黄土高原农牧产错带草业发展前景浅析—对环县苜蓿草产业发展的分析

黄土高原农牧交错带发展草业具有生态、经济、社会效益兼顾的功能，可以解决产业发展与生态建设的矛盾，环县等地种植苜蓿能使不利的气候条件向有利于草业发展的方向转变，秋季（6月中下旬－7月）播种苜蓿与春季播种相比，出苗，越冬和渡过年来春草生长有保证，立草为业，走产业化道路应成为该区域草业发展的指导原则，建议采取扶持龙头企业，重视种子工程，规范种植技术和强化政府配套服务等措施。     

中国草业发展之我见——关于草牧业发展的战略思考

目前中央对草业发展十分重视,当前苜蓿业也呈现了良好的发展势头,但就草业整体发展来说,笔者有些看法,本文分别从中国草业的战略定位和方向问题、草业与苜蓿业的关系等方面作以阐述,并提出一些建议以供参考。     

苜蓿栽培与肥料效应田间试验

为了迅速发展内蒙古巴彦淖尔市的畜牧业及解决该市牧草短缺的现状,巴彦淖尔市农牧业科学研究院草原与草业中心在乌拉特后旗青山镇西补隆村圣牧高科有限公司苜蓿基地进行了苜蓿种植试验。试验结果表明,运用科学的栽培技术与施肥方法种植苜蓿可达到高产、高效的目的。     

我对“草牧业”一词的初步理解

<正>2015年中央一号文件,出现一个新词——"草牧业"。出现这个新词的上下文是这样的:"加快发展草牧业,支持青贮玉米和苜蓿等饲草料种植,开展粮改饲和种养结合模式试点,促进粮食、经济作物、饲草料三元种植结构协调发展"。其核心含义是在18亿亩耕地红线以内可种植玉米、苜蓿等饲用作物,给草业在农耕地区发展开了绿灯,也为农业结构调整提供了新机遇,而调结构正是十八大以来大国崛起的重大步骤。支持农区的草业,自然含有在农耕地区发展牧业,尤其草食家畜,以带动全国的草业和牧业的含义。     

科尔沁沙地播种时期对不同紫花苜蓿品种抗寒性的影响

为探讨科尔沁沙地苜蓿根颈抗寒保护物质对播种时期的生理响应。选择3个紫花苜蓿品种(骑士T、公农1号、擎天柱),在内蒙古自治区赤峰市阿鲁科尔沁旗草业核心区,于2017年7月1日开始,每隔5 d播种一期,播种至8月15日。2017年10月11日、11月11日取样测定紫花苜蓿根颈中可溶性糖、可溶性蛋白、游离氨基酸、淀粉含量,翌年春季调查越冬率,对苜蓿根颈中的抗寒保护物质含量变化及其与越冬率的相关性进行探究。结果表明,随着播种时期的推迟,苜蓿根颈的可溶性糖、可溶性蛋白、淀粉、游离氨基酸均呈递减趋势,苜蓿越冬率与11月11日取样测定苜蓿根颈中的可溶性糖、可溶性蛋白、游离氨基酸均呈极显著正相关关系;苜蓿越冬率与10月11日取样测定苜蓿根颈中的可溶性糖含量呈显著正相关关系,与可溶性蛋白和游离氨基酸呈极显著正相关关系;公农1号苜蓿品种在11月11日测定的根颈的可溶性糖含量及淀粉含量显著高于骑士T和擎天柱,且与越冬率变化一致。研究认为,播种时期是影响科尔沁沙地苜蓿越冬的重要因素之一,苜蓿根颈中可溶性糖、可溶性蛋白、游离氨基酸是抗寒保护物质。为确保安全越冬科尔沁沙地种植苜蓿最佳的播种时期为7月1日-7月16日,适宜该地区种植的品种为公农1号。     

信息动态

2015年中央一号文件,出现一个新词——“草牧业”.出现这个新词的上下文是这样的:“加快发展草牧业,支持青贮玉米和苜蓿等饲草料种植,开展粮改饲和种养结合模式试点,促进粮食、经济作物、饲草料三元种植结构协调发展”.其核心含义是在18亿亩耕地红线以内可种植玉米、苜蓿等饲用作物,给草业在农耕地区发展开了绿灯,也为农业结构调整提供了新机遇,而调结构正是十八大以来大国崛起的重大步骤.支持农区的草业,自然含有在农耕地区发展牧业,尤其草食家畜,以带动全国的草业和牧业的含义.     

科尔沁沙地播种时期对不同紫花苜蓿品种抗寒性的影响

为探讨科尔沁沙地苜蓿根颈抗寒保护物质对播种时期的生理响应。选择3个紫花苜蓿品种(骑士T、公农1号、擎天柱),在内蒙古自治区赤峰市阿鲁科尔沁旗草业核心区,于2017年7月1日开始,每隔5 d播种一期,播种至8月15日。2017年10月11日、11月11日取样测定紫花苜蓿根颈中可溶性糖、可溶性蛋白、游离氨基酸、淀粉含量,翌年春季调查越冬率,对苜蓿根颈中的抗寒保护物质含量变化及其与越冬率的相关性进行探究。结果表明,随着播种时期的推迟,苜蓿根颈的可溶性糖、可溶性蛋白、淀粉、游离氨基酸均呈递减趋势,苜蓿越冬率与11月11日取样测定苜蓿根颈中的可溶性糖、可溶性蛋白、游离氨基酸均呈极显著正相关关系;苜蓿越冬率与10月11日取样测定苜蓿根颈中的可溶性糖含量呈显著正相关关系,与可溶性蛋白和游离氨基酸呈极显著正相关关系;公农1号苜蓿品种在11月11日测定的根颈的可溶性糖含量及淀粉含量显著高于骑士T和擎天柱,且与越冬率变化一致。研究认为,播种时期是影响科尔沁沙地苜蓿越冬的重要因素之一,苜蓿根颈中可溶性糖、可溶性蛋白、游离氨基酸是抗寒保护物质。为确保安全越冬科尔沁沙地种植苜蓿最佳的播种时期为7月1日-7月16日,适宜该地区种植的品种为公农1号。     

中国苜蓿产业化与苜蓿生产企业化

本文从生态、农业种植结构、产业结构调整和中国草业发展的需要阐述了苜蓿产业化的重要性和意义,分析了苜蓿产业化的市场和效益,从企业经营的角度提出苜蓿产业化和经营值得思考的问题.     

坚持“四个结合”积极推动草产业发展

正近年来,安徽省畜牧技术推广总站积极探索做活草文章,发挥天然草地资源优势,通过草地改良和退耕还草,大力推动草产业发展。目前全省人工种草面积150万亩,其中秋实草业苜蓿种植面积10万亩,开创南方大面积种植苜蓿的先河。全株青贮玉米种植面积35万亩,产量38.1万吨;天然草地改良7万亩。涌现出了以秋实草业为代表的专业公司8家,草业产值达到2.8亿元。初步形成了草、畜产业融合发展,新型草地农业系统建设厚积薄发的良好态势。     

寒区苜蓿品种选育及推广在奶业发展中的作用

苜蓿是牧草之王，是奶牛的优良饲料，发展奶业，草业必先行，而选育及推广适宜的苜蓿品种尤为重要。本文系统地阐述了苜蓿在奶业、农业种植结构调整中所起的重要作用和意义，提出了黑龙江省苜蓿研究和发展的方向，使我省奶业得以可持续地发展。     

国内生态恢复研究进展

本文介绍了生态恢复的研究进展,从生态恢复的定义、退化生态系统的指标等方面进行阐述,重点对国内在恢复生态学方面的进展做了介绍.对当前的人工草地、草地农业的研究情况做了一些概述.     

国内生态恢复研究进展

本文介绍了生态恢复的研究进展,从生态恢复的定义、退化生态系统的指标等方面进行阐述,重点对国内在恢复生态学方面的进展做了介绍。对当前的人工草地、草地农业的研究情况做了一些概述。     

Application of the log-linear model in the prediction of the antinuclear antibody test in the dog

To find possible associations between antinuclear antibody (ANA) pattern, ANA titer, and certain clinical changes and clinical laboratory test results in dogs, the veterinary medical records of 111 ANA-positive and 126 ANA-negative dogs were examined. Variables could not be found that had significant associations with ANA pattern (unlike the results in persons), because of the predominance of 2 patterns. A log-linear model for ANA titer adequately fit the observed frequency and included 2-way interactions between titer and polyarthritis, titer and hematologic disorders, and polyarthritis and lymphadenopathy.     

Veterinary pathology in Europe in the light of the congresses of the European Society of Veterinary Pathology in the last decade

This paper presents the main trends in the activity of European veterinary pathologists in the context of their oral presentations (plenary lectures and short presentations) and posters provided during annual meetings of the European Society of Veterinary Pathology (ESVP), in the decade 1997-2006. It was found that the issue that was most often brought up in the meetings was organ pathology (566 presentations). Infectious and parasitical diseases were only slightly less frequent (548 presentations). Oncology was another common issue (404 presentations). During this decade, 52 plenary lectures were presented, 765 oral presentations and 1 072 posters. Altogether, 1 889 presentations were made, which is between 127 and 238 per year. Research by Polish scientists accounted for 3.16% of all presentations. Additionally, the subject matter discussed at the annual meetings is analysed, and the trends in the development of veterinary diagnostic pathology and broad pathology education are indicated. It is shown that veterinary pathology enhances knowledge in the field of veterinary medicine by fulfilling a cognitive and diagnostic role.     

Evidence for the non-involvement of the uterus in the lifespan of the corpus luteum in the cyclic dog

Progesterone levels in peripheral blood of dogs were analysed during the cycle in which hysterectomy (n = 5) or sham surgery (n = 3) was performed as well as during the cycle of dogs (n = 5) hysterectomized at least one year prior to this study; the data were compared with the findings in control dogs (n = 3). The averages of the duration of the luteal period observed in the three experimental groups were not significantly different from those of control dogs. Immediately after surgery, the progesterone level decreased from 25 to 50% of the presurgical level, but returned to presurgical level in about four days. Prolactin levels were elevated for about 30 h after surgery. Nevertheless, the averages of the mean prolactin levels for each animal during the luteal period of the experimental groups were not significantly different from those of control dogs. It is concluded that in the dog, the uterus is not involved in the lifespan of the cyclic corpus luteum.     

Disturbance in the growth of the radius in dogs

In a 4-year period nine dogs have been met in which there was incomplete growth of the radius. The condition was unilateral in eight dogs and bilateral in one. Two were littermates. The defect is due to premature cessation of growth of the distal growth plate of the radius but the cause of this is not precisely known. It is recognized by characteristic radiographic changes in radius length, elbow joint space and premature closure of the distal growth plate of the radius. A method of surgical treatment has been devised and has proved beneficial in five dogs. Zusammenfassung. In einer Vierjahresperiode wurden neun Hunde beobachtet, bei denen ein unvollständiges Wachstum des Radius vorlag. Bei acht Hunden war der Zustand nur auf einer Seite zu finden, bei einem Hund auf beiden Seiten. Zwei der Hunde gehörten zum gleichen Wurf. Der Mangel ist auf verfrühte Wachstumseinstellung der distalen Wachstumsplatte des Radius zurückzuführen, jedoch ist die Ursache davon nicht genau bekannt. Er wird an charakteristischen radiographischen Veränderungen der Radiuslänge, des Ellbogengelenkzwischenraums und vorzeitigem Abschluss der distalen Wachstumsplatte des Radius erkannt. Es wurde eine chirurgische Behandlungsmethode entwickelt, die sich bei fünf Hunden als nutzlich erwies. Résumé. Au cows d'une période de 4 ans on a observé 9 cas de croissance incomplète du radius chez des chiens; l'anomalie était unilatérale dans 8 cas et bilatérale dans un cas; deux chiens appartenaient à la même portée. L'anomalie est due à l'arrêt prématuré de croissance de la plaque de croissance distale du radius, mais la cause n'en est pas encore connue d'une manière précise. Le diagnostic se fait par les signes radiologiques caractéristiques, modifications de la longueur du radius, de l'articulation du coude et soudure prématurée de la plaque de croissance du radius. On a élaboré une méthode de traitement chirurgical, qui s'est montrée favorable chez 5 chiens.     

Modelling the transmission of Echinococcus granulosus in dogs in the northwest and in the southwest of Morocco

Echinococcus granulosus (E. granulosus) infection was studied in 151 dogs in two regions of Morocco: 68 dogs in the northwest (Loukkos) and 83 dogs in the southwest (Tiznit). The mean prevalence rates of echinococcosis in dogs were 58.82% (46.23-70.63%) in Loukkos and 55.42% (44.10-66.34%) in Tiznit and the mean abundances of E. granulosus per dog were 75 (59-93) and 547 (504-595), respectively. The mean abundance of E. granulosus in dogs was fitted to a negative binomial distribution by the maximum likelihood techniques to define parameters. E. granulosus was aggregated in dogs in the two regions. The prevalence of infection and the abundance of E. granulosus in dogs were fitted to mathematical models in order to determine if the parasite population is partly regulated by definitive host immunity. The best fit was obtained with the models assuming the presence of immunity. The mean time of exposure to infection was similar in the two regions and ranged from 8 months to about 2 years. The infection pressures (number of E. granulosus) obtained per dog each year were 65 (8-294) in Loukkos and 476 (316-886) in Tiznit. The proportion of dogs susceptible to infection was still high along the life of the dogs in Loukkos, while it was not different from zero in old dogs of Tiznit.