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Beitrage zur tropischen Landwirtschaft und Veterinarmedizin最新文献

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Prevalence of complement-fixing antibody to the African horse sickness virus in domestic animals in Nigeria. 尼日利亚家畜中非洲马病病毒补体固定抗体的流行情况。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1992-01-01
S S Baba, H A Akinyele, O D Olaleye
{"title":"Prevalence of complement-fixing antibody to the African horse sickness virus in domestic animals in Nigeria.","authors":"S S Baba,&nbsp;H A Akinyele,&nbsp;O D Olaleye","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The occurrence of antibodies against the African horse sickness virus was investigated in 246 domestic animals (horses, donkeys, camels, dogs) in various regions of Nigeria by means of the complement-fixing rate. 34% of the sera tested were positive: 75% in donkeys, 68% in horses, 19% in camels, and 9% in dogs. Among the horses, those of 6 to 15 years of age had higher than average prevalence rates than the other age groups. Stallions from the northern regions had higher prevalence rates than mares generally and stallions from other regions. These findings are important for the epidemiology of the African horse sickness in Nigeria just as the complement-fixing rates are in camels and dogs for the epidemiology of this sickness in the whole of Africa.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"30 4","pages":"471-7"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12514047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Further studies on the effects of diets containing dried coffee pulp: growth performance, blood and carcass characteristics of pigs. 饲粮中添加干咖啡浆对猪生长性能、血液和胴体特性影响的进一步研究。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1991-01-01
D B Okai, P Dabo
{"title":"Further studies on the effects of diets containing dried coffee pulp: growth performance, blood and carcass characteristics of pigs.","authors":"D B Okai,&nbsp;P Dabo","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>4 groups of 5 pigs each were fed rations containing 0, 10, 20, or 30% of dried coffee pulp over a period of 10 weeks. The inclusion of these rations had no significant influence on the feed intake, growth rate and feed conversion efficiency. There were no significant differences in the blood parameters either (glucose, protein, P, Ca, cholesterol) or in the slaughter weight. Pigs fed the coffee pulp had less backfat and higher liver weights.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"29 2","pages":"235-41"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12954728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Nitrogen composition of the fruit juice of the Persian lime in Cuba]. [古巴波斯酸橙果汁的氮组成]。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1991-01-01
M Nuñez, S Stenz
{"title":"[Nitrogen composition of the fruit juice of the Persian lime in Cuba].","authors":"M Nuñez,&nbsp;S Stenz","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In 1987 to 1989 the composition was studied of the nitrogen compounds (nitrogen and free amino acids) in the fruit juice of Persian lime during its commercial harvesting period. Adult Persian lime trees grafted on Citrus macrophylla and C. volkameriana were used, planted on a groundwater-affected red ferrilytic soil in the La Habana Province. Determination of the total nitrogen and of the free proline was carried out in May to July of each experimental year. The amino acid spectrum was established from juice samples in May 1987 and in July 1988. With the nitrogen concentrations varying between 14 and 90 mg/100 ml of juice, no consistent behaviour or pattern could be detected either in the total nitrogen content or the proline content in the juice during the 3 experimental years. 14 free amino acids were found, with about 90% of the total content formed from asparagine acid, glutamic acid, alanine, proline, gamma-aminobutyric acid, and arginine, regardless of the experimental year or the grafting basis.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"29 4","pages":"445-52"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12986576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The biotin requirement of broilers feed maize-palm kernel meal based ration. 玉米-棕榈仁粕基日粮肉鸡生物素需要量的研究。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1991-01-01
R A Oloyo, B K Ogunmodede
{"title":"The biotin requirement of broilers feed maize-palm kernel meal based ration.","authors":"R A Oloyo,&nbsp;B K Ogunmodede","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>6 duplicate floor pens with 20-day-old commercial broiler chicks each, were fed practical-type broiler diet with maize-palm kernel meal, supplemented with graded levels of biotin so that the rations had 40, 80, 120, 160, 200, and 240 micrograms of the vitamin per kg of feed. This treatment was maintained for 6 weeks. Estimation of the body weight, feed intake, blood glucose concentration, and lipid contents of liver, kidney and blood showed that dietary biotin of 120 micrograms/kg feed is a minimum requirement. 160 micrograms/kg feed was required for the prevention of dermatitis, mortality due to fatty liver and kidney syndrome (FLKS) and leg deformities.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"29 2","pages":"223-33"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12830658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Bioclimatic assessment of a tropical site--a criterion for decisions concerning breeding and technology for successful animal production in the tropics]. [热带地区的生物气候评估——关于热带地区成功动物生产的育种和技术决策的标准]。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1991-01-01
J Poetschke, I Müller
{"title":"[Bioclimatic assessment of a tropical site--a criterion for decisions concerning breeding and technology for successful animal production in the tropics].","authors":"J Poetschke,&nbsp;I Müller","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The values of the body temperature and breathing frequency were taken from young pigs and sows at a tropical location in order to study the relations between measured climatic values and their complex derivations (the amount of cooling down, enthalpy, sultriness factor, and water vapour pressure). The relevance was weighted of the natural and calculated climatic values for the thermoregulation of the animals. A practical example is given of the discrepancies between a genuine tropical climate and the demands made by pigs and hens on their climatic environment. From this, conclusions are drawn for successfully keeping and breeding these species at tropical locations.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"29 4","pages":"475-85"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12986577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dietary cyanide effect on performance and serum testosterone of growing male pigs. 饲粮氰化物对生长雄性猪生产性能和血清睾酮的影响。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1991-01-01
E A Iyayi
{"title":"Dietary cyanide effect on performance and serum testosterone of growing male pigs.","authors":"E A Iyayi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>48 growing male pigs were fed cyanide in different doses (0, 250, and 500 mg/kg) and its effect was determined on their growth performance and serum testosterone content. The rations were balanced as regards the energy and protein content. Increased cyanide additions had a significant influence on the weight gain, feed intake, as well as the feed and protein efficiency of the animals. Examination of the pancreas showed histological changes following high cyanide additions. Dietary cyanide levels of 500 mg/kg did significantly affect the serum testosterone level. A non-significant correlation (r = -0.22) existed between the daily cyanide intake and serum testosterone.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"29 3","pages":"347-52"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12974757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of AVOTAN (avoparcin) containing salt licks on the daily weight gain of bulls. 含盐舔剂AVOTAN对公牛日增重的影响。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1991-01-01
G Flachowsky, G Richter, F Hickisch
{"title":"Influence of AVOTAN (avoparcin) containing salt licks on the daily weight gain of bulls.","authors":"G Flachowsky,&nbsp;G Richter,&nbsp;F Hickisch","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>3 group feeding experiments were carried out with the glycopeptide antibiotic avoparcin. Avoparcin was added to salt licks (2.5 g per kg lick stone) and offered to 30 (experiment I), 80 (experiment II), or 20 (experiment III) growing cattle ad libitum over 210, 122, or 281 days. Control animals consumed unsupplemented lick stones. The avoparcin intake amounted to 60 (experiment I), 145 (experiment II), and 100 mg (experiment III) per cattle per day. The daily weight gain increased from 750 to 808 (experiment I), 553 to 649 (experiment II), and from 812 to 822 g per animal per day (experiment III) when avoparcin was added. Avoparcin is a safe feed additive and should be supplemented to various lick stones to improve ruminant performances under tropical rangeland conditions. 15 to 30 mg avoparcin per kg dry matter intake are recommended.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"29 3","pages":"363-7"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12974758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prevalence of blood protozoan parasites of avian species in Nsukka area of Anambra State, Nigeria. 尼日利亚阿南布拉州恩苏卡地区鸟类血液原生动物寄生虫流行情况
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1991-01-01
L J Orajaka, L C Nweze
{"title":"Prevalence of blood protozoan parasites of avian species in Nsukka area of Anambra State, Nigeria.","authors":"L J Orajaka,&nbsp;L C Nweze","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A total of 165 avian species (110 chickens, 15 turkeys, 12 ducks, 10 each of geese and guinea fowls, and 8 pigeons) were examined for blood protozoan parasites. Blood samples were collected from the wing veins and smears with Giemsa stain. Plasmodium spp. were found in 2 chickens (1.6%) and 7 turkeys (46.6%). 5 turkeys were clinical cases. 3 (37.5%) of the pigeons were positive for Haemoproteus spp. No blood parasites were found in geese, ducks, and guinea fowls. The results show that avian malaria can constitute a health problem in poultry, especially turkeys, in Nigeria. The avian species may act as a reservoir host for human malaria parasites.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"29 1","pages":"91-5"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13090178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Helminth parasitism of domestic fowl (Gallus domesticus L.) in a subtropical high-rainfall area of India. 印度亚热带多雨地区家禽(Gallus domesticus L.)的寄生虫寄生。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1991-01-01
A K Yadav, V Tandon
{"title":"Helminth parasitism of domestic fowl (Gallus domesticus L.) in a subtropical high-rainfall area of India.","authors":"A K Yadav,&nbsp;V Tandon","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>An investigation into the helminth parasitic infections of domestic fowl in a subtropical area of India, based on an autopsy of 532 chickens, revealed a 90.9% prevalence of infection. 10 species of helminths were encountered, of which Capillaria contorta was recorded for the first time from fowls in India. Ascaridia galli was the most prevalent species, followed by Raillietina spp. and Heterakis gallinae. The infection by trematodes appeared to be very rare. The helminth fauna of fowls in this climatic area was compared with that of fowls in other areas of the world and found to differ in respect of prevalence and incidence of various parasitic species. The role of the climate in the distribution and in regulating populations of parasitic species is discussed.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"29 1","pages":"97-104"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13090179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of the pre-incubation storage period of hatching eggs on the hatchability and post-hatching growth of local chickens under tropical conditions. 热带条件下孵化蛋的孵化前贮存期对地方鸡孵化率和孵化后生长的影响。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1990-01-01
F H Abdou, A M Katule, O S Sukuzi
{"title":"Effect of the pre-incubation storage period of hatching eggs on the hatchability and post-hatching growth of local chickens under tropical conditions.","authors":"F H Abdou,&nbsp;A M Katule,&nbsp;O S Sukuzi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In order to study the effect of the storage period, 2400 hatching eggs from hens in the Tanzanian coastal region were stored for 0 to 15 days under room conditions of temperature and humidity. On the 16th day of a collection period with daily additions, the incubation of 50 eggs each was started. At hatching time, the number of healthy chicks hatched from each storage period treatment was counted. Also studied was the growth of the hatched chicks for the first three weeks of their life. A highly significant negative correlation (-0.98) was observed between the pre-incubation storage period and the hatchability of eggs. The regression coefficient was found to be -5.3. This means that hatchability declined by an average of 5.3% for each day the eggs had been stored. Prolonged storage of hatching eggs also affected the post-hatching growth performance of these chicks. The adverse effect disappeared, however, with increasing age of the chicks. It is recommended that hatching eggs should not be stored under ordinary room conditions in the tropics for more than 7 days prior to hatching.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"28 3","pages":"337-43"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13549484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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