The reproductive responses of two breeds of beef cows and the performance of their progeny in two contrasting environments

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cg.coverage.countrySouth Africa
cg.coverage.iso3166-alpha2ZA
cg.coverage.regionAfrica
cg.coverage.regionSouthern Africa
cg.identifier.urlhttp://www.sasas.co.za/sites/sasas.co.za/files/Vanniekerk16Issue4_0.pdfen
cg.isijournalISI Journalen
cg.issn0375-1589en
cg.issue4en
cg.journalSouth African Journal of Animal Scienceen
cg.species.breedAFRICANDERen
cg.subject.ilriCATTLEen
cg.subject.ilriANIMAL BREEDINGen
cg.subject.ilriANIMAL PRODUCTIONen
cg.subject.ilriFEEDSen
cg.subject.ilriENVIRONMENTen
cg.volume16en
dc.contributor.authorNiekerk, A. vanen
dc.contributor.authorLishman, A.Wen
dc.contributor.authorLesch, S.F.en
dc.date.accessioned2015-06-05T12:17:31Zen
dc.date.available2015-06-05T12:17:31Zen
dc.identifier.urihttps://hdl.handle.net/10568/66761
dc.titleThe reproductive responses of two breeds of beef cows and the performance of their progeny in two contrasting environmentsen
dcterms.abstractThe experiment was carried out over three seasons during which a total of 889 Afrikander and 805 Simmental 'cow years' were studied. Nucleus breeding herds of each of these breeds were maintained at stations in the Highland Sourveld and the Valley Thornveld. At weaning, half of the progeny of each breed were transferred to the alternate location; the other half were retained at their original location. Afrikander and Simmental cows had calving rates of 53.59% and 58.85% respectively in the Thornveld and 65.82% and 76.24% in the Sourveld. Significantly more Afrikander (44%) and Simmental (21%) calves were weaned in the Thornveld than the Sourveld. Breed and feed situation (stalls vs. veld) had a highly significant effect (P < 0.01) on ADG from weaning to final mass. Both the Simmental and the Afrikander calves consumed significantly more DM/kg gain in the Sourveld, than their counterparts in the Thornveld.en
dcterms.accessRightsOpen Access
dcterms.bibliographicCitationNiekerk, A. van, Lishman, A.W and Lesch, S.F. 1986. The reproductive responses of two breeds of beef cows and the performance of their progeny in two contrasting environments. South African Journal of Animal Science 16(4): 209-214.en
dcterms.extentp. 209-214en
dcterms.issued1986
dcterms.languageen
dcterms.subjectcattleen
dcterms.subjectreproductionen
dcterms.subjectanimal productionen
dcterms.subjectfeedsen
dcterms.subjectenvironmenten
dcterms.subjectbeef cattleen
dcterms.subjectcowsen
dcterms.subjectproductivityen
dcterms.subjectcalvesen
dcterms.subjectgrowth rateen
dcterms.subjectfeed intakeen
dcterms.subjectfeed conversion efficiencyen
dcterms.typeJournal Article

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