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Browsing Production Animal Studies by Author "Nothling, Johan Oliviette"
Now showing items 1-20 of 27
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Irons, Pete Charles; Nothling, Johan Oliviette; Bertschinger, Hendrik Jan (Elsevier, 2007-10-01)The motivation for and process leading up to the publication of a new bull breeding soundness certification standard endorsed by the South African Veterinary Association is described. The veterinary certificate of bull ...
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Brown, Geoffrey James; Forbes, Patricia B.C.; Myburgh, Jan G.; Nothling, Johan Oliviette (Wiley, 2020-08)Unbanded crocodilian eggs do not form an opaque band around their lesser circumference, indicating fertilization failure or early embryonic death. Assuming they represent fertile eggs prior to the onset of embryonic ...
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Brown, Geoffrey James; Nothling, Johan Oliviette; De Cramer, Kurt Guido Mireille (Wiley, 2021-10)An interesting pattern of tail-in, head-out sperm agglutination was identified in a Brucella canis seronegative subfertile dog. Centrifuged seminal plasma from this dog could induce a similar pattern of agglutination in ...
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Nothling, Johan Oliviette; De Cramer, Kurt Guido Mireille (Wiley, 2018-10)Please read abstract in the article.
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Brown, Geoffrey James; Forbes, Patricia B.C.; Myburgh, Jan G.; Nothling, Johan Oliviette (NISC Pty (Ltd) and Informa Limited (trading as Taylor and Francis Group, 2021)Research in other species suggests that the source of embryonic calcium (Ca) and phosphorus (P) for Crocodylus niloticus is likely yolk and shell. Using inductively coupled plasma optical emission spectroscopy (ICP-OES), ...
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Nothling, Johan Oliviette; De Cramer, Kurt Guido Mireille (AOSIS OpenJournals, 2019-10-22)The Coat-A-Count® radioimmunoassay has been long and widely used to determine the concentration of progesterone in serum or plasma of bitches (progRIA), but was discontinued in 2014. The Immulite® 1000 LKPG1 chemiluminescence ...
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De Cramer, Kurt Guido Mireille; Nothling, Johan Oliviette (Elsevier, 2019-01)Properly planned elective cesarean section (CS) in bitches is considered safe and justified for some breeds. Therefore, planning a scheduled (fixed date and time) preparturient CS in bitches belonging to a subpopulation ...
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Stansfield, Fiona Jane; Nothling, Johan Oliviette; Soley, John Thomson; Allen, William R. (Society for Reproduction and Fertility, 2012-11)The follicular reserve and its ontogeny in the elephant are of interest because elephants have the longest reproductive life of all land-based mammals. They also have the longest recorded pregnancy which allows a protracted ...
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Stansfield, Fiona Jane; Nothling, Johan Oliviette; Ansari, Tahera (Elsevier, 2011-11)BACKGROUND: Data on the distribution of primordial (single layer of squamous granulosa cells), early primary (some granulosa cells cuboidal) and primary (all granulosa cells cuboidal) follicles, grouped together as small ...
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Stansfield, Fiona Jane; Picton, Helen M.; Nothling, Johan Oliviette (Elsevier, 2011-01)Information on the ovarian follicle reserve in the African elephant (Loxodonta africana) is lacking. This study set out to determine the ratios of early preantral follicles and their relative dimensions in the ovaries of ...
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Mataveia, G.A.; Terblanche, S.J.; Nothling, Johan Oliviette; Gerber, David (South African Veterinary Association, 2010)Ram seminal plasma increases the fertility of frozen–thawed ram spermatozoa deposited into the cervix. The aim of the current study was to compare the effect of ram seminal plasma to that of bull seminal plasma, dog ...
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Nothling, Johan Oliviette; Gerber, David; Colenbrander, B.; Dijkstra, Maaike; Bakker, Tynke; De Cramer, Kurt Guido Mireille (Elsevier, 2007-01)Although dog prostatic fluid decreases the longevity of ejaculated dog spermatozoa, it also increases their rate of motility and their fertility after vaginal insemination, as well as the fertility of epididymal spermatozoa ...
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Nothling, Johan Oliviette (University of Pretoria, 1995)No abstract
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Steckler, Daniela; De Cramer, Kurt Guido Mireille; Nothling, Johan Oliviette (Elsevier, 2017-10)Multiple conceptuses from one follicle due to multi-ovular follicles or monozygotic twins inflate the ratio between the numbers of conceptuses and corpora lutea and possibly the effect ascribed to experimental treatment. ...
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Joone, C.J. (Carolynne); De Cramer, Kurt Guido Mireille; Nothling, Johan Oliviette (Wiley, 2016-10)Monozygotic twinning has not previously been genetically confirmed in the dog. This case report describes the finding of two viable male monozygotic foetuses within one placental site during caesarean section. Their ...
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Stansfield, Fiona Jane; Nothling, Johan Oliviette; Allen, William R. (BioMed Central, 2012-07-23)BACKGROUND Follicle numbers and developing ovarian morphology, particularly with reference to the presence of interstitial tissue, are intimately linked within the ovary of the African elephant during the period spanning ...
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De Cramer, Kurt Guido Mireille; Joubert, Kenneth E.; Nothling, Johan Oliviette (Elsevier, 2016-09)Hematocrits were measured before each of 406 cesarean sections performed on 324 bitches at term and again after crystalloid fluid therapy administered at 35 mL/kg over 1½– 2 hours starting from induction. The mean ...
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De Cramer, Kurt Guido Mireille; Nothling, Johan Oliviette (Elsevier, 2018-06)Correct assessment of readiness for cesarean section is essential for timing elective cesarean section during late pregnancy in the bitch. In humans, biparietal diameter is sufficiently precise and accurate and used in a ...
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Peterson, K.; Kappen, M.A.P.M.; Ursem, P.J.F.; Nothling, Johan Oliviette; Colenbrander, B.; Gadella, B.M. (Elsevier, 2007-03)This study was done to determine the effects of processing techniques on the quality of semen from Dutch AI-bucks with the view on improving pregnancy rates after artificial insemination (AI) with liquid or frozen–thawed ...
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Nothling, Johan Oliviette; Nothling, Johan Oliviette; Myburgh, Jan G. (AOSIS, 2019)The value of their leather stimulates commercial farming with several crocodilian species. The survival and growth of crocodile hatchlings depends on their birth mass. There exists a positive relationship between the ...
Now showing items 1-20 of 27