[1] MATTHEWS S G, MILLER A L, CLAPP J, et al.Early detection of health and welfare compromises through automated detection of behavioural changes in pigs[J].The Veterinary Journal,2016,217:43-51. [2] SANTONI M M, SENSUSE D I, ARYMURTHY A M, et al.Cattle race classification using gray level co-occurrence matrix convolutional neural networks[J].Procedia Computer Science,2015,59:493-502. [3] DOVILE M, RAMŪNAS A, VIDA J, et al. Impact of calving difficulty on lameness in dairy cows[J].Agriculture,2022,12(7):960. [4] MOREK-KOPEC M, ZARNECKI A, PTAK E, et al.Effect of calving difficulties and calf mortality on functional longevity in Polish Holstein-Friesian cows[J].Animals (Basel),2021,11(10):2792. [5] VANRADEN P M, COLE J B, GADDIS K L P. Net merit as a measure of lifetime profit:2014 revision[J].AIP Research Report,2018,7:5-18. [6] SUN S, QIN J, XUE H.Sheep delivery scene detection based on faster-RCNN[C]//2019 International conference on image and video processing, and artificial intelligence.Bellingham,Washington:SPIE,2019,11321:297-303. [7] LI J, WU J M.Leukocyte detection in blood smear image based on improved YOLOv3[C]//Proceedings of the 2020 the 10th international workshop on computer science and engineering (WCSE 2020).Shanghai:WCSE 2020,2020:144-149. [8] LIU W, ANGUELOV D, ERHAN D, et al.SSD: Single shot multibox detector[M]//BASTIAN L, JIRI M, NICU S, et al.Computer vision-ECCV 2016. Cham:Springer International Publishing,2016:21-37. [9] 代昕,王军号,张翼,等.基于时空流特征融合的俯视视角下奶牛跛行自动检测方法[J].智慧农业,2024,6(4):18-28. [10] KLIEMANN R D, FERNANDES S R, CAMPOS M M, et al.Sensor validation to record rumination and analysis of behavioral parameters of dairy Gyr heifers in feedlot systems[J].Tropical Animal Health and Production,2023,55(3):166. [11] BLOCH V, FRONDELIUS L, ARCIDIACONO C, et al.Development and analysis of a CNN- and transfer-learning-based classification model for automated dairy cow feeding behavior recognition from accelerometer data[J].Sensors,2023,23(5):2611. [12] 吴頔华. 基于视频分析的奶牛呼吸行为检测方法研究[D].杨凌:西北农林科技大学,2021. [13] 赵凯旋,何东健,王恩泽.基于视频分析的奶牛呼吸频率与异常检测[J].农业机械学报,2014,45(10):258-263. [14] WU D H, YIN X Q, JIANG B, et al.Detection of the respiratory rate of standing cows by combining the Deeplab V3+ semantic segmentation model with the phase-based video magnification algorithm[J].Biosystems Engineering,2020,192:72-89. [15] SUN S W,QIN J P,XUE H S.Sheep delivery scene detection based on faster-RCNN[C]//2019 International conference on image,video processing and artificial intelligence.Bellingham,Washinton:SPIE,2019,11321:11321C. [16] LISEUNE A, VAN DEN POEL D, HUT P R, et al. Leveraging sequential information from multivariate behavioral sensor data to predict the moment of calving in dairy cattle using deep learning[J].Computers and Electronics in Agriculture,2021,191:106566. [17] BARRIER A C, HASKELL M J, MACRAE A I, et al.Parturition progress and behaviours in dairy cows with calving difficulty[J].Applied Animal Behaviour Science,2012,139(3/4):209-217. [18] ARTHUR G H, BEE D.Dystocia and other disorders associated with parturition[J].International Journal of Gynecology and Obstetrics,1996,53(1):73-80. [19] BEAM A L, LOMBARD J E, KOPRAL C A, et al.Prevalence of failure of passive transfer of immunity in newborn heifer calves and associated management practices on US dairy operations[J].Journal of Dairy Science,2009,92(8):3973-3980. [20] AKBARZADEH M, NEMATOLLAHI A, FARAHMAND M, et al.The effect of two-staged warm compress on the pain duration of first and second labor stages and apgar score in prim gravida women:a randomized clinical trial[J].Journal of Caring Sciences,2018,7(1):21-26. [21] FREY H A, TUULI M G, CORTEZ S, et al.Does delayed pushing in the second stage of labor impact perinatal outcomes?[J].American Journal of Perinatology,2012,29(10):807-814. [22] AKBARZADEH M, MORADI Z, HADIANFARDM J,et al.Comparison of the effect of mono-stage and bi- stage acupressure at sp6 point on the severity of labor pain and the delivery outcome[J]. International Journal of Community Based Nursing and Midwifery,2013,1(3):165-172. [23] REYNOLDS F.The effects of maternal labour analgesia on the fetus[J].Best Practice and Research:Clinical Obstetrics and Gynaecology,2010,24(3):289-302. |