Papers

明治大学農学部農学科動物生産学研究室

Laboratory of Animal Production Science

2024年

Furukawa E, Ozawa T, Higaki S, Suda T, Sasaki Y, Murayama K, Noguchi M, Yoshioka K. 2024. Changes in skin temperature and behaviors of preweaned Holstein calves under hot environment monitored by a multimodal tail-attached device. JDS Communications Article in press.

2023年

Suzuki T, Noguchi M, Sasaki Y, Nagai M, Aoki H. 2023. Exploratory study of immunodynamic changes in sows following classical swine fever vaccination. The Japanese Journal of Animal Hygiene Article in press.
Hirokawa M, Sekiguchi S, Sasaki Y. 2023. Assessment of individual and weekly productivity of sows by parity, season, and sow herd structure in F₁ crossbred and Berkshire sows. Journal of Veterinary Epidemiology Article in press.
Sasaki Y, Iki Y, Anan T, Hayashi J, Uematsu M. 2023. Assessment of ventral tail base surface temperature for the early detection of Japanese Black calves with fever. Animals 13, 469.

2022年

Fukushima Y, Kino E, Furutani A, Minamino T, Honkawa K, Horii Y, Sasaki Y. 2022. Effect of major diseases on productivity of a large dairy farm in a temperate zone in Japan. Dairy 3, 789-798.
Higaki S, Matsui Y, Sasaki Y, Takahashi K, Honkawa K, Horii Y, Minamino T, Suda T, Yoshioka K. 2022. Prediction of 24-h and 6-h periods before calving using a mul-timodal tail-attached device equipped with a thermistor and 3-axis accelerometer through supervised machine learning. Animals 12, 2095.
Sasaki Y, Iki Y, Anan T, Hayashi J, Uematsu M. 2022. Economic loss due to treatment of bovine respiratory disease in Japanese Black calves arriving at a backgrounding operation in Miyazaki. Journal of Veterinary Medical Science 84, 1328-1334.
川島知之，志波円香，齊藤夕貴，日高良一，佐々木羊介，小林郁雄，高橋俊浩．2022．国内農場における多産系母豚の泌乳量と子豚の発育．日本養豚学会誌 59，167-173．
Misaka M, Uematsu M, Hashimoto K, Kitahara G, Osawa T, Sasaki Y. 2022. Impact of dystocia and cow/calf characteristics on mortality from 0–120 days of age in Japanese Black calves in commercial cow-calf operations. Preventive Veterinary Medicine 207, 105716.
Misaka M, Uematsu M, Kitahara G, Osawa T, Sasaki Y. 2022. Association of herd size with stillbirth and dystocia rates in Japanese Black cattle. Animals 12, 1994.
野口倫子，鈴木武人，香宗我部一実，佐々木羊介，長井誠，青木博史．2022．妊娠豚へのワクチン接種時期と初乳摂取制限が哺乳子豚の血清中豚熱中和抗体に及ぼす影響．日本獣医師会雑誌 75，e180-e185．
Sasaki Y, Hayashi Y, Murano S, Kohigashi T. 2022. Quantitative relationship between the number of cross-fostering piglets and subsequent productivity of sows on commercial swine farms. Animal Science Journal 93, e13752.
Tanimura K, Uematsu M, Kitahara G, Osawa T, Sasaki Y. 2022. Longitudinal effect of repeat breeding in Japanese Black beef cattle at a low parity on subsequent fertility in commercial cow–calf operations. Theriogenology 189, 177-182.
Toya R, Sasaki Y, Uemura R, Sueyoshi M. 2022. Optimizing antimicrobial use by improving medication adherence among pig producers. Animal Science Journal 93, e13713.
纐纈雄三，佐々木羊介，飯田涼介．2022．農場データ分析での母豚繁殖成績と生涯成績およびそのリスク因子・予測因子と農場レベルの因子．日本養豚学会誌 59，1-17．
Fukushima Y, Minamino T, Honkawa K, Taniguchi T, Horii Y, Sasaki Y. 2022. Theileria-free grazing of dairy heifers on grassland in Kyushu, Japan where T. orientalis was epidemic before a 7-year vacancy. Journal of Veterinary Medical Science 84, 628-633.
Ishida T, Ohara S, Sasaki Y, Shirai T, Terajima T, Sugimoto A, Kawashima T. 2022. Physical characteristics of Erianthus arundinaceus as a bedding material for broiler. Grassland Science 68, 44-52.

2021年

Yamagami T, Miyama T, Toyomaki H, Sekiguchi S, Sasaki Y, Sueyoshi M, Makita K. 2021. Analysis of the effect of feedback feeding on the farm-level occurrence of porcine epidemic diarrhea in Kagoshima and Miyazaki Prefectures, Japan. Journal of Veterinary Medical Science 83, 1772-1781.
佐々木羊介，松尾崚平，中武真吾，小東智哉，村野聖弥．2021．養豚生産農場におけるピッグフローを定量化するための判定ツールの開発．日本養豚学会誌 58，178-185．
Oshikawa-Hori S, Yokota-Ikeda N, Sonoda H, Sasaki Y, Ikeda M. 2021. Reduced urinary release of AQP1- and AQP2-bearing extracellular vesicles in patients with advanced chronic kidney disease. Physiological Reports 9, e15005.
北井成美，南野知也，三栗野陽子，堀井洋一郎，本川和幸，佐々木羊介．2021．九州に所在する大規模酪農場1農場における乳牛の分娩確率と気象条件および月相の関連性の分析．獣医疫学雑誌 25，44-50．
Fukushima Y, Minamino T, Mikurino Y, Honkawa K, Horii Y, Taniguchi T, Mekata H, Sasaki Y. 2021. Effects of Theileria orientalis infection on health status and productivity of dairy cows reared inside barns. Pathogens 10, 650.
石田哲也，小原聡，岩崎和也，濱石翔，田村宏樹，佐々木羊介，高橋俊浩，長峰孝文，川島知之．2021．エリアンサス敷料がブロイラーの生産成績と飼養環境に与える影響－コマーシャル鶏生産農場での実証試験－．日本家禽学会誌 58，65-73.
Toya R, Sasaki Y, Uemura R, Sueyoshi M. 2021. Indications and patterns of antimicrobial use in pig farms in the southern Kyushu, Japan: large amounts of tetracyclines used to treat respiratory disease in post-weaning and fattening pigs. Journal of Veterinary Medical Science 83, 322-328.
Fukushima Y, Horii Y, Honkawa K, Sasaki Y. 2021. A large-scale survey of Theileria orientalis infection in grazing dairy heifers in Kyushu, Japan. Journal of Veterinary Medical Science 83, 36-41.
西村祐紀子，香川雅彦，香川洋子，香川貴俊，佐々木羊介．2021．国内生産農場で飼養されている多産系母豚における里子処置が離乳時の子豚成績や離乳後の繁殖成績に及ぼす影響．日本養豚学会誌 58, 19-27.

2020年

Sasaki Y, Kawabata T, Nakatake S, Kohigashi T, Toya R, Uemura R, Sueyoshi, M. 2020. Assessment of reproductive and growth performance of pigs on commercial swine farms in southern Kyushu, Japan. Animal Science Journal 91, e13492.
Fukushima Y, Kino E, Furutani A, Minamino T, Mikurino Y, Horii Y, Honkawa K, Sasaki Y. 2020. Epidemiological study to investigate the incidence and prevalence of clinical mastitis, peracute mastitis, metabolic disorders and peripartum disorders, on a dairy farm in a temperate zone in Japan. BMC Veterinary Research 16, 389.
Sasaki Y, Hashimoto K, Iki Y, Anan T, Hayashi J, Uematsu M. 2020. Associations between calf factors of Japanese Black calves arriving at a backgrounding operation and bovine respiratory disease. Preventive Veterinary Medicine 182, 105100.
Mai NT, Bui PT, Huynh LTM, Sasaki Y, Mitoma S, Daous HE, Fahkrajang W, Norimine J, Sekiguchi S. 2020. Evaluating the risk factors for Porcine epidemic diarrhea virus infection in an endemic area of Vietnam. Frontiers in Veterinary Science 7, 433.
Noguchi M, Suzuki T, Sato R, Sasaki Y, Kaneko K. 2020. Artificial lactation by exogenous hormone treatment in non-pregnant sows. Journal of Reproduction and Development 66, 453-458.
Higaki S, Koyama K, Sasaki Y, Abe K, Honkawa K, Horii Y, Minamino T, Mikurino Y, Okada H, Miwakeichi F, Darhan H, Yoshioka K. 2020. Technical note: Calving prediction in dairy cattle based on continuous measurements of ventral tail base skin temperature using supervised machine learning. Journal of Dairy Science 103, 8535-8540.
Hayashi Y, Yoshinaga N, Sasaki Y, Tanoue H, Yoshimura K, Kadowaki Y, Arimura Y, Yanagita T, Ishida Y. 2020. How was cognitive behavioural therapy for mood disorder implemented in Japan? A retrospective observational study using the nationwide claims database from FY2010 to FY2015. BMJ Open 10, e033365.
Furutani A, Sekiguchi S, Sueyoshi M, Sasaki Y. 2020. Assessment of abortion risk of sows on Japanese commercial farms infected with porcine epidemic diarrhea virus. Animal Science Journal 91, e13377.
Sasaki Y, Furutani A, Furuichi T, Hayakawa Y, Ishizeki S, Kano R, Koike F, Miyashita M, Mizukami Y, Watanabe Y, Otake S on behalf of P-JET. 2020. Development of a biosecurity assessment tool and the assessment of biosecurity levels by this tool on Japanese commercial swine farms. Preventive Veterinary Medicine 175, 104848.

2019年

Ueno Y, Uemura R, Niwa H, Higuchi T, Sekiguchi S, Sasaki Y, Sueyoshi M. 2019. Total serum protein reference value for clinical diagnostic index of equine proliferative enteropathy. Journal of Equine Science 30, 63-67.
Kino E, Uematsu M, Kitahara G, Osawa T, Sasaki Y. 2019. Quantitative relationship between climatic conditions and the conception rate of Japanese Black cattle in commercial cow-calf operations. Livestock Science 228, 170-176.
Sasaki Y, Kitai N, Uematsu M, Kitahara G, Osawa T. 2019. Daily calving frequency and preterm calving is not associated with lunar cycle but preterm calving is associated with weather conditions in Japanese Black cows. PLOS ONE 14, e0220255.
佐々木羊介，岡田久雄，川畑忠祐，小池郁子，水上佳大．2019．豚病臨床研究会PRRSアンケート2017第三回の集計結果．豚病臨床研究会誌 77，3-15．
Furutani A, Sekiguchi S, Sueyoshi M, Sasaki Y. 2019. Effect of intervention practices to control the porcine epidemic diarrhea (PED) outbreak during the first epidemic year (2013 to 2014) on time to absence of clinical signs and the number of dead piglets per sow in Japan. Preventive Veterinary Medicine 169, 104710.
Sasaki Y, Sekiguchi S, Toyomaki H, Makita K, Sueyoshi M. 2019. Assessment of the economic impact of porcine epidemic diarrhea (PED) epidemic in the southern Kyushu, Japan. Journal of Veterinary Epidemiology 23, 53-62.
紀野瑛里奈，上松瑞穂，北原豪，大澤健司，佐々木羊介．2019．黒毛和種牛における発情発見方法と分娩率との関連性．産業動物臨床医学雑誌 9, 207-210．
Kino E, Kawakami R, Minamino T, Mikurino Y, Horii Y, Honkawa K, Sasaki Y. 2019. Exploration of factors determining milk production by Holstein cows raised on a dairy farm in a temperate climate area. Tropical Animal Health and Production 51, 529-536.
高橋希，生田泰子，黒田萌黄，朱夏希，岡田綾子， 佐々木羊介，仲澪菜，山口剛士，増田恒幸．2019．珪藻土製品を用いたワクモ対策．鶏病研究会報 54，1-5．

2018年

Koike N, Ngan MT, Shirai M, Kubo M, Hata K, Marumoto N, Watanabe S, Sasaki Y, Mitoma S, Notsu K, Okabayashi T, Wiratsudakul A, Kabali E, Norimine J, Sekiguchi S. 2018. Detection of neutralizing antibody against porcine epidemic diarrhea virus in asymptomatic finishing pigs. Journal of Veterinary Medical Science 80, 1782-1786.
Sekiguchi S, Sasaki Y, Uemura R, Sueyoshi M, Fujii Y. 2018. Practical education of statistics for veterinary medicine and animal science. Proceedings of the Tenth International Conference on Teaching Statistics, ICOTS10, 512.
Sasaki Y, Fujie M, Nakatake S, Kawabata T. 2018. Quantitative assessment of the effects of outside temperature on farrowing rate in gilts and sows by using multivariate logistic regression model. Animal Science Journal 89, 1187-1193.
Irikura N, Uematsu M, Kitahara G, Osawa T, Sasaki Y. 2018. Association of interservice interval with conception rate in Japanese Black cattle. Reproduction in Domestic Animals 53, 1020-1023.
遠矢良平，佐々木羊介，吉原啓介，出口祐一郎，辻厚史．2018．宮崎県における養豚場19戸の抗菌剤使用量の調査と2014-2016年の3年間の変化に関連する要因分析．日本豚病研究会報 72，31-35．
Furutani A, Kawabata T, Sueyoshi M, Sasaki Y. 2018. Assessment of reproductive performance in F1 sows exposed to the porcine epidemic diarrhea virus at different periods of production stage on farms with different hygienic environments. Animal Reproduction Science 192, 233-241.
図師菜緒実，古谷愛奈，中武真吾，佐々木羊介．2018．不断給餌が授乳期の母豚の飼料摂取量およびその後の生産性に与える影響．日本養豚学会誌 55，31-36．
Irikura N, Uematsu M, Kitahara G, Osawa T, Sasaki Y. 2018. Effects of service number on conception rate in Japanese Black cattle. Reproduction in Domestic Animals 53, 34-39.
Toyomaki H, Sekiguchi S, Sasaki Y, Sueyoshi M, Makita K. 2018. Factors associated with farm-level infection of porcine epidemic diarrhea during the early phase of the epidemic in Japan in 2013 and 2014. Preventive Veterinary Medicine 150, 77-85.

2017年

邊見広一郎，谷千賀子，服部法文，實田正博，山中猛，佐々木羊介，片本宏，森友靖生，谷峰人．2017．阿蘇地域の夏季・冬季における放牧褐毛和種の体温日内変動．肉用牛研究会報 103，14-19．
Uemura R, Katsuge T, Sasaki Y, Goto S, Sueyoshi M. 2017. Effects of zinc supplementation on Shiga toxin 2e-producing Escherichia coli in vitro. Journal of Veterinary Medical Science 79, 1637-1643.
Furutani A, Kawabata T, Sueyoshi M, Sasaki Y. 2017. Impact of porcine epidemic diarrhea on herd and individual Berkshire sow productivity. Animal Reproduction Science 183, 1-8.
増田恒幸，柄裕子，岡田綾子，朱夏希，長千恵，佐々木羊介，下岸照和，山里比呂志．2017．ブロイラー農場における伝染性ファブリキウス囊病ワクチン変更に起因すると考えられた死亡淘汰率の増加事例．鶏病研究会報 53，110-114．
Sasaki Y, Toyomaki H, Sekiguchi S, Sueyoshi M, Makita K, Otake S, Perez A, Alvarez J. 2017. Spatial dynamics of porcine epidemic diarrhea (PED) spread in the southern Kyushu, Japan. Preventive Veterinary Medicine 144, 81-88.
入倉法子，上松瑞穂，北原豪，大澤健司，佐々木羊介．2017．宮崎県における和牛繁殖農場の飼養管理の疫学調査および飼養規模と地域間における比較．日本畜産学会報 88，303-313．
古谷愛奈，関口敏，末吉益雄，佐々木羊介．2017．豚流行性下痢の国内流行期（2013年11月～2014年8月）における養豚生産農場の飼養形態および防疫体制の疫学調査．日本養豚学会誌 54，29-43．
Sasaki Y, Kawabata T, Noguchi M. 2017. The effect of porcine epidemic diarrhea (PED) on ovarian function and reproductive performance after weaning in Berkshire sows. Tropical Animal Health and Production 49, 879-882.

2016年

佐々木羊介．2016．農場の収益向上を目的とした生産記録の活用法．獣医疫学雑誌 20，9-12．
Onda K, Sato R, Sasaki Y, Madarame H, Ochiai H, Kawai K, Sunaga F. 2016. Serum Ornithine Carbamoyltransferase activity and correlation with fatty liver in dairy cows with displaced abomasum. American Journal of Animal and Veterinary Sciences 11, 85-90.
Sasaki Y, Uematsu M, Kitahara G, Osawa T. 2016. Reproductive performance of Japanese Black cattle: Association with herd size, season, and parity in commercial cow-calf operations. Theriogenology 86, 2156-2161.
谷千賀子，伊藤秀一，森友靖生，佐々木羊介，片本宏，谷峰人．2016．阿蘇地域の試験農場（季節繁殖和牛）における分娩後の繁殖成績におよぼす分娩時期の影響．産業動物臨床医学雑誌 7，14-19．
Kitahara G, Kamata R, Sasaki Y, El-Sheikh Ali H, Mido S, Kobayashi I, Hemmi K, Osawa T. 2016. Changes in peripheral anti-Müllerian hormone concentration and their relationship with testicular structure in beef bull calves. Domestic Animal Endocrinology 57, 127-132.
佐々木羊介，関口敏，末吉益雄．2016．PED感染拡大リスク因子およびPED発生対応の豚臨研アンケート調査結果（2013年11月～2014年8月）．豚病臨床研究会誌 70，3-32．
佐々木羊介，関口敏，末吉益雄．2016．豚流行性下痢の感染伝播に関連するリスク因子の疫学調査．日本豚病研究会報 67，12-17．
Sasaki Y, Furusho K, Ushijima R, Tokunaga T, Uemura R, Sueyoshi M. 2016. Body surface temperature of suckling piglets measured by infrared thermography and its association with body weight change. Japan Agricultural Research Quarterly 50, 361-368.
Sasaki Y, Alvarez J, Sekiguchi S, Sueyoshi M, Otake S, Perez A. 2016. Epidemiological factors associated to spread of porcine epidemic diarrhea in Japan. Preventive Veterinary Medicine 123, 161-167.
Sasaki Y, Sekiguchi S, Uemura R, Sueyoshi M. 2016. The effect of depopulation and restocking on reproductive and growth performances on Japanese commercial swine farms. Journal of Veterinary Medical Science 78, 333-335.

2015年

Sasaki Y, Ushijima R, Sueyoshi M. 2015. Field study of hind limb claw lesions and claw measures in sows. Animal Science Journal 86, 351-357.
佐々木羊介．2015．産業動物分野における繁殖疫学の手法を用いた生産情報の活用法．産業動物臨床医学雑誌 5，232-237．
Sasaki Y, Uemura R, Sekiguchi S, Takahashi T, Fujii Y, Sueyoshi M. 2014. An analysis of factors affecting production performance in broiler flocks in Japanese commercial farms. British Poultry Science 55, 737-744.

2014年

Sasaki Y, Uematsu M, Kitahara G, Osawa T, Sueyoshi M. 2014. Effects of stillbirth and dystocia on subsequent reproductive performance in Japanese Black cattle. The Veterinary Journal 200, 462-463.
Ohmori H, Sasaki Y, Tajima K, Katsumata M. 2014. Radioactive caesium concentrations in pigs fed brown rice contaminated by the Tokyo Electric Power Company Fukushima Daiichi nuclear power plant. Livestock Science 159, 156-160.
Sasaki Y, Tokunaga T, Uemura R, Sueyoshi M. 2014. An assessment of reproductive and lifetime performances of Kagoshima Berkshire gilts and sows. Animal Science Journal 85, 213-218.

2013年

Uematsu M, Sasaki Y, Kitahara G, Sameshima H, Osawa T. 2013. Risk factors for stillbirth and dystocia in Japanese Black cattle. The Veterinary Journal 198, 212-216.

2012年

Sasaki Y, Takemura Y, Koketsu Y. 2012. An assessment of four components of sow lifetime nonproductive days and lifetime performance on high-, intermediate- and low-performance commercial breeding farms. Journal of Veterinary Epidemiology 16, 135-141.
Sasaki Y, McTaggart I, Koketsu Y. 2012. Assessment of lifetime economic returns of sows by parity of culled sows in commercial breeding herds. Journal of Veterinary Epidemiology 16, 37-45.
Sasaki Y, Koketsu Y. 2012. A herd management survey on culling guidelines and actual culling practices in three herd groups based on reproductive productivity in Japanese commercial swine herds. Journal of Animal Science 90, 1995-2002.
Sekiguchi M, Shibahara T, Miyazaki A, Tajima T, Shimizu S, Kabali E, Takano Y, Sasaki Y, Kubo M. 2012. In situ hybridization and immunohistochemistry for the detection of porcine cytomegalovirus. Journal of Virological Methods 179, 272-275.
纐纈雄三，佐々木羊介．2012．養豚農場での安楽死―米国ポーク生産者協議会による生産者のための推奨．明治大学農学部研究報告62，31–40.

2011年

Sasaki Y, Koketsu, Y. 2011. Reproductive profile and lifetime efficiency of female pigs by culling reason in high-performing commercial breeding herds. Journal of Swine Health and Production 19, 284-291.
Sasaki Y, Saito H, Shimomura A, Koketsu Y. 2011. Consecutive reproductive performance after parity 2 and lifetime performance in sows that had reduced pigs born alive from parity 1 to 2 in Japanese commercial herds. Livestock Science 139, 252-257.
Saito H, Sasaki Y, Koketsu Y. 2011. Associations between age of gilts at first mating and lifetime performance or culling risk in commercial herds. Journal of Veterinary Medical Science 73, 555-559.
Enokida M, Sasaki Y, Hoshino Y, Saito H, Koketsu Y. 2011. Claw lesions in lactating sows on commercial farms were associated with postural behavior, but not with reproductive performance and culling risk. Livestock Science 136, 256-261.
佐々木羊介，Kabali Emmanuel，芝原友幸，小林秀樹，清水稚恵，森田大輔，久保正法．2011．豚の全身性Actinobacillus suis感染症．日本獣医師会雑誌 64，381-384.

2010年

Sasaki Y, Koketsu, Y. 2010. Euthanasia for gilts and sows on Japanese commercial farms. Journal of Veterinary Epidemiology 14, 124-129.
Enokida M, Sasaki Y, Takai Y, Koketsu, Y. 2010. Survival and risk factors associated with claw lesions of female pigs in farrowing crates on a large commercial farm. Journal of Veterinary Epidemiology 14, 118-123.
Koketsu Y, Sasaki Y, Ichikawa H, Kaneko M. 2010. Benchmarking in animal agriculture: Concepts and applications. Journal of Veterinary Epidemiology 14, 105-117.
Takai Y, Sasaki Y, Koketsu, Y. 2010. Comparisons in economic returns between double- and triple matings in female pigs in commercial herds. Journal of Veterinary Epidemiology 14, 47-54.
Saito H, Sasaki Y, Hoshino Y, Koketsu Y. 2010. The occurrence of decreased numbers of pigs born alive in parity 2 sows does not negatively affect herd productivity in Japan. Livestock Science 128, 189-192.
佐々木羊介，塚原健史，纐纈雄三．2010．繁殖成績レベルが異なる農場における3カ月ごとの離乳後6日以内交配母豚割合．日本獣医師会雑誌 63，187-190.
Sasaki Y, Koketsu Y. 2010. Culling intervals and culling risks in four stages of the reproductive life of first service and reserviced female pigs in commercial herds. Theriogenology 73, 587-594.
佐々木羊介，遠藤圭司，纐纈雄三．2010．ポイントサンプリング法での農場における繁殖雌豚の妊娠末期豚と授乳豚の行動比較．明治大学農学部研究報告 59, 61-66.

2009年

Kaneko M, Sasaki Y, Takai Y, Koketsu, Y. 2009. A field study of the relationship between leg structure scores and survivability, backfat thickness and behavior in staled female pigs. Journal of Veterinary Epidemiology 13, 114-120.
塚原健史，佐々木羊介，星野侑子，高井康孝，纐纈雄三．2009．高・中・低繁殖生産性農場における母豚の離乳後初回交配日数と次産時の繁殖成績の関連．関東畜産学会報 60，8-15.
Hoshino Y, Sasaki Y, Koketsu, Y. 2009. A high percentage of pigs born dead in litters in high-, intermediate- and low-performing herds. Journal of Veterinary Medical Science 71, 1579-1583.
星野侑子，溝口康，佐々木羊介，纐纈雄三．2009．繁殖母豚の毛根の付いた体毛からのDNAの抽出法と遺伝子多型の検出法の開発．明治大学農学部研究報告 59，9-13.
余西竜平，佐々木羊介，纐纈雄三．2009．国内繁殖雌豚農場における繁殖雌豚の淘汰までの日数と淘汰理由. 関東畜産学会報 59, 59-64.
Koketsu Y, Sasaki Y. 2009. By-parity nonproductive female days in commercial swine herds. Journal of Veterinary Medical Science 71, 263–267.
Koketsu Y, Sasaki Y. 2009. Boar culling and mortality in commercial swine breeding herds. Theriogenology 71, 1186-1191.

2008年

澤田賢，佐々木羊介，纐纈雄三．2008．繁殖雌豚の妊娠期と授乳期における背脂肪厚と繁殖成績との関連性．関東畜産学会報59，22-28．
佐々木羊介，余西竜平，纐纈雄三．2008．国内繁殖雌豚農場における繁殖雌豚の死亡までの日数．関東畜産学会報 59，14–21.
Sasaki Y, Koketsu Y. 2008. Mortality, death interval, survivals, and herd factors for death in gilts and sows in commercial breeding herds. Journal of Animal Science 86, 3159-3165.
田中祐樹，高井康孝，星野侑子，佐々木羊介，纐纈雄三．2008．大規模生産農場における授乳母豚の24時間中の昼間と夜間の授乳・姿勢・摂食行動の比較．関東畜産学会報 58，71-76.
Sasaki Y, Koketsu Y. 2008. Sows having high lifetime efficiency and high longevity associated with herd productivity in commercial herds. Livestock Science 118, 140-146.
佐々木羊介，大峰広宣，纐纈雄三．2008．妊娠末期豚と授乳豚の姿勢と常同行動と繁殖成績との関連性．明治大学農学部研究報告58，13-18.

2007年

Sasaki Y, Koketsu Y. 2007.Variability and repeatability in gestation length related with litter performances in female pigs on commercial farms. Theriogenology 68, 123-127.