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Summary An equine model of acute non‐immune inflammation has been developed to facilitate studies of the inflammatory process and the actions of novel anti‐inflammatory drugs. Five polyester sponge strips soaked in sterile 2% carrageenin solution were placed in subcutaneous pouches prepared under local anaesthesia in the necks of conscious ponies. Serial removal of the strips and harvesting of the exudate enabled studies to be made of the cellular, biochemical and mediator aspects of the localised, acute inflammation, and the heat generated by the lesion was monitored by infra‐red thermometry. Maximal concentrations of the eicosanoids 6‐keto‐prostaglandin F1α, thromboxane B2 and leukotriene B, occurred at 9 h, whereas leukocyte numbers, lactate dehydrogenase (LDH) and total protein concentrations were greatest at 24 h. Lesional skin temperature was increased by approximately 4°C throughout the 24 h period. The novel anti‐inflammatory agent BW540C, administered orally at a dose‐rate of 20 mg/kg, did not affect leukocyte infiltration or the concentrations of protein, LDH and eicosanoids in exudate but serum thromboxane B2 levels were reduced. Skin temperature rises were greater in drug‐treated animals. It is concluded that higher doses of BW540C will be required for a clinically useful anti‐inflammatory action in horses. 相似文献
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Marcela Capcarova Peter Hascik Miroslava Kacaniova Gabriel Pal 《Research in veterinary science》2011,91(1):132-137
The aim of this work was to investigate the effect of probiotic preparation with multi-strains composition (Lactobacillus delbrueckii ssp. bulgaricus LAT 187, Lactobacillus acidophilus LAT 180, Lactobacillus helveticus LAT 179, Lactobacillus delbrueckii ssp. lactis LAT 182, Streptococcus thermophilus LAT 205 and Enterococcus faecium E 253) on internal milieu, antioxidant status and body weight of broiler chickens. Chickens were divided into three groups (C, control; E1 and E2, experimental groups). Experimental chickens received the probiotic preparation in drinking water. Probiotic preparation caused a significant increase of serum calcium and potassium content. In the group with higher dose of probiotic strains serum triglycerides level decreased. Total antioxidant status in groups with addition of probiotic strains showed higher values in comparison to control group. Serum albumin level was found to increase after consumption of probiotic preparation in group with higher dose of probiotic strains. Probiotic strains improved body weight in last observed weeks of feeding. 相似文献
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锥栗干制研究Ⅰ.锥栗鲜果中坏粒剔除研究 总被引：3，自引：0，他引：3
对锥栗干制品制作中所产生的原料坏粒剔除进行了研究。实验结果表明 ,通过对原料抽样比较 ,测定坏果率的含量 ,得出最佳抽样数量 ,使样品的检测结果具有代表性 ;通过对个体坏果比重的测定 ,得出总体坏果的比重 ,能最大限度剔除坏果 ;通过盐水浓度的选择 ,剔除鲜果中的坏果 ,从而保证了成品的质量。 相似文献
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借鉴国外先进的整地技术,结合黑龙江省旱作农业生产实际,以机械深松为主体的整地技术经组装配套,成为我省旱地耕作蓄水保墒技术的主体。为此,根据旱地耕作蓄水保墒技术的特点,对其应用的经济效益进行了分析。 相似文献
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Taylor MA 《Veterinary journal (London, England : 1997)》2001,161(3):253-268
The sales and use of ectoparasiticides for the control of arthropod parasites of domestic animals constitute a major sector of the global animal health market. Animals are infected by a number of parasitic insect and acarine species causing major economic losses in production livestock, intense irritation and skin disease in companion animals, or public health issues, including bites of humans or zoonotic disease transmission. Dog and cat fleas, for example, can be a serious source of both animal and human irritation, which has led to a rapid expansion in the development of flea control products. The control of ectoparasite infections of veterinary importance still relies heavily on the use of chemicals that target the arthropod nervous system. Such compounds have suffered from a number of drawbacks, including the development of resistance and concerns over human and environmental safety. The search for safer technologies has, however, been hindered by the limited number of active target sites present in arthropods and, to some degree, by the ever-increasing costs of research and development of compounds with novel modes of action.This review provides a background to the currently available groups of ectoparasiticide compounds used in veterinary medicine and highlights some of the more recent developments including the introduction of insect growth regulators and new and improved methods of product application. 相似文献
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旧院黑鸡蓝壳蛋的品质研究 总被引：1，自引：0，他引：1
旧院黑鸡蓝壳蛋的比重（４．９９），胆固醇含量（６．３３ｍｇ／ｍｌ）均极显著高于伊莎褐蛋，蛋重（５２．４ｇ）极显著小于伊莎鸡蛋，哈夫单位（８８．１８）显著高于伊鸡蛋，蛋形指数（１．３７）和蛋壳厚度（０．３１７６ｍｍ）与伊莎鸡蛋无显差异。旧院黑鸡蓝壳蛋和白壳蛋与农村散养的科白鸡白壳蛋的蛋重，比重，哈夫单位，蛋形指数等无左异。旧院黑鸡蓝壳蛋和散养科白鸡白壳蛋白壳蛋的胆固醇含量无显著差异，但极显著高于旧院 相似文献