《饲料学》课程思政元素挖掘与实践

为改善《饲料学》课程的教学效果,从教学内容和教学方式方面进行深入改革,将课程思政元素深度融入《饲料学》课程的教学过程中。在教学过程中,将案例式教学、研讨式教学、情境式教学和参与式教学等教学方式引入课堂教学,并结合《饲料学》课程性质,深度挖掘课程思政元素并将其融入教学环节,做到润物细无声,提升学生的专业知识水平、综合素养和能力和思想政治素养。     

《兽医药理学》课程教学中开展思政教育的实践与体会

将思政教育与《兽医药理学》课程专业知识融合,把思政教育贯穿于专业课程教学全程,实现全程育人、全方位育人。本文通过对《兽医药理学》课程思政改革的探索与实践,围绕《兽医药理学》课程思政建设目标,寻找思政教育融入点,挖掘思政元素,在专业知识技能传授过程中,强化对学生的价值引领,发挥专业课的德育功能,实现思政教育与专业知识教育的有机统一。     

专业课程教学中思政元素的有机融合初探 ——以特种经济动物养殖学课程为例

课程思政是将思想政治元素有机融入到专业课程中,发挥其思想政治教育功能,实现将无形的思想政治教育和有形的专业知识体系教育有机统一的教育模式.以《特种经济动物养殖学》课程为例,通过开展一系列教学探索和实践,充分挖掘课程中蕴含的思政元素,融入到课程教学过程中,对学生进行正确的价值引导和能力培养,以达到新时代高校"全程育人、全...     

《动物微生物》课程思政教学改革探索

笔者以高职畜牧兽医专业基础课程《动物微生物》的教学目标为出发点,结合新时代时期课程思政建设要求,介绍《动物微生物》的课程思政实施过程。通过将求真实证、理性思辨、严谨求实、精益求精等思政元素与教学内容有机融合,提高学生的职业与专业素养,树立学生的世界观、人生观和价值观。本文介绍了《动物微生物》课程思政的实施方法,以期为其他课程教学中思政元素的融合提供参考。     

高职《动物疫病防治技术》课程思政探索与实践

思想政治工作应贯穿教育教学全过程。高职院校在学生中开展"课程思政"是树立社会主义核心价值观、培育学生全面发展成才的重要抓手。《动物疫病防治技术》是专业核心课程,对畜牧兽医专业学生核心能力的培养有着极其关键的作用。文章从高职《动物疫病防治技术》实施课程思政的意义、课程思政元素的挖掘、课程思政教学设计及课程思政的实施四个方面进行探索,使学生获得专业知识的同时,接受德育培育,让学生成为德才兼备、全面发展的人才。     

《天然药物化学》教学中实施课程思政的探索与实践

随着思政教育逐渐走进课堂,如何在专业课中有效融入思政元素已成为高校教师面临的新问题。《天然药物化学》是动物药学专业的一门专业课。通过学习能让学生掌握天然药物化学成分的研究方法。笔者从教学目的、教学内容、教学案例、实验教学等方面将思政元素融入教学改革,将专业知识与思政教育有机结合,实现思政课程到课程思政的顺利转化,达到全课程育人的目的。     

兽医生物制品学课程思政融入的思考

课程思政是思政教育与专业教育的有机结合,是当前国家深化高等教育改革,全面提高人才素质,实现人才强国的需要。教师要将思政教育融入课堂教学,通过具体事例让学生认识到兽医生物制品学对人类和畜牧业所做的贡献,课程蕴含思政元素的挖掘,培养学生正确的价值观,激发学生学习本门课的兴趣,以期培养合格的动物医学类专业人才。     

《饲料学》课程思政教育资源的挖掘与应用

德育教育在高校教育中不可或缺,《饲料学》课程同样肩负着培养合格的社会主义建设者和接班人的任务。笔者挖掘了《饲料学》课程中蕴含的思政教育资源,梳理了课程思政和专业知识的融合点,提出了课程思政教育资源的运用手段及方法,旨在为《饲料学》课程思政的实施和课程教学改革提供思路。     

思政融入《宠物传染病》课程的教学实践

本文以动物医学专业《宠物传染病》为例开展课程思政改革的探索,结合宠物传染病课程专业知识的特点,深入挖掘其中的思政元素,充分发挥动物医学专业课堂的德育功能,使学生接受专业知识及技能培训的同时接受德育培育,提高学生思想道德素养,以期培育出德才兼备的新时代创新人才。     

智慧教育背景下《饲料添加剂学》课程思政教学实践与探索

立德树人是高等教育的根本任务。课程思政建设对于全面提升高校人才的培养质量有重要意义。笔者以《饲料添加剂学》课程为例,结合智慧教学手段融入课程思政,以培养学生的家国情怀、道路自信、道德修养和法治观念等为切入点,从课程整体设计、育人理念凝炼、思政元素挖掘、实现路径等开展混合式教学模式下的课程思政教学改革和探索,以期提升专业课程思政的育人效果,培养具有大国三农情怀、德才兼备的高素质动物科学专业人才。     

Phase I evaluation of CCNU (lomustine) in tumor-bearing cats

1-(2-Chloroethyl)3-cyclohexyl-1-nitrosourea (CCNU) is an alkylating agent in the nitrosourea subclass. A prospective evaluation of CCNU was done to determine the maximally tolerated dosage of CCNU in tumor-bearing cats. Response data were obtained when available. Twenty-five cats were treated with CCNU at a dosage of 50-60 mg/m3 body surface area. Complete hematologic data were available for 13 cats. Neutropenia was the acute dose-limiting toxicity. The median neutrophil count at the nadir was 1,000 cells/microL (mean, 2,433 cells/microL; range, 0-9,694 cells/microL). The time of neutrophil nadir was variable, occurring 7-28 days after treatment, and counts sometimes did not return to normal for up to 14 days after the nadir. Based on these findings, a 6-week dosing interval and weekly hematologic monitoring after the 1st treatment with CCNU are recommended. The nadir of the platelet count may occur 14-21 days after treatment. The median platelet count at the nadir was 43,500 cells/microL. No gastrointestinal, renal, or hepatic toxicities were observed after a single CCNU treatment, and additional studies to evaluate the potential for cumulative toxicity should be performed. Five cats with lymphoma and 1 cat with mast cell tumor had measurable responses to CCNU. Phase II studies to evaluate antitumor activity should be completed with a dosing regimen of 50-60 mg/m3 every 6 weeks.     

Prevalence of gastric lesions in racing Alaskan sled dogs

Human and equine athletes are reported to have a high prevalence of gastric disease, and anecdotal evidence suggests a similar phenomenon applies to racing sled dogs. To investigate the prevalence of gastric disease in racing sled dogs, we conducted 2 gastroscopy studies on dogs competing in the annual Iditarod Sled Dog Race. A pilot study of dogs that were either dropped from the 2000 Iditarod Sled Dog Race because of illness or that finished the race indicated that, approximately 5 days after competing, 10 of 28 dogs (35%) had endoscopic evidence of gastric ulceration, erosion, or hemorrhage. The next year, an endoscopic study of 73 dogs participating in the 2001 Iditarod race was performed in order to evaluate a larger population of dogs. Data from 70 of these dogs could be used; 34 (48.5%) had ulceration, erosion, gastric hemorrhage, or some combination of these findings. When this group of 70 dogs was compared retrospectively to a control group of 87 dogs presented to the Texas A&M University (TAMU) Veterinary Medical Teaching Hospital, the Iditarod sled dogs had a significantly higher prevalence (P = .049) of gastric lesions. These findings suggest that, similar to athletes of other species, elite canine athletes have an increased prevalence of gastric disease compared to the canine population at large.     

Furosemide continuous rate infusion in the horse: evaluation of enhanced efficacy and reduced side effects

Continuous rate infusion (CRI) of furosemide in humans is considered superior to intermittent administration (IA). This study examined whether furosemide CRI, compared with IA, would increase diuretic efficacy with decreased fluid and electrolyte fluctuations and activation of the renin-angiotensin-aldosterone system (RAAS) in the horse. Five mares were used in a crossover-design study. During a 24-hour period, each horse received a total of 3 mg/kg furosemide by either CRI (0.12 mg/kg/h preceded by a loading dose of 0.12 mg/kg IV) or IA (1 mg/kg IV q8h). There was not a statistically significant difference in urine volume over 24 hours between methods; however, urine volume was significantly greater after CRI compared with IA during the first 8 hours ([median 25th percentile, 75th percentile]: 9.6 L [8.9, 14.4] for CRI versus 5.9 L [5.3, 6.0] for IA). CRI produced a more uniform urine flow, decreased fluctuations in plasma volume, and suppressed renal concentrating ability throughout the infusion period. Potassium, Ca, and Cl excretion was greater during CRI than IA (1,133 mmol [1.110, 1,229] versus 764 mmol [709, 904], 102.7 mmol [96.0, 117.2] versus 73.3 mmol [65.0, 73.5], and 1,776 mmol [1,657, 2.378] versus 1,596 mmol [1,457, 1,767], respectively). Elimination half-lives of furosemide were 1.35 and 0.47 hours for CRI and IA, respectively. The area under the excretion rate curve was 1,285.7 and 184.2 mL x mg/mL for CRI and IA, respectively. Furosemide CRI (0.12 mg/kg/h) for 8 hours, preceded by a loading dose (0.12 mg/kg), is recommended when profound diuresis is needed acutely in horses.     

The Epidemiology of Gastrointestinal Nematodes of Dairy Cattle in Central Kenya

The epidemiology of H. placei and of other gastrointestinal nematodes in yearling dairy cattle was examined on two farms in Kiambu District, central Kenya during each of 13 one-month periods from April 1993 to April 1994. On each farm, 32 newly weaned dairy calves were given a single dose of albendazole and then placed on experimental pastures. Twelve of the animals were designated for bi-monthly slaughter (n = 2) and analysis of worm population characteristics and 20 were designated for blood and faecal collection and for weighing. Two parasite-free tracer calves were grazed alongside the weaner calves each month throughout the study period and were also slaughtered for analysis of worm populations. Faecal egg counts, haematological and serum pepsinogen determinations, herbage larval counts, and animal live weight changes were recorded monthly. The study revealed that Haemonchus placei, Trichostrongylus axei, Cooperia spp. and Oesophagostomum radiatum were responsible for parasitic gastroenteritis and that H. placei was the predominant nematode present in the young cattle on both farms. Faecal egg counts from resident cattle and necropsy worm counts revealed that pasture larval levels were directly related to the amount of rainfall. The total worm burdens in the animals were highest during the rainy season (March–June and October–December) and lowest during the dry seasons (July–September and January–February). The very low recovery of immature larvae of H. placei from the tracer calves indicated that arrested development is not a feature of the life cycle of this parasite in central Kenya. The maintenance of the parasite population depended on continuous cycling of infection between the host and the pasture. The agroclimatic conditions of the study area were such that, in general, favourable weather conditions for the development and survival of the free-living stages of gastrointestinal nematodes existed all year round.     

Diversity of Ectoparasites in Sheep Flocks in Sa~o Paulo,Brazil

The occurrence of ectoparasites in sheep flocks is frequently reported but seldom quantified. Sheep production used to be a predominantly family activity in the state of Sa~o Paulo (Brazil), but it began to become a commercial activity in the past decade. Thus, information about the ectoparasites existing in sheep flocks has become necessary. The present data were obtained by means of questionnaires sent to all sheep breeders belonging to the `Associaça~o Paulista de Criadores de Ovinos' (ASPACO; Sa~o Paulo State Association of Sheep Breeders). Response reliability was tested by means of random visits paid to 10.6% of the respondents. Most of the properties (89.5%) reported the presence of one or more ectoparasites. Screw-worm (Cochliomyia hominivorax) was the most frequent ectoparasite (72.5%), followed by bot fly larvae (Dermatobia hominis, 45.0%), ticks (Amblyomma cajennense) and Boophilus microplus, 31.3%) and finally lice (Damalinia ovis, 13.8%). Combined infestations also occurred, the most common one being screw-worm with bot fly larvae (36.0%) followed by bot fly larvae with ticks (13.9%), screw-worm with ticks (9.3%), bot fly larvae with lice (6.9%), and ticks with lice (5.0%). The most common triple combination was screw-worm, bot fly larvae and ticks (12.8%). Breeds raised for meat or wool were attacked by bot fly larvae and ticks more often than other breeds. Lice were only absent from animals of indigenous breeds. The relationships among these ectoparasites are discussed in terms of sheep breeds, flock size, seasonality and the ectoparasitic combinations on the host.     

Evaluation of biohydrogenation rate of canola vs. soya bean seeds as unsaturated fatty acids sources for ruminants in situ

An experiment was conducted to study disappearance of C14 to C18 fatty acids, lag times and biohydrogenation (BH) rates of C18 fatty acids of ground soya bean and canola seeds in situ. Three ruminally fistulated Dallagh sheep were used to determine ruminal BH of unsaturated fatty acids (UFAs). Differences in the disappearance of fatty acids through the bags and lag times were observed between the oilseeds. We saw that the longer the incubation time of the oilseeds in the rumen, the lower the content of C18:2 and C18:3. Significantly higher lag times for both C18:2 and C18:3 were observed in ground canola compared to ground soya bean. BH rates of C18:2 and C18:3 fatty acids in soya bean were three times higher than those of canola. These results suggest that the fatty acid profile of fat source can affect the BH of UFAs by rumen micro‐organisms. So that UFAs of canola had higher ability to escape from ruminal BH. It seems that fatty acid profile of ruminant products is more affected by canola seed compared to soya bean seed.     

Serum biochemical values and mineral element contents of tissues in yaks

Serum biochemical values and the wet weight to dry weight ratios of tissues were determined in yaks in Shandan county of Gansu province. The liver, kidney, heart and muscle contents of seven elements in yaks were also analysed. Most serum biochemical values were similar to those of cattle, camels and sheep, but the calcium concentration was considerably above the normal range for other ruminants. The liver contained the highest concentrations of copper, manganese and cobalt and the kidney of selenium, iron and calcium.Abbreviations Alb albumin - ALT alanine aminotransferase - AST aspartate aminotransferase - BUN blood urea nitrogen - Chol cholesterol - Glob globulin - -GT -glutamyl transpeptidase - IP inorganic phosphorus - TP total protein     

Avian brood parasitism — a growing research area in behavioral ecology (part Ⅱ)

正We are pleased to publish the second special issue on avian brood parasitism and to be responsible guest editors for the two special issues of Chinese Birds (Vol. 3, No. 4, 2012 and Vol. 4, No. 1, 2013), entitled "Avian Brood Parasitism - A Growing Research Area in Behavioral Ecology". The first issue was published in December 2012. The goal of the two special issues is to publish accumulated knowledge and some of the recent developments in     

Internal Parasites and Haematological Values in Cattle Slaughtered in Buea Subdivision of Cameroon

Tropical Animal Health and Production -