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Studies on the physiology of reproduction in the dog. I. Duration of oestrus

, : Studies on the physiology of reproduction in the dog. I. Duration of oestrus. Japanese Journal of Animal Reproduction 18(4): 132-136

Observations were made on 50 mongrel bitches aged 2-4 yr and weighing approx. 10 kg. 31 bitches were mated during oestrus, of which 23 became pregnant. The duration of pro-oestrus averaged 8.3 days (3-27), the duration of oestrus 10.9 days (5-20) and the duration of pro-oestrus plus oestrus 19.4 days (11-35).


Other references

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Liao, L.; Xing, H.; Dong, Y.; Qin, G.; Ma, Y.; Lu, H.; Chen, L.; Zhang, L.; Osborne, C.; Seguy, N.; Wei, D.; Sun, F.; Yang, J.; Ruan, Y.; Shao, Y., 2012: Surveys of transmitted HIV drug resistance in 7 geographic Regions in China, 2008-2009. In 2003, antiretroviral therapy became available free of charge in China's public health sector. During 2008 and 2009, 10 surveys to classify transmitted human immunodeficiency virus drug resistance (HIVDR) were conducted in 7 regions in 5 pr...; Wang Hong Mei; Guo Shou Zhi, 2000: Determination of berberine hydrochloride in Fen-Ci-Jing granules by double wave-length thin layer scanning method. Double wave-length thin layer scanning was used to determine the content of berberine hydrochloride in Fen-Ci-Jing granules, using butyl alcohol-acetic acid-water (7 : 1 : 2) as developer. In the range of 1apprx5 mug/ml, the linear regression equa...

Wawrzynowicz Syczewska, M., 1997: HBsAg calibration and subtyping A pilot study. Central-European Journal of Immunology 22(3): 208

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Kozerski, L.; Kamieński, B.; Kawecki, R.; Urbanczyk-Lipkowska, Z.; Bocian, W.; Bednarek, E.; Sitkowski, J.; Zakrzewska, K.; Nielsen, K.T.; Hansen, P.Erik., 2003: Solution and solid state 13C NMR and X-ray studies of genistein complexes with amines. Potential biological function of the C-7, C-5, and C4'-OH groups. Parent genistein and its new amine complexes with morpholine and piperazine were studied comparatively in the solid and liquid states by X-ray crystallography and 13C and 15N NMR spectroscopy. Biochanine A and its complexes were used as reference....

Agbede, G.B.; Teguia, A.; Manjeli, Y., 1995: Survey on traditional poultry production in Cameroon. A survey was conducted in three ecological zones of Cameroon to analyse some technical and socio-economic parameters of traditional chickens farming which gives about 60 % of the national poultry meat production. From the results obtained, it appe...

Sampson, C.Garth, 2003: Amphibians from the Acheulean site at Duinefontein 2 (Western Cape, South Africa). Abundant amphibian remains were encountered at Duinefontein 2, a late mid-Quaternary fossil site with Acheulean artifacts. The amphibians are distributed in concentric bands that suggest shoreline lags around the southeast rim of an interdunal pon...

Wenger, R.M., 1988: Cyclosporine: conformation and analogues as tools for studying its mechanism of action. Transplantation Proceedings 20(2 Suppl 2): 313-318