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Abstract Extract We read with interest the recent article on the use of genetic modification technologies published in the April 2003 issue of the New Zealand Veterinary Journal (Crawford 2003). In the section on commercialisation of DNA tests, Dr Crawford appears to have overlooked the footrot gene-marker test that has been commercially available through Lincoln University for the last 2 years. This test, developed with the assistance of MeatNZ and the New Zealand Wool Board, is based on assessing variation in the ovine MHC-DQA gene and the relationship of that variation to the ability of sheep to tolerate footrot. 相似文献
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Abstract A Short Communication was published in the October 2002 issue of the New Zealand Veterinary Journal entitled “An investigation of the safety of oral calcium formate in dairy cows using clinical, biochemical and histopathological parameters” (McIntyre and Weston 2002). It appeared to be comparing results directly withthose of a prior communication (Scott and Van Wijk 2000). 相似文献
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M.P. Reichel 《New Zealand veterinary journal》2013,61(1)
Abstract Extract Neospora caninum is a major cause of disease in cattle and dogs, manifesting with abortions in cattle, and hind limb paresis in mostly young dogs (1) . Previous reports from New Zealand suggest that around 30% of bovine abortions may be due to Neospora (2) (3) and that about 40% of recently aborted dairy cows have antibodies against Neospora (4) . 相似文献
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Abstract Extract The paper by Goodwin et al (2004) which appeared in the August 2004 issue of the New Zealand Veterinary Journal highlighted the prevalence and costs to the sheep industry of pneumonia in lambs. The costs are considerable, and the article begs the question, “what can sheep farmers do to reduce the effects of pneumonia in lambs?” 相似文献
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Abstract Extract In the last 2 years, two papers have been published suggesting that current New Zealand reference criteria for diagnosing cobalt deficiency should be reviewed (Grace et al 2003), and they are conservatively high and lead to the over-diagnosis of vitamin B12 deficiency and ill-thriftiness in sheep (Gruner et al 2004). The comments refer to reference ranges cited by animal health diagnostic laboratories. These reference ranges were derived from the paper by Clark et al (1989), which reviewed data from published and unpublished weight gain response trials preceding that date. The review included all published trials in New Zealand and as many unpublished trials that the authors could obtain. They involved serum vitamin B12 data from 54 trials and liver vitamin B12 data from 21 trials. It was stated that more data from trials conducted in autumn were required to reliably determine an autumn response curve. In addition, it was envisaged that as other trial data became available the reference curves could be upgraded (Clark et al 1985). 相似文献
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H. Burbidge 《New Zealand veterinary journal》2013,61(3)
Abstract Extract It is always satisfying to attempt to explain the clinical signs of a disease from the altered physiology that occurs. In the article Neurogenic laryngeal paralysis in the dog(1) the clinical signs of laryngeal stridor, increased respiratory rate and exercise intolerance could be explained as follows: 相似文献
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P.B. McKenna 《New Zealand veterinary journal》2013,61(4)
Abstract Extract In a recent publication in this journal(1), administration of oral and injectable moxidectin (Vetdectin, Cyanamid N.Z. Ltd) to goats was found to result in faecal egg count reductions of 0% and 84% respectively, in infections that were predominantly composed of Ostertugia spp. The author considered that these results raised issues pertaining to the relative effectiveness of different routes of anthelmintic administration in goats and further suggested, as the animals were suffering from “water belly” at the time of treatment, that the occurrence of this syndrome may also have affected the pharmacodynamics of the anthelmintic. 相似文献
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Abstract Extract The authors of the scientific article entitled “Use of polymerase chain reaction for the differentiation of Group A bovine rotavirus G6, G8, and G10 genotypes in the North Island of New Zealand” (Howe et al. 2008) would like to thank Dr Moffat for his letter of correspondence, and would like to take the opportunity to address the concerns raised by him in the New Zealand Veterinary Journal 57, 68, 2009, entitled, “Re: Use of polymerase chain reaction for the differentiation of Group A bovine rotavirus G6, G8, and G10 genotypes in the North Island of New Zealand”. 相似文献
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Extract Ectoparasites known to cause skin lesions in alpacas (Vicugna pacos) include the mites Sarcoptes scabiei, Chorioptes bovis and Psoroptes spp., and the lice Microthoracius mazzai and Bovicola breviceps (Cicchino et al. 1998; Foster et al. 2007). Occasionally, Demodex spp. infestations have been reported or mentioned as incidental fi ndings in llamas (Lama glama) (Atlee et al. 1997) and alpacas (Foster et al. 2007). So far, only Sarcoptes scabiei (McKenna et al. 2005), Chorioptes bovis (Arthur 1997, non-peer reviewed) and Bovicola breviceps (Palma et al. 2006) have been recorded on lamoids in New Zealand. Here, we report the first record of Demodex spp. infestation of an alpaca in New Zealand. 相似文献
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Abstract In the June 1998 issue of the New Zealand Veterinay Journal, a clinical review was published focusing on aspects of the protein nutrition of dairy cattle (Westwood et al., 1998). The authors wrote: “Most species of rumen bacteria can use ammonia for growth, but some, particularly bacteria which ferment cell wall carbohydrates, use or have obligate requirements for amino acids and peptides (Russel et al., 1992)”. 相似文献
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Abstract Extract Sir, — Leptospira interrogans serovar balcanica is now recognised as a widespread infection among opossums in New Zealand (2) and the possibility of domestic stock acting as accidental hosts has recently been demonstrated. (3) With the recent development of hardjo vaccines (1) (4) for controlling infection with this serovar in the maintenance hosts, stock could be left vulnerable to infection with other prevalent serovars such as balcanica. 相似文献
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Abstract Extract Sir, — It appears that Drs Marshall et al.(1) have missed the cardinal point of our paper on an unusual serological response in calves after use of a leptospiral vaccine. (2) That point, of course, was that after use of one leptospiral vaccine, but not another, post-vaccination microscopic agglutination titres of calves were indistinguishable from post-infection titres, whatever the actual titres may have been. 相似文献
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Hugh Black 《New Zealand veterinary journal》2013,61(3)
Abstract Extract “Gastroenteritis” of sheep being transported in bulk livestock ships has been reported (1) (2) (3) , but still remains a poorly defined disease syndrome. 相似文献
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Abstract Extract Neospora caninum is an apicomplexan protozoan parasite first reported in dogs (Bjerkås et al., 1984; Dubey et al., 1988a, Dubey et al., 1988b) and subsequently recognised as a cause of bovine abortion (Dubey and Lindsay, 1993). Natural N. caninum infections have been reported in other animal species including the goat, sheep, horse and deer (Dubey and Lindsay, 1996). The dog was recently identified as definitive host of the parasite (McAllister et al., 1998). Neospora caninum has a worldwide distribution (Barber et al., 1995; Duivenvoorden, 1995; Jardine and Wells, 1995; Stenlund et al., 1997; Thornton et al., 1991; Umemura et al., 1992) but the presence of N. caninum in Brazil has not been confirmed. 相似文献
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Abstract Extract Recently, we reported on outbreaks of Leptospira interrogans serovar pomona infection in newly weaned lambs(1). It was suggested that wet environmental conditions played an important role in the pathogenesis of the disease in that class of sheep. This communication presents observations on another case of ovine leptospirosis, one that occurred under different circumstances, i.e. different season, age and environmental conditions. 相似文献
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Abstract Extract As dairy herds get larger cows have to walk further, and foot care becomes more important. Lameness from bruising of the soles of the feet is a particular hazard (Tranter and Morris 1991, especially on hard tracks with loose angular stones or grit (Clackson and Ward 1991. One way of reducing this problem might be to provide an overlay of woodchips on top of the normal hard track. This would provide a softer grit-free surface, which could be more comfortable for the cows. 相似文献
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T.J. McClure B.V.Sc. 《New Zealand veterinary journal》2013,61(5):107-112
Abstract Extract Sir.—I refer to the paper by Day(1) on induction of parturition in a dairy herd. This report was read with a considerable degree of interest as it included results which are significantly different from those which we would have expected from extensive field experience in New Zealand and overseas. 相似文献
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Abstract Extract Madam: — The purpose of this letter is to describe a case seen in our Levin Clinic which has many of the features characteristic of feline dysautonomia - the Key-Gaskell syndrome. Information on the history, clinical signs, pathology and treatment of the condition are given by Jones and Lee. (4) ( 相似文献