[1] LUCY M C.Reproductive loss in high-producing dairy cattle:where will it end?[J].Journal of Dairy Science,2001,84(6):1277-1293.
[2] 王凯.奶牛的发情鉴定与管理[J].黑龙江动物繁殖,2015,23(4):11-12.
[3] SAUMANDE J,HUMBLOT P.The variability in the interval between estrus and ovulation in cattle and its determinants[J].Animal Reproduction Science,85(3/4):171-182.
[4] 蒋晓新,刘炜,魏星远,等.运用计步器鉴定泌乳盛期荷斯坦奶牛的发情效果研究[J].安徽农业科学,2013,41(15):6728-6729,6732.
[5] VERONESE A,MARQUES O,MOREIRA R,et al.Estrous characteristics and reproductive outcomes of Holstein heifers treated with 2 prostaglandin formulations and detected in estrus by an automated estrous detection or mounting device[J].Journal of Dairy Science,2019,102(7):6649-6659.
[6] 邵大富,王封霞,李胜利,等.发情期间奶牛反刍行为和产奶量的变化规律[C]//第七届中国奶业大会论文集.青岛:中国奶业协会,2016.
[7] 李蓝祁.奶牛繁殖周期体温与活动量自动检测及变化规律研究[D].硕士学位论文.长沙:湖南农业大学,2018.
[8] 秦博文.浅谈奶牛的发情鉴定与人工授精操作[J].农业开发与装备,2019(5):238-239.
[9] 王欢,赵献锋.高产母奶牛发情鉴定的方法[J].当代畜禽养殖业,2009(6):22.
[10] PENNINGTON J A,CALLAHAN C J.Use of mount detectors plus chalk as an estrous detection aid for dairy cattle[J].Journal of Dairy Science,1986,69(1):248-252.
[11] REITH S,HOY S.Automatic monitoring of rumination time for oestrus detection in dairy cattle[C]//Animal production technology.International Conference of Agricultural Engineering.http://cigr.ageng2012.org/images/fotosg/tabla_137_C0621.pdf.2012.
[12] MACKAY J R D,DEAG J M,HASKELL M J.Establishing the extent of behavioural reactions in dairy cattle to a leg mounted activity monitor[J].Applied Animal Behaviour Science,2012:139(1/2):35-41.
[13] TIAN F Y,DONG C,DONG X N,et al.Behavioral features recognition and oestrus detection based on fast approximate clustering algorithm in dairy cows[J].IOP Conference Series:Earth and Environmental Science,2017,69(1):012069.
[14] 刘忠超,何东健.基于卷积神经网络的奶牛发情行为识别方法[J].农业机械学报,2019,50(7):186-193.
[15] 余晶,熊海谦,张元.国内阿菲金牧场管理系统的应用研究进展[J].中国畜牧兽医文摘,2018,34(1):14-15.
[16] 肖文婷.阿菲金推动牧场强大生产力和利益最大化的管理工具[C]//第七届中国奶业大会论文集.青岛:中国奶业协会,2016:360-361.
[17] 张春梅,席丽,李志强,等.奶牛的发情鉴定方法比较[J].当代畜禽养殖业,2019,(1):6-9.
[18] 耿慧兰.新设备、新技术在奶牛生产中的开发应用[J].今日畜牧兽医:奶牛,2012(4):30-32.
[19] AUNGIER S P M,ROCHE J F,DUFFY P,et al.The relationship between activity clusters detected by an automatic activity monitor and endocrine changes during the periestrous period in lactating dairy cows[J].Journal of Dairy Science,2015,98(3):1666-1684.
[20] SCHWEINZER V,GUSTERER E,KANZ P,et al.Evaluation of an ear-attached accelerometer for detecting estrus events in indoor housed dairy cows[J].Theriogenology,2019,130:19-25.
[21] CAVALIERI J,FLINKER L R,ANDERSON G A,et al.Characteristics of oestrus measured using visual observation and radiotelemetry[J].Animal Reproduction Science,2003,76(1/2):1-12.
[22] 杨章平,陆克文,程广龙,等.黑白花奶牛体温变化与发情及排卵关系的研究[J].畜牧与兽医,1992,24(1):2-3.
[23] ROELOFS J B,VAN ERP-VAN DER KOOIJ E.Estrus detection tools and their applicability in cattle:recent and perspectival situation[J].Animal Reproduction,2018,12(3):498-504.
[24] SAKATANI M,TAKAHASHI M,TAKENOUCHI N.The efficiency of vaginal temperature measurement for detection of estrus in Japanese black cows[J].Journal of Reproduction and Development,2016,62(2):201-207.
[25] RANDI F,MCDONALD M,DUFFY P,et al.The relationship between external auditory canal temperature and onset of estrus and ovulation in beef heifers[J].Theriogenology,2018,110:175-181.
[26] 蔡勇.牛体表温度自动采集系统研发及其与体内温度拟合曲线的研究[D].硕士学位论文.北京:中国农业科学院,2015.
[27] REITH S,HOY S. Review:behavioral signs of estrus and the potential of fully automated systems for detection of estrus in dairy cattle[J].Animal,2018,12(2):398-407.
[28] DENIS-ROBICHAUD J,LEBLANC S J,JONES-BITTON A,et al.Pilot study to evaluate the association between the length of the luteal phase and estrous activity detected by automated activity monitoring in dairy cows[J].Frontiers in Veterinary Science,2018,5:210.
[29] 田宏志,刘江静,陈晓丽,等.奶牛生殖激素和体温的性周期变化及调控机制研究进展[J].中国畜牧杂志,2019,55(2):27-32.
[30] LEROY C N S,WALTON J S,LEBLANC S J.Estrous detection intensity and accuracy and optimal timing of insemination with automated activity monitors for dairy cows[J].Journal of Dairy Science,2018,101(2):1638-1647.
[31] 陈超,张欣欣,安志高,等.奶牛早期妊娠诊断技术的研究进展[J].中国奶牛,2019(4):26-29.
[32] ADRIAENS I,SAEYS W,GEERINCKX K,et al.Short communication:validation of a novel milk progesterone-based tool to monitor luteolysis in dairy cows using cost-effective,on-farm measured data[J].Journal of Dairy Science,2019,102(10):9458-9462.
[33] 李俊杰,申国新,汪恩强,等.围产期奶牛几种血液生理生化指标监测[J].中国奶牛,2014(21):27-31.
[34] RORIE R W,BILBY T R,LESTER T D.Application of electronic estrus detection technologies to reproductive management of cattle[J].Theriogenology,2002,57(1):137-148.
[35] STURMAN H,OLTENACU E A B,FOOTE R H.Importance of inseminating only cows in estrus[J].Theriogenology,2000,53(8):1657-1667.
[36] VAN EERDENBURG F J C M,LOEFFLER H S H,VAN VLIET J H.Detection of oestrus in dairy cows:a new approach to an old problem[J].Veterinary Quarterly,1996,18(2):52-54.
[37] KIDDY A C.Variation in physical activity as an indication of estrus in dairy cows[J].Journal of Dairy Science,60(2):235-243.
[38] ROELOFS J B,VAN EERDENBURG F J C M,SOEDE N M,et al.Pedometer readings for estrous detection and as predictor for time of ovulation in dairy cattle[J].Theriogenology,64(8):1690-1703.
[39] 李蓝祁,刘江静,陈晓丽,等.奶牛发情期活动量变化规律研究[J].畜牧兽医学报,2018,49(7):1387-1393.
[40] 李军,罗艳红,冯艳,等.陕西省千阳县奶牛计步器应用效果分析[J].中国乳业,2016(1):41-43.
[41] MAATJE K,LOEFFLER S H,ENGEL B.Predicting optimal time of insemination in cows that show visual signs of estrus by estimating onset of estrus with pedometers[J].Journal of Dairy Science,1997,80(6):1098-1105.
[42] 罗艳红,李军,刘慧岚,等.千阳县奶牛计步器应用效果分析[C]//第七届中国奶业大会论文集.北京:中国奶业协会,2016:210-211.
[43] 高树,马广英,刘贤侠,等.对奶牛场几种发情鉴定方法的评价及思考[J].中国奶牛,2015(5):15-17.
[44] 胡仁超.荷斯坦牛活动量变化规律及其影响因素的相关性研究[D].硕士学位论文.杨凌:西北农林科技大学,2016.
[45] 沈维政,张爱静,张宇.奶牛反刍研究进展[C]//中国畜牧兽医学会信息技术分会第十二届学术研讨会论文集.鹤壁:中国畜牧兽医学会信息技术分会,2017:55-64.
京公网安备 11010802041926号