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- egg laying hormone 排卵激素
- Hatchling sex ratio at this beach possibly depends on the date of egg laying. 雉龜的性別比則可能受到產(chǎn)卵的時(shí)間所決定。
- The lack of a good nesting spot can cause some females to withhold egg laying, with dangerous consequences. 因為沒(méi)有良好的產(chǎn)卵地點(diǎn)的話(huà)會(huì )使某些雌性拒絕產(chǎn)卵，而這會(huì )導致危險的后果?！?/li>
- Egg laying peaks are found twice a day. One is at dawn and the otherafter the activity peak in the evening. 蚊群當黃昏活動(dòng)高峰后和黎明時(shí)各出現一次產(chǎn)卵高峰。
- Egg laying peaks were twice a day. One was at dawn and the other after the activity peak in the evening. 每d有兩次產(chǎn)卵高峰，分別為黎明和夜晚活動(dòng)高峰后；
- That is a result calculated by the scientific research department through mutual modification of breeding rate, egg laying rate, hatchability and survival rate surveyed. 這是科研部門(mén)用測得的繁殖率、產(chǎn)卵率、孵化率、成活率等因素互為修正得出的結果。
- Nine blood biochemical indices of White Leghorn Line S220 chicks at age of 8 and 12 weeks were tested. The phenotypic and genetic correlations between these indices and egg laying performance as well as heritabilities of these indexes were estimated. 測定了8、12周齡S220母雛9項血液生化指標,估測其遺傳力及其與產(chǎn)蛋性能間的表型相關(guān)和遺傳相關(guān)。
- It was found that the egg diameter(D) showed a ten dency to relate positively to the body size of the egg laying females, and was correlated negatively with the field sea water temperature (t), being fitted by D=atb. 卵徑大小(D)似與產(chǎn)卵雌體大小呈正相關(guān); 而與海區水溫(t)呈負相關(guān),并可擬合為D=a·t~b。
- For Silkies without broody occurrence in the first half egg laying cycle, PRLR3 and PRLR6 did not influence egg production traits including age at first egg, weight of first egg, egg weight at 40 wks, and egg number at 40 wks (P>0.05). 絲羽烏骨雞群體中;PRLR3和PRLR6位點(diǎn)變異對未曾發(fā)生過(guò)就巢的絲羽烏骨雞產(chǎn)蛋性狀(開(kāi)產(chǎn)日齡、開(kāi)產(chǎn)蛋重、40周齡蛋重和40周齡產(chǎn)蛋量)影響均不顯著(zhù)(P>0.;05)。
- Blake; Aristolochia chanpionii and Cymbopogon citrate, IIPC were 0.048, 0.141, 0.244, 0.295 respectively, the result of deterrent the egg laying of tabacco whitefly was above 70% . Blake、馬兜鈴Aristolochia chanpionii、香茅Cymbopogon citratus Stapf.;的IIPC值分別為0
- He tried to varnish over the truth with a lie. 他試圖用謊言來(lái)掩蓋真相。
- Discussion on the Air Control in Egg Laying Room 淺談產(chǎn)卵室空氣
- Objective To investigate the eggs laying characteristic of the reared population of Lucilia sericata. 摘要目的觀(guān)察絲光綠蠅室內種群在整個(gè)產(chǎn)卵期內的產(chǎn)卵量動(dòng)態(tài)變化規律。
- Analysis on causes of egg laying decrease in layers 雞產(chǎn)蛋率下降原因分析
- Effect of daidzein on egg laying performance and hormone levels in serum of Shaoxing ducks during the late stage of egg production cycle 大豆黃酮對產(chǎn)蛋后期紹興鴨生產(chǎn)性能及血清中一些激素水平的影響
- He had to lie down for a while to rest his legs. 他得躺下一會(huì )兒讓腿休息一下。
- The petition was ordered to lie on the table. 該請愿書(shū)奉命暫擱一邊，以后討論。
- He is so naive as to believe such a lie. 他竟然幼稚得連這種謊言都相信。
- She feel sick and go to lie down in her cabin. 她感覺(jué)有些惡心，回她的房艙去躺下休息了。
- Some rowing boats lay keeled over on the beach. 一些劃艇船底朝天地放在沙灘上。
