animal. 17. 7. (pp. 100865-).
dc.identifier.doi10.1016/j.animal.2023.100865
dc.identifier.eissn1751-732X
dc.identifier.elements-typejournal-article
dc.identifier.issn1751-7311
dc.identifier.number10865
dc.identifier.piiS1751-7311(23)00162-3
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/70914
dc.languageeng
dc.publisherElsevier BV on behalf of the Animal Consortium
dc.publisher.urihttps://www.sciencedirect.com/science/article/pii/S1751731123001623
dc.relation.isPartOfAnimal
dc.rights(c) 2023 The Author/s
dc.rightsCC BY-NC-ND 4.0
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectEwe behaviour
dc.subjectFood choice
dc.subjectForage
dc.subjectNutritive value
dc.subjectSelective grazing
dc.subjectFemale
dc.subjectSheep
dc.subjectAnimals
dc.subjectLolium
dc.subjectBromus
dc.subjectSeasons
dc.subjectAnimal Feed
dc.subjectDiet
dc.subjectSheep, Domestic
dc.titlePasture brome and perennial ryegrass characteristics that influence ewe lamb dietary preference during different seasons and periods of the day
dc.typeJournal article
pubs.elements-id462039
pubs.organisational-groupOther
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