发布求助
文献互助 智能选刊 最新文献

Beitrage zur tropischen Landwirtschaft und Veterinarmedizin最新文献

筛选
英文 中文
Changes in the blood and foetal fluid composition at different stages of gestation in ewes. 母羊妊娠不同阶段血液和胎液成分的变化。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1985-01-01
O Chiboka, K D Thomas
{"title":"Changes in the blood and foetal fluid composition at different stages of gestation in ewes.","authors":"O Chiboka,&nbsp;K D Thomas","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In 15 West African Dwarf ewes blood and foetal fluid were collected and investigated on the 50th, 100th, and 150th day of gestation in order to determine normal values. The foetal fluid increased in volume and weight from day 50 to day 150. It was clear, colourless, and slightly viscous by day 50, but creamy, more viscous, and mucoid by days 100 and 150. The number of cellular blood components was dependent on the gestational age. The same was found for electrolytes, cholesterol, total proteins, albumins, and globulin in the blood and amniotic fluids.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"23 1","pages":"65-71"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15129131","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
Characterization of cattle in Nigeria--body measurements. 尼日利亚牛的特征——身体测量。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1985-01-01
C C Nwosu, F N Akhionbare, I E Iboh
{"title":"Characterization of cattle in Nigeria--body measurements.","authors":"C C Nwosu,&nbsp;F N Akhionbare,&nbsp;I E Iboh","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The beef cow breeds Boran, Muturu, and N'Dama, which are widely distributed in southern Nigeria, are described in their phenotypes and their performance characteristics. Body measurements exhibited highly significant differences between the breeds as to body weight, wither height, and body length. The constants are presented for estimating the body weight of these breeds from their heart girth and body length under Nsukka conditions. They can be used for measurements in inches (yielding the body weight in lbs) or in cm (body weight in kg).</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"23 1","pages":"89-97"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15129135","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
Effects of cobalt deficiency on the ovarian function in the East African short-horned goat. 钴缺乏对东非短角山羊卵巢功能的影响。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1985-01-01
F O Mgongo, S Gombe, J S Ogaa
{"title":"Effects of cobalt deficiency on the ovarian function in the East African short-horned goat.","authors":"F O Mgongo,&nbsp;S Gombe,&nbsp;J S Ogaa","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>24 normocyclic East African short-horned goats were made vitamin B12-deficient through feeding cobalt-deficient Rhodes grass (Chloris gayana) hay. The deficiency was confirmed by controls of the blood level, by the occurrence of anaemia, by increased cortisol levels, and by hypertrophy of the fasciculata and reticulata zones in the adrenal cortex. The oestrogen level increased initially, and then decreased markedly from the 3rd cycle on, and reached levels below those of the control. Ovulations finally ceased. It is suggested that ovarian dysfunctions during vitamin B12 deficiency are caused by changes in the endocrine profile.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"23 2","pages":"207-16"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15154185","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 influence of season, parity, and duration of lactation on some performance traits of sows indigenous to Nigeria. 季节、胎次和泌乳期对尼日利亚本地母猪某些生产性能的影响。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1985-01-01
B Somade
{"title":"The influence of season, parity, and duration of lactation on some performance traits of sows indigenous to Nigeria.","authors":"B Somade","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>120 young sows of less than one year of age and 240 old sows indigenous to Nigeria were randomly subjected to a 2 X 2 X 2 factorial analysis of variance. The results showed that the factors season, parity, and lactation period had no influence on the gestation period and some weaning features, like the number of stillborn piglets per litter and pre-weaning deaths. More piglets were farrowed live by old sows than by the young sows. The litter birth weight, the number of piglets weaned per litter and the number of days to estrous following weaning depended on the season and the lactation length.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"23 1","pages":"81-7"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15129134","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
Chromosomal translocation 1/29 in Santa Gertrudis sires. 染色体易位1/29在Santa Gertrudis家族。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1985-01-01
A Betancourt, C Gutierrez, A Sanchez
{"title":"Chromosomal translocation 1/29 in Santa Gertrudis sires.","authors":"A Betancourt,&nbsp;C Gutierrez,&nbsp;A Sanchez","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Chromosomal analysis of 38 Holstein, 10 Santa Gertrudis, and 5 Zebu sires revealed for the first time the occurrence of the Robertson translocation in this breed. The importance is stressed of cytogenetic studies for sires.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"23 1","pages":"73-5"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15129132","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 persistence of phorate and carbofuran in soil and rice plants. 土壤和水稻植株中磷酸盐和呋喃的持久性。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1985-01-01
G Singh, R S Jaglan, T S Kathpal, K S Kushwaha, S P Gupta
{"title":"The persistence of phorate and carbofuran in soil and rice plants.","authors":"G Singh,&nbsp;R S Jaglan,&nbsp;T S Kathpal,&nbsp;K S Kushwaha,&nbsp;S P Gupta","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The insecticides phorate and carbofuran applied at a range of 1 kg a.i./ha in a field trial against the important rice pest Hydronomidius molitor Faust, the rice root weevil, had largely degraded after 4 and 3 months, respectively, in flooded soil. In rice plants a strong decrease in the content of these insecticides was found three weeks after application. At the time of harvest, the rice plants did not contain any insecticide.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"23 1","pages":"59-63"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15129130","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 influence of season on sow weaning to estrus interval and subsequent reproductive performance following estrus synchronization by batch weaning. 季节对分批断奶同步发情后母猪断奶至发情间隔及后续繁殖性能的影响。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1985-01-01
B Somade, A O Makinde
{"title":"The influence of season on sow weaning to estrus interval and subsequent reproductive performance following estrus synchronization by batch weaning.","authors":"B Somade,&nbsp;A O Makinde","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In 45 indigenous Nigerian sows, which had been synchronized in their estrous cycle by batch weaning, the interval was investigated from weaning to estrus in the rainy and dry seasons. It was found to be 3 1/2 days in each season. The heat was short, especially the standing estrus, which will have to be investigated further. There was no seasonal difference in the number of piglets weaned per sow. In the dry season, sows farrowing lost more weight from birth to weaning than in the rainy season. Sows farrowing into the rainy season delivered more piglets.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"23 3","pages":"339-43"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14959789","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
Studies on the energy reserve of Fasciola gigantica from Nigerian Zebu cattle. 尼日利亚泽布牛巨片吸虫能量储备的研究。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1985-01-01
J C Ezigbo, E C Onyeneke
{"title":"Studies on the energy reserve of Fasciola gigantica from Nigerian Zebu cattle.","authors":"J C Ezigbo,&nbsp;E C Onyeneke","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>As energy reserves in the body tissue of mature liver flukes var. Fasciola gigantica from the bile ducts of Nigerian Zebu cattle the following percentages were found: protein 60.29, lipid 11.92, carbohydrate 7.0. The analysis of the lipid fractions showed the following composition: 47% phospholipids (63% phosphatidyl choline, 28% phosphatidyl serine, 9% lysophosphatidyl choline) and 22% triglycerides, 16% fatty acids, 6% cholesterol, 5% monoacyl glycerol, and 4% cholesterol ester.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"23 2","pages":"217-22"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15150967","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
[Tolerance levels of growing swine for nonoptimal temperatures and their effect on swine production in the tropics (literature study)]. [生长猪对非最佳温度的耐受水平及其对热带地区生猪产量的影响(文献研究)]。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1985-01-01
J Poetschke
{"title":"[Tolerance levels of growing swine for nonoptimal temperatures and their effect on swine production in the tropics (literature study)].","authors":"J Poetschke","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The components of the thermohygric complex (air temperature, humidity, and speed) affect directly and indirectly pig production in the tropics. The indirect climatic influence is determined by climatic specifics of pig management and nutrition, especially by the available foodstuff. International findings are presented on the problems of the direct influence on pig production performance by the thermal stress on piglets, young and fattening pigs in tropical locations. This is intended to meet the demand for effectivating pig production in the tropics through improving the microclimatic rearing conditions and abolishing or reducing the thermal stress for the pigs in tropical production locations.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"23 2","pages":"193-205"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15013439","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
[Adaptation of breeding swine to high environmental temperatures and delimitation of tolerance ranges of thermically stressed swine populations]. [种猪对高温环境的适应和热应激猪群耐受范围的界定]。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1985-01-01
J Poetschke
{"title":"[Adaptation of breeding swine to high environmental temperatures and delimitation of tolerance ranges of thermically stressed swine populations].","authors":"J Poetschke","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Proceeding from the morphological and physiological specifics of pigs as to their adaptation to high ambient temperatures, the paper presents recent international findings on problems of the thermal tolerance of breeding pigs active in reproduction. The effect of humidity and air speed near the animals are summarized in attempting to delimitate tolerance levels for thermal stress to pigs, and conclusions are drawn for the amelioration of the climate.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"23 3","pages":"325-38"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15185394","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信
小红书