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Beitrage zur tropischen Landwirtschaft und Veterinarmedizin最新文献

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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
Fertility data from daughters of a Santa Gertrudis bull with chromosomal translocation 1/29. 染色体易位的Santa Gertrudis公牛女儿的生育数据1/29。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1985-01-01
A Betancourt
{"title":"Fertility data from daughters of a Santa Gertrudis bull with chromosomal translocation 1/29.","authors":"A Betancourt","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Chromosomal analyses were carried out on 26 daughters of a Santa Gertrudis bull with Robertson translocation. All animals belonged to one herd and were of the same age. 11 of them showed translocation 1/29 associated with the lowest fertility performance. The low fertility of the Santa Gertrudis breed is assumed to be due to chromosome mutation.</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"23 1","pages":"77-80"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15129133","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
Observations on the effect of sex, litter size, and age on the body weights of rabbits. 性别、窝次、年龄对家兔体重影响的观察。
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin Pub Date : 1985-01-01
G D Swai, L A Mtenga, M Mgheni
{"title":"Observations on the effect of sex, litter size, and age on the body weights of rabbits.","authors":"G D Swai,&nbsp;L A Mtenga,&nbsp;M Mgheni","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Female rabbits of the New Zealand White and Chinchilla crosses were always found to be lighter than the male rabbits at 21 to 98 days of age. Animals from litters of less than six were heavier than those from greater litters (98-day liveweight 1461.2 g as compared to 1119.9 g).</p>","PeriodicalId":75586,"journal":{"name":"Beitrage zur tropischen Landwirtschaft und Veterinarmedizin","volume":"23 3","pages":"345-7"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15185395","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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