Zobrazeno 1 - 10
of 10
pro vyhledávání: '"D. C. Lourens"'
Publikováno v:
Journal of the South African Veterinary Association, Vol 82, Iss 1, Pp 47-52 (2011)
Journal of the South African Veterinary Association, Volume: 82, Issue: 1, Pages: 47-52, Published: 2011
Scopus-Elsevier
Journal of the South African Veterinary Association, Volume: 82, Issue: 1, Pages: 47-52, Published: 2011
Scopus-Elsevier
This study was conducted to determine the effect of feeding high milk volumes on the growth rate, health and cross-sucking behaviour in group-fed Jersey calves. Three-day-old heifers (n = 120) in a seasonal calving dairy herd were randomly assigned t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f3c881c25e1bb5694ea8ce68275f33a
https://doi.org/10.4102/jsava.v82i1.33
https://doi.org/10.4102/jsava.v82i1.33
Autor:
D. C. Lourens, Peter N. Thompson, Johanna C. Watermeyer, Inge-Marie Petzer, G. H. Rautenbach, T.J. Van der Schans, R. Van Reenen
Publikováno v:
Scopus-Elsevier
Journal of the South African Veterinary Association, Vol 80, Iss 1, Pp 23-30 (2009)
Journal of the South African Veterinary Association, Volume: 80, Issue: 1, Pages: 23-30, Published: 2009
Journal of the South African Veterinary Association, Vol 80, Iss 1, Pp 23-30 (2009)
Journal of the South African Veterinary Association, Volume: 80, Issue: 1, Pages: 23-30, Published: 2009
The objectives of this study were to compare the efficacy of 6 different dry-cow intramammary antimicrobial products for the treatment and prevention of mastitis during the dry period in a well-managed high producing Friesland dairy herd, and the inf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1b67926767344a8971804667a19482f
https://pubmed.ncbi.nlm.nih.gov/19653515
https://pubmed.ncbi.nlm.nih.gov/19653515
Autor:
N. A. Campbell, J. V. de Little, R. K. Schmidt, J. Freer, T. N. Pocock, J. M. Winterbottom, G. J. Broekhuysen, M. H. Broekhuysen, D. C. Lourens, A. J. Tree, C. J. Skead, C. J. Uys, D. Barbour, J. Ledger
Publikováno v:
Ostrich. 32:181-189
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48be30be67405e6b85cdab7bcc34293b
https://doi.org/10.1080/00306525.1961.9633095
https://doi.org/10.1080/00306525.1961.9633095
Autor:
D C, Lourens
Publikováno v:
Journal of the South African Veterinary Association. 51(2)
Nutritional or secondary hyperparathyroidism in a litter of German shepherd dogs is reported. The bitch lost interest in the litter 2 weeks post partum, the owner proceeded to feed the pups on a mainly meat diet (low in calcium) together with whole w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::6cc8fcbfd45b563119839358e9bd11d1
https://pubmed.ncbi.nlm.nih.gov/7252968
https://pubmed.ncbi.nlm.nih.gov/7252968
Autor:
D C, Lourens, R I, Coubrough
Publikováno v:
Journal of the South African Veterinary Association. 57(1)
Integrated gynaecological programmes play an extremely important role in total herd health control by ensuring the maintenance of optimal reproduction and production. The economic implications of reduced breeding efficiency manifest in, and are refle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::e1e2dc180d6ee8c381c7e5c205bbedda
https://pubmed.ncbi.nlm.nih.gov/3783571
https://pubmed.ncbi.nlm.nih.gov/3783571
Autor:
I B, van Rensburg, D C, Lourens
Publikováno v:
Journal of the South African Veterinary Association. 52(3)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::c5cf6dbd9e0e4edaaa36612f1414f096
https://pubmed.ncbi.nlm.nih.gov/7310800
https://pubmed.ncbi.nlm.nih.gov/7310800
Publikováno v:
Journal of the South African Veterinary Association. 52(3)
The clinical and pathological findings in 2 sibling Bloodhound pups with spastic paresis of the pelvic limbs due to toxoplasmosis are described. Macropathology consisted of bilateral atrophy of the musculature of the affected limbs. Histopathology re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::752e688dca439491815a69ef375c977e
https://pubmed.ncbi.nlm.nih.gov/7310796
https://pubmed.ncbi.nlm.nih.gov/7310796
Autor:
D C, Lourens
Publikováno v:
Journal of the South African Veterinary Association. 59(1)
This paper describes a pilot trial carried out, to investigate the use of progesterone releasing intravaginal device(PRID) in controlled breeding in heifers under South African conditions. PRID's containing progesterone and oestradiol benzoate were e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::f4969df1e1f3e06199a7377482d25bad
https://pubmed.ncbi.nlm.nih.gov/3361558
https://pubmed.ncbi.nlm.nih.gov/3361558
Autor:
D C, Lourens, R I, Coubrough
Publikováno v:
Journal of the South African Veterinary Association. 56(3)
A dairy herd health programme may be defined as a planned and co-ordinated approach which aims at achieving and maintaining optimal herd health, production and reproduction, the implementation of which is governed by sound economic principles. The ob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::516b3e702ed5186fd727f8bbd1c7e769
https://pubmed.ncbi.nlm.nih.gov/4078844
https://pubmed.ncbi.nlm.nih.gov/4078844
Publikováno v:
Journal of the South African Veterinary Association. 53(4)
The present study is one of in vivo 99mTc-DTPA renography, successively involving conscious healthy dogs under acepromazine maleate sedation and dogs under the narcotic sodium thiopental. It was found that during the running of the renogram the anima
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::c32a6b162ad2b2e1e990f3caa5860f8a
https://pubmed.ncbi.nlm.nih.gov/6763631
https://pubmed.ncbi.nlm.nih.gov/6763631