[1] FAN J F,HAN X H,HE H H,et al.The expression of
ERK1/2 in female yak (
Bos grunniens) reproductive organs[J].Animals,2020,10(2):334.
[2] ZI X D.Reproduction in female yaks (
Bos grunniens) and opportunities for improvement[J].Theriogenology,2003,59(5/6):1303-1312.
[3] ZHANG Q W,WANG Q,ZHANG Y,et al.Comprehensive analysis of microRNA-messenger RNA from white yak testis reveals the differentially expressed molecules involved in development and reproduction[J].International Journal of Molecular Sciences,2018,19(10):3083.
[4] 张君.不同繁殖类型的牦母牛在发情期和围产期的体况评分[J].青海畜牧兽医杂志,2007,37(2):13-14. ZHANG J.Body condition score of different reproductive types of female yak in oestrus and perinatal period[J].Chinese Qinghai Journal of Animal and Veterinary Sciences,2007,37(2):13-14.(in Chinese)
[5] GUO X,PEI J,DING X Z,et al.Comparative proteomic analysis of yak follicular fluid during estrus[J].Asian-Australasian Journal of Animal Sciences,2016,29(9):1239-1246.
[6] 张帆,呙于明,熊本海.围产期奶牛能量负平衡营养调控研究进展[J].动物营养学报,2020,32(7):2966-2974. ZHANG F,YAN Y M,XIONG B H.Research progress on nutritional regulation of negative energy balance in dairy cows during transition period[J].Chinese Journal of Animal Nutrition,2020,32(7):2966-2974.(in Chinese)
[7] 张君,更求久乃.补饲对青海高原型围产期牦母牛的影响[J].中国畜牧杂志,2007,43(9):59-60. ZHANG J,GENGQIU J N.Effect of supplementary feeding on
Qinghai plateau type perinatal yak cows[J].Chinese Journal of Animal Husbandry,2007,43(9):59-60.(in Chinese)
[8] 阿顺贤,罗增海,张文颖,等.菊苣酸对围产期放牧牦牛生长性能、血清生化指标及抗氧化能力的影响[J].中国畜牧兽医,2019,46(2):449-457. A S X,LUO Z H,ZHANG W Y.Effects of chicory acid on growth performance,serum biochemical indices and antioxidant ability of grazing yak in perinatal period[J].Chinese Animal Husbandry and Veterinary Medicine,2019,46(2):449-457.(in Chinese)
[9] 宋玉锡,白云龙,钱伟东,等.肉牛能量负平衡发生风险的预警指标建立[J].动物医学进展,2019,40(9):133-136. SONG Y X,BAI Y L,QIAN W D,et al.Establishment of early warning indicators for the risk of negative energy balance in beef cattle[J].Progress in Veterinary Medicine,2019,40(9):133-136.(in Chinese)
[10] 胡奎.浅析奶牛酮病[J].中国畜禽种业,2017,13(3):132. HU K.Brief analysis of cow ketosis[J].The Chinese Livestock and Poultry Breeding,2017,13(3):132.(in Chinese)
[11] NEWMAN J C,VERDIN E.Ketone bodies as signaling metabolites[J].Trends in Endocrinology & Metabolism,2014,25(1):42-52.
[12] HO C F,CHAN K W,YEH H I,et al.Ketone bodies upregulate endothelial connexin 43(Cx43) gap junctions[J].The Veterinary Journal,2013,198(3):696-701.
[13] TSUKAMURA H,MAEDA K I.Non-metabolic and metabolic factors causing lactational anestrus:rat models uncovering the neuroendocrine mechanism underlying the suckling-induced changes in the mother[J].Progress in Brain Research,2001,133:187-205.
[14] STOLDT A K,MIELENZ M,NÜRNBERG G,et al.Effects of a six-week intraduodenal supplementation with quercetin on liver lipid metabolism and oxidative stress in peripartal dairy cows[J].Journal of Animal Science,2016,94(5):1913-1923.
[15] MCCUE M D.Snakes survive starvation by employing supply- and demand-side economic strategies[J].Zoology,2007,110(4):318-327.
[16] OSORIO J S,TREVISI E,JI P,et al.Biomarkers of inflammation,metabolism,and oxidative stress in blood,liver,and milk reveal a better immunometabolic status in peripartal cows supplemented with Smartamine M or MetaSmart[J].Journal of Dairy Science,2014,97(12):7437-7450.
[17] SORDILLO L M,CONTRERAS G A,AITKEN S L.Metabolic factors affecting the inflammatory response of periparturient dairy cows[J].Animal Health Research Reviews,2009,10(1):53-63.
[18] VANHOLDER T,LEROY J L,VAN SOOM A,et al.Effect of non-esterified fatty acids on bovine theca cell steroidogenesis and proliferation
in vitro[J].Animal Reproduction Science,2006,92(1/2):51-63.
[19] SUTTON J D,DHANOA M S,MORANT S V,et al.Rates of production of acetate,propionate,and butyrate in the rumen of lactating dairy cows given normal and low-roughage diets[J].Journal of Dairy Science,2003,86(11):3620-3633.
[20] MCART J A A,NYDAM D V,OETZEL G R,et al.Elevated non-esterified fatty acids and β-hydroxybutyrate and their association with transition dairy cow performance[J].The Veterinary Journal,2013,198(3):560-570.
[21] CALOIN M.Modeling of lipid and protein depletion during total starvation[J].American Journal of Physiology-Endocrinology and Metabolism,2004,287(4):E790-E798.
[22] MORAES G,ALTRAN A E,AVILEZ I M,et al.Metabolic adjustments during semi-aestivation of the marble swamp eel (
Synbranchus marmoratus,Bloch 1795)-a facultative air breathing fish[J].Brazilian Journal of Biology,2005,65(2):305-312.
[23] VILLA-GODOY A,HUGHES T L,EMERY R S,et al.Association between energy balance and luteal function in lactating dairy cows[J].Journal of Dairy Science,1988,71(4):1063-1072.
[24] WEGHOFER A,SCHNEPF S,BARAD D,et al.The impact of luteinizing hormone in assisted reproduction:a review[J].Current Opinion in Obstetrics and Gynecology,2007,19(3):253-257.
[25] CROWE M A.Resumption of ovarian cyclicity in post-partum beef and dairy cows[J].Reproduction in Domestic Animals,2008,43(Suppl.5):20-28.
[26] DISKIN M G,MACKEY D R,ROCHE J F,et al.Effects of nutrition and metabolic status on circulating hormones and ovarian follicle development in cattle[J].Animal Reproduction Science,2003,78(3/4):345-370.
[27] 谢炳坤.广西黄牛和水牛发情周期血清生殖激素变化规律的研究[D].硕士学位论文.南宁:广西大学,2005. XIE B K.Studies on chances of serum concentrations of reproductive hormones during the estrous cycle in cattle and buffaloes in
Guangxi[D].Master's Thesis.Nanning:Guangxi University,2005.(in Chinese)
[28] BUTLER W R.Energy balance relationships with follicular development,ovulation and fertility in postpartum dairy cows[J].Livestock Production Science,2003,83(2/3):211-218.
[29] 陈孝德.幼年牦牛出栏时间对其生产性能的影响[J].中国畜牧兽医,2009,36(1):136-137. CHENG X D.Effect of stocking time on production performance of young yaks[J].Chinese Animal Husbandry and Veterinary Medicine,2009,36(1):136-137.(in Chinese)
[30] HERDT T H.Ruminant adaptation to negative energy balance:influences on the etiology of ketosis and fatty liver[J].Veterinary Clinics of North America:Food Animal Practice,2000,16(2):215-230.
[31] BUTLER W R.Nutritional interactions with reproductive performance in dairy cattle[J].Animal Reproduction Science,2000(60/61):449-457.
