Mitochondrial DNA analysis of Nepalese domestic dwarf cattle Lulu*     

Kumiko TAKEDA  Masahiro SATOH  Shreeram P. NEOPANE  Bahadur S. KUWAR  Hari D. JOSHI  Nanda P. SHRESTHA  Hiroshi FUJISE  Mariko TASAI  Takahiro TAGAMI  Hirofumi HANADA 《Animal Science Journal》2004,75(2):103-110

Dwarf Lulu cattle, the only Bos Taurus type of cattle in Nepal, are raised under severe environments in the mountainous zone of that country. In the present study, the body measurement traits, cytogenetic and molecular genetic characteristics of the Lulu cattle are investigated. Blood samples were collected from 31 animals in four villages (altitudes 2590–3550 m) in the southern part of Mustang. The Lulu cattle had a normal karyotype with 2n = 60, XY or XX. Only one male examined had a large submetacentric X‐chromosome and a small submetacentric taurine type Y‐chromosome. The mitochodrial DNA (mtDNA) genotypes were analyzed by PCR mediated restriction fragment length polymorphisms, displacement (D)‐loop region PCR mediated single strand conformation polymorphisms, and D‐loop region sequences. Many base substitutions were found in the D‐loop region, suggesting that the Lulu cattle originated from at least 10 maternal lines. Three types of mtDNA from these cattle were found, the Bos taurus type (n = 23), the Bos indicus type (n = 6), and the Bos grunniens type (n = 2). In the village at the lowest altitude, four of the five cows were of the Bos indicus type. These results indicated that mtDNA types of the Lulu cattle mostly belong to Bos taurus, but have been hybridized with Bos indicus cattle in lower‐elevation regions in their maternal lineage.  相似文献   

Erratum to: RAPD variation in wild,weedy and cultivated azuki beans in Asia     

Makiko Mimura  Kentaro Yasuda  Hirofumi Yamaguchi 《Genetic Resources and Crop Evolution》2014,61(5):1033-1034

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Effects of apple pomace‐mixed silage on growth performance and meat quality in finishing pigs          下载免费PDF全文

Jiachen Fang  Yang Cao  Masatoshi Matsuzaki  Hiroyuki Suzuki  Hirofumi Kimura 《Animal Science Journal》2016,87(12):1516-1521

We measured the growth performance and meat quality of 10 crossbred (Yorkshire × Duroc × Landrace) neutered male pigs to evaluate the effects of apple pomace‐mixed silage (APMS). The pigs were divided into two groups and were respectively fed the control feed and the AMPS ad libitum during the experiment. No difference was found in the finished body weight, average daily gain, carcass weight, back fat thickness or dressing ratio between the control and the AMPS treatments, but average dairy feed intake (dry matter) was significantly lower and feed efficiency was significantly higher using the APMS treatment (P < 0.05). With regard to meat quality, the APMS increased the moisture content but decreased the water holding capacity (P < 0.05) compared with the control treatment. Furthermore, the APMS affected the fatty acid composition of the back fat by increasing linoleic acid (C18:2n6), linolenic acid (C18:3) and arachidic acid (C20:0) levels, while decreasing palmitic acid (C16:0), palmitoleic acid (C16:1) and heptadecenoic acid (C17:1) levels, compared with the control treatment. These results indicate that feeding fermented apple pomace to finishing pigs increases the feed efficiency and affects the meat quality and fatty acid composition of back fat.  相似文献   

Reference intervals for plasma,urinary, and salivary concentrations of free metanephrines in dogs: Relevance to the diagnosis of pheochromocytoma     

Marit F. van den Berg  Hans S. Kooistra  Guy C. M. Grinwis  Sebastiaan A. van Nimwegen  Martijn van Faassen  Ido P. Kema  Erik Teske  Sara Galac 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2023,37(1):173-183

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Case study on an integrated operation planning of multiple reservoirs for irrigation in Japan     

Hirofumi Kakudo  Yutaro Senga 《Irrigation and Drainage Systems》1991,5(2):115-128

In spite of several attempts at integrated operation planning, multiple reservoirs in Japan have been operated by trial and error without any formal rules. Subjects of integrated operation are not only showing optimal usage of daily storage levels as an operational policy but also providing a countermeasure for droughts.Objectives of this study are to make a formal operation rule of multiple reservoirs for irrigation using the theory of Required Storage for Drought Curve (RSDC) Method and to propose operational policy for multiple reservoirs as large water supply systems. The Iwaki river basin, on which there are four reservoirs for irrigation parallel with each other, is considered to be a model river basin with a large water system for this case study.From results of simulations using historical data, comparing an individual operation rule with an integrated operation rule on several indices, effectiveness of the latter rule is recognized. Under integrated operation, water losses are minimized and excessive water conservation can be avoided over the whole area to benefit while target river discharge is maintained at key control points because water usage from all reservoirs is well balanced in relation to water availability.  相似文献   

A note on the economic significance of uniform water application   总被引：4，自引：0，他引：4  

Ido Seginer 《Irrigation Science》1978,1(1):19-25

Summary It is shown how a yield vs water application diagram, with uniformity of water-distribution and price of water as parameters, can be used to determine the optimum water application and the expected income for a certain crop. The diagram can further be used to explore the possible outcome of changing water uniformity and/or price. The diagram is based on simplified forms of the yield and water-distribution functions.  相似文献   

Nutritive and antioxidative potential of fresh and stored pomegranate industrial byproduct as a novel beef cattle feed     

Shabtay A  Eitam H  Tadmor Y  Orlov A  Meir A  Weinberg P  Weinberg ZG  Chen Y  Brosh A  Izhaki I  Kerem Z 《Journal of agricultural and food chemistry》2008,56(21):10063-10070

Pomegranate peel is a nutritive-rich byproduct whose amounts are extensively growing due to the exponential increase in the production of pomegranate juice and "ready to eat" arils. Pomegranate peel is a rich source for antioxidants and thus may serve in the prevention of cattle diseases and in the improvement of beef products, making it an attractive component in beef cattle diets. The present study aims to evaluate the effect of commonly used storage practices on the nutritive and antioxidative properties of pomegranate peel. In general, storage conditions preserved most antioxidant capacity. Ensiling ambivalently affected the nutritive values of the peel and promoted increased levels of antioxidative components. In addition to polyphenols, nonphenolic components, such as alpha- and gamma-tocopherols, contributed to the total antioxidative capacity, and several minerals found in the peel added to its nutritional value. Dietary supplementation with fresh peels promoted significant increases in feed intake and alpha-tocopherol concentration in the plasma, with positive tendency toward increased weight gain of bull calves. All in all, the nutritive value and the antioxidant capacity of pomegranate peel turn it into a favorable health-promoting constituent of feedlot beef cattle diet.  相似文献   

Slow release of pheromones to the atmosphere from gelatin-alginate beads     

Yosha I  Shani A  Magdassi S 《Journal of agricultural and food chemistry》2008,56(17):8045-8049

Alginate-gelatin beads with dispersed droplets of a model pheromone, dodecyl acetate, were prepared as a vehicle for slow release of pheromones into the atmosphere over a prolonged period of time. The beads are prepared in two steps, the first being preparation of an oil-in-water emulsion composed of dodecyl acetate as the oil phase and gelatin as the emulsifier, which provides steric stabilization. After mixing with alginate solution, this emulsion is embedded within beads by simple electrostatic cross-linking. It was found that bead porosity at micrometric and nanometric scales plays an important role in controlling the release of dodecyl acetate.  相似文献   

Dietary apigenin suppresses IgE and inflammatory cytokines production in C57BL/6N mice     

Yano S  Umeda D  Maeda N  Fujimura Y  Yamada K  Tachibana H 《Journal of agricultural and food chemistry》2006,54(14):5203-5207

Flavonoids ubiquitously exist in plants, vegetables, fruits, and teas. We evaluated the effect of dietary apigenin, one of the well-known flavonoids, on the immune system in C57BL/6N mice. Mice were fed experimental diets containing apigenin for 2 weeks. After the experimental period, there was no significant difference in body and organ weights between the control and the apigenin group. The total immunoglobulin (Ig) E levels in mice fed apigenin were significantly suppressed, whereas levels of IgG, IgM, and IgA were not affected. We also examined the effect of the apigenin diet on cytokine expression in mice sera using a cytokine array. The production of regulated upon activation normal T cell expressed and secreted (RANTES) and soluble tumor necrosis factor receptor I (sTNFRI) in mice sera was down-regulated by the apigenin diet. These results suggest that a diet containing apigenin can reduce serum IgE and inflammatory cytokines such as RANTES and sTNFRI in mice.  相似文献   

Supplemental effect of cholyltaurine and soybean lecithin to a soybean meal-based fish meal-free diet on hepatic and intestinal morphology of rainbow trout <Emphasis Type="Italic">Oncorhynchus mykiss</Emphasis>     

Yasuro Iwashita  Nobuhiro Suzuki  Takeshi Yamamoto  Jun-ichirou Shibata  Keiichirou Isokawa  Ang H Soon  Yuto Ikehata  Hirofumi Furuita  Tsuyoshi Sugita  Takanobu Goto 《Fisheries Science》2008,74(5):1083-1095

The supplemental effects of cholyltaurine and soybean lecithin to a defatted soybean meal (SBM)-based fish meal-free diet on the hepatic and intestinal morphology of rainbow trout Oncorhynchus mykiss were investigated. A fish meal-based diet (FM), three fish meal-free diets supplemented either with soybean lecithin (SL), bovine gall powder (BG) or cholyltaurine (C-tau) and an unsupplemented fish meal-free diet (NFM), were given to fish (−11 g) for 10 weeks. The growth was the lowest in fish fed diet NFM, intermediate in fish fed diet SL and the highest in fish fed diet FM, BG and C-tau. Hepatocytes of fish fed diet NFM were atrophied, and the distal intestine of these fish showed abnormal features: disintegrated microvilli and fatty degeneration in epithelial cells and increased amount of connective tissue in the submucosa. Hepatic and intestinal histological features in fish fed diets SL, BG and C-tau were similar to those in fish fed diet FM. These results indicate that soybean lecithin, bovine bile salts and cholyltaurine have similar effects on normalizing the hepatic and intestinal morphologies of rainbow trout fed the SBM-based diet, although growth promotion effect was limited in the soybean lecithin.  相似文献