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A study on frequency of using bridges of sika deer and the distribution in the Kiritappu Peninsula, Hokkaido, Japan
Get PDFBulletinLocal residents have recently reported the occurrence of sika deer (Cervus nippon yesoensis) in Hamanaka town in the Kiritappu Peninsula. It is believed that the sika deer are crossing over two bridges that connect the peninsula and adjacent Kiritappu Wetland, which is a known large habitat for sika deer, but no scientific data have been collected thus far. Therefore, we conducted a spotlight census and camera trapping to clarify the temporal and spatial distribution of deer living on the Kiritappu Peninsula as well as the frequency of bridge use by deer. The results of the spotlight census revealed a maximum occurrence of 30.4 deer/10 km in August 2023 and a minimum occurrence of 0.0 deer/10 km in June 2022. 90% of deer found were on pastures and were observed foraging on grass. Camera traps installed at bridges recorded a maximum of 320 deer photos/100 days in December 2022. Deer used bridges more frequently at night than during the day. It seems that deer in the study site selectively use these bridges when there is less traffic to avoid vehicles and other human activities. There were no significant differences in the number of deer “going in” and “coming out” of Hamanaka town, but the total number of deer “going in” was higher than that of deer “coming out”. The study site is a small peninsula, considered a semi-enclosed environment. Furthermore, there is little reason to reduce the number of deer in the area. For these reasons, greater population control effort is needed inside the peninsula.departmental bulletin pape
An epidemiological overview on infectious diseases and its countermeasures during carcass feeding of culled free-ranging mammals in zoo with special references to parasitic diseases in Hokkaido, Japan
Get PDFBulletin有害捕獲獣を北海道の動物園で屠体給餌する際に留意すべき感染症とその対策について，特に寄生虫病を想定した事例をモデルとして論考した。An epidemiological overview on infectious diseases and its countermeasures during carcass feeding of culled free-ranging mammals in zoo with special references to parasitic diseases in Hokkaido, Japan, was given.departmental bulletin pape
A rodent microbiological/parasitological and non-rodent zoological investigation on after Tsunami in the area where the Great East Japan Earthquake struck in both Miyagi and Fukushima Prefectures performed by Wild Animal Medical Center, Rakuno Gakuen University, Japan
Get PDFBulletin2011年から2023年に酪農学園大学野生動物医学センターWAMC を拠点にした宮城・福島両県における東日本大震災被災地の寄生虫学的および野生動物学的な調査概要を提示し，当該分野における本学の貢献モデルの一例とした。A parasitological and zoological investigation on free-ranging mammals after Tsunami in the area where the Great East Japan Earthquake struck in both Miyagi and Fukushima Prefectures was performed between 2011 and 2023 by Wild Animal Medical Center, Rakuno Gakuen University, Japan.departmental bulletin pape
Jesus and His Brothers : Discord between Jesus and His Brothers in John 7:1-9
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Should women consultant remain “part-time consultant”?
Get PDFBulletinWomen consultants are officially responsible for providing counseling and support to women. A total of 1,594 women consultants were employed throughout Japan as of 2021, of which 260 (16.3%) were employed full-time and 1,334 (83.7%) were employed part-time. In this study, a total of 638 women consultants, 105 in regular employment and 533 in non-regular employment, were surveyed regarding their preferred employment status. Of those currently in regular employment, 76.2% responded that “regular employment is desirable,” and of those currently in non-regular employment, 62.9% responded that “regular employment is desirable,” whereas 18.4% responded that “non-regular employment is desirable.” A qualitative analysis of these responses revealed that the major tabletop reasons regular employment is desirable are “work with responsibility” and “security of status.” One of the reasons that could only be obtained from those who are currently in non-regular employment was extracted as the middle sign, which is “Opinions cannot be heard if you are non-regular.” Common reasons extracted were: “economic problems,” “renewal system for non-regular employees,” “difficulty in cooperation and coordination with other departments,” and “emergency response and overtime work.” The reasons provided for preferring nonregular employment include the following: “regular employees must be transferred to a different department” and “need to have a relaxed mentality.” To compensate for their negative aspects, it was considered necessary to increase the number of regular employees who could acquire experience as professional civil servants without having to be transferred.departmental bulletin pape
Relationship of death and culling of neonatal calves to failure of passive transfer on dairy farms : an empirical field study in eastern Hokkaido, Japan
Get PDF酪農学園大学博士（獣医学）Thesisdoctoral thesi
Study of relationships between blood concentration in raw milk with blood sediment on centrifugation and head performance measures in individual cows
Get PDFjournal article酪農現場では乳房内出血が原因と推定されるピンク色を呈する生乳（以下、血乳と呼称する）が搾乳されることがある。血液混入の検査は目視（色沢）の他、乳業会社によってはバルク乳の遠心分離により血液沈殿（以下、血沈と呼称する）の有無を判定する精密検査を実施している。しかし、いずれの方法も血液混入の有無しか判断できず定量できないことから、筆者らは「とかち財団」が開発中の簡易型血液混入検査装置を用いて、現場で生じた血乳中の血液濃度を定量し、症状の推移や体細胞数などの牛群成績との関係を検討してきた。本研究では、個体乳を対象に遠心分離による血沈発生の有無と、血液混入量や牛群成績との関係について報告する。1酪農場（経産牛70～80頭）において、2年間に目視で確認された血乳は2個体であり、目視で確認できる限界濃度（0.01％）を上回る明らかな血乳が確認された。一方、同酪農場にて牛群検定の際に採取した個体乳（2020年9月の70個体乳と2021年9月の64個体乳）において、遠心分離により血沈が生じたのはそれぞれ6および5個体乳であり、血沈の発生割合は8.2％、血液濃度は 0.0004～0.0060％の範囲であった。血沈検出と非検出個体における血液濃度の平均はそれぞれ0.0022±0.0015, 0.0011±0.0008％となり、5％水準で有意な差が認められた。しかしながら、血沈が生じた個体乳11検体のうち2検体の血液濃度は非検出個体乳の平均値（0.0011％）よりも低く、さらに、血沈非検出個体乳123検体のうち7検体は、検出個体乳の平均値（0.0022％）を上回り、溶血などの原因により血沈が生じていない可能性が示唆された。したがって、遠心分離による血乳検査は目視よりも検出精度が高いものの、不確実な方法であることが示唆される。このことから、本研究で用いた簡易型血液混入検査装置で血液濃度を定量できる意義は極めて高いと考えられた。Some cows on dairy farms may produce raw milk with a pinkish tinge (hereinafter referred to as hemolactia), presumably due to bleeding within the udder. Blood contamination is detected by visual inspection, and in some dairy companies, bulk milk is centrifuged to check for blood sedimentation. However, neither method can quantitatively assess the degree of blood contamination. We have been using a simple measurement device, which is being developed by the Tokachi Foundation, to ascertain the relationship between hemolactia found at dairy farms and the herd performance measures (e.g., changes in symptoms and somatic cell counts). In this study, individual milk samples from all healthy cows on one dairy farm were centrifuged to examine how blood sediment and blood concentration affect herd performance measures such as somatic cell count. On a dairy farm with 70-80 multiparous cows, only 2 cases of hemolactia were detected by visual inspection (detection limit 0.01%) over a period of 2 years. However, when samples collected from individual cows on the same farm for head performance measures were subjected to centrifugation, blood sedimentation was found in 6 of the 70 samples collected in September 2020 and in 5 of the 64 samples collected in September 2021. The occurrence rate of blood sedimentation was 8.2% and the blood concentration ranged from 0.0004% to 0.0060%. The mean blood concentration was 0.0022 ± 0.0015% in samples with blood sedimentation, and 0.0011 ± 0.0008% in those without blood sedimentation, and the difference was significant (p < 0.05). However, the blood concentration in 2 of the 11 samples with blood sedimentation was lower than the mean concentration (0.0011%) of samples without blood sedimentation. Furthermore, the blood concentration in 7 of the 123 samples without blood sedimentation was higher than the mean concentration (0.0022%) of samples with blood sedimentation, indicating that blood did not sediment, possibly due to hemolysis or other reasons in some samples. These results suggest that testing for hemolactia by centrifugation, although more accurate than visual inspection, is still an unreliable method. Therefore, we consider it highly significant that we were able to quantify blood concentrations with the simplified blood-contamination tester used in this study.journal articl
Chapter 2 : Flow cytometric detection of CD11b+ Gr-1+ cells in nontumor-bearing mice : A propolis-elicited model
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The forgotten middle Silk Road : Historical caravan route geographies between Mongolia and Tibet
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