نتایج جستجو برای: elephant
تعداد نتایج: 5154 فیلتر نتایج به سال:
The objective of the present study was to assess the chemical and bromatological composition and in situ degradability of elephant grass silages inoculated with Streptococcus bovis isolated from cattle rumen. A complete randomized design was used with four treatments and six replications: elephant grass silage, elephant grass silage inoculated with 10(6) CFU/g Streptococcus bovis JB1 strains; e...
The hemoglobins of seven species of pinnipeds-elephant, ribbon, fur, harbor, and grey seals, walrus, and California sea lion-had two major and one minor hemoglobin fractions on electrophoresis at pH 8.6. One of the major fractions in all seven species had the same electrophoretic mobility. The second fractions of the gray, harbor, and ribbon seals were similar, but different from the second fra...
Patients with extensive aortic aneurysms involving the ascending aorta, aortic arch, and the descending aorta are still considered to be a challenge for many cardiovascular surgeons. The introduction of the elephant trunk technique by Borst et al. in 1983 has greatly facilitated surgery on this kind of pathology and this technique has been recognized as a standard modality for treatment of exte...
African elephants (Loxodonta africana) are imperiled by poaching and habitat loss. Despite global attention to the plight of elephants, their population sizes and trends are uncertain or unknown over much of Africa. To conserve this iconic species, conservationists need timely, accurate data on elephant populations. Here, we report the results of the Great Elephant Census (GEC), the first conti...
A B S T R ACT. During the East India Company’s rule of India, Britons observed the pervasiveness of elephants in local modes of warfare, hunting, trade, and religious symbolism. The colonizers appropriated this knowledge about elephants : for instance, in the taking-over of Mughal trade routes or Tipu Sultan’s stables. What Indians knew about the elephant also fed into a metropolitan culture of...
The Chinese folktale, Three Blind Men and an Elephant, is more than 2,000 years old. Three blind men approached an elephant and tried to describe it. The first man felt the elephant’s ear and decided that it was like a fan. The second man touched the elephant’s knee and decided that it was like a tree. The third man held the elephant’s trunk and concluded that it was like a snake. They could no...
We have sequenced and analyzed Hox gene clusters from elephant shark, a holocephalian cartilaginous fish. Elephant shark possesses 4 Hox clusters with 45 Hox genes that include orthologs for a higher number of ancient gnathostome Hox genes than the 4 clusters in tetrapods and the supernumerary clusters in teleost fishes. Phylogenetic analysis of elephant shark Hox genes from 7 paralogous groups...
Although the development of semen cryopreservation in the African elephants (Loxodonta africana) has been accomplished, effective procedures for cryopreservation of Asian elephant (Elephas maximus) spermatozoa have not been established. In the present study, we investigate the freezing methods for conservation of Asian elephant spermatozoa under field conditions and identify the most suitable f...
In this report we present a brief video illustrating the "Finger-Thumb Technique" that we have used extensively at our institution for elephant trunk retrieval during second stage elephant trunk procedures. Although only safe in experienced hands, this technique is a viable option in the arsenal of a cardiothoracic surgeon, especially in cases when proximally surrounding a massively enlarged ao...
In African large herbivore assemblages, megaherbivores dominate the biomass and utilise the greatest share of available resources. Consequently, they are considered a separate trophic guild that structures the food niches of coexisting large herbivores. However, there exists little empirical evidence on how food resources are shared within this guild, and none for direct competition for food be...
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