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dc.contributor.authorAyantunde, A. A.
dc.contributor.authorFernández-Rivera, S.
dc.contributor.authorHiernaux, P. H.
dc.contributor.authorVan Keulen, H.
dc.contributor.authorUdo, H. M. J.
dc.date.accessioned2020-09-18T04:59:04Z
dc.date.available2020-09-18T04:59:04Z
dc.date.issued2002-03-01
dc.identifier.citationAyatunde, A. A., Fernández-Rivera, S., Hiernaux, P. H., Van Keulen, H., & Udo, H. M. J. (2002). Day and night grazing by cattle in the Sahel. Journal of Range Management, 55(2), 144-149.
dc.identifier.issn0022-409X
dc.identifier.doi10.2307/4003350
dc.identifier.doi10.2458/azu_jrm_v55i2_ayantunde
dc.identifier.urihttp://hdl.handle.net/10150/643640
dc.description.abstractThe influence of night grazing on feeding behavior, nutrition and performance of cattle was studied. Twenty-four steers weighing 367 kg (SD = 76) grazed either from 0900 to 1900 (day grazers), 2100 to 0700 (night grazers) or 0900 to 1900 and 2400 to 0400 (day-and-night grazers) during 13 weeks. Four esophageally fistulated steers were used in a cross-over design to sample the diet selected during the day and at night. No differences (P > 0.05) were observed in the diet selected in the day or at night. As the season progressed the fiber components of the diet increased (P < 0.01) significantly while nitrogen and in sacco dry matter disappearance declined (P < 0.01). Actual grazing time (min day(-1), SE = 16) were 352, 376, and 476 for day, night, and day-and-night grazers, respectively. Day-and-night grazers had a higher intake of organic matter than either day or night grazers. Night grazers had the lowest forage intake and also the slowest rate of consumption. Steers that grazed in the night had the lowest water intake: 22.7 liter day(-1) (SE = 1.5) in week 4; 19.9 liter day(-1) (SE = 1.1) in week 8. Average weight changes (g day(-1), SE = 62) were -435, -548 and -239 for day, night, and day-and-night grazers, respectively. These results show that during the dry season, grazing exclusively in the night cannot substitute for day time grazing, but that it is rather complementary to the latter. Timing (day or night) of grazing did not affect diet selection but nocturnal grazing decreased the need for water.
dc.language.isoen
dc.publisherSociety for Range Management
dc.relation.urlhttps://rangelands.org/
dc.rightsCopyright © Society for Range Management.
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/
dc.subjectNiger
dc.subjectrumination
dc.subjectphysical activity
dc.subjectweight losses
dc.subjectfiber content
dc.subjectdry seasons
dc.subjectdiet
dc.subjectsteers
dc.subjectdigestibility
dc.subjectcattle
dc.subjectnitrogen content
dc.subjectseasonal variation
dc.subjectgrazing
dc.subjectfeed intake
dc.subjectcattle
dc.subjectforage intake
dc.subjectnight grazing
dc.subjectSahel
dc.titleDay and night grazing by cattle in the Sahel
dc.typetext
dc.typeArticle
dc.identifier.journalJournal of Range Management
dc.description.collectioninformationThe Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information.
dc.eprint.versionFinal published version
dc.description.admin-noteMigrated from OJS platform August 2020
dc.source.volume55
dc.source.issue2
dc.source.beginpage144-149
refterms.dateFOA2020-09-18T04:59:05Z


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