کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
2074648 | 1544810 | 2008 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
LH response of seasonally anovular Corriedale ewes acutely exposed to rams and estrous ewes
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موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
علوم دامی و جانورشناسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: LH response of seasonally anovular Corriedale ewes acutely exposed to rams and estrous ewes LH response of seasonally anovular Corriedale ewes acutely exposed to rams and estrous ewes](/preview/png/2074648.png)
چکیده انگلیسی
Serial blood sampling before and after exposing four anovular Corriedale ewes to a group of rams and estrous ewes during the non-breeding season revealed a pattern of LH secretion similar to that previously observed in Merinos. Mean LH values doubled (P < 0.001) from 0.24 ± 0.06 μg Lâ1 (mean ± s.e.m.) before to 0.55 ± 0.05 μg Lâ1 after 2 h of visual, auditory, and odor exposure to rams and estrous ewes in an indoor facility. A non-significant (P < 0.17) increase of LH pulses per hour was also observed (0.7 ± 0.3 pulses per hour before compared with 1.3 ± 0.3 during stimulation). All four ewes had recently formed corpora lutea by five days after stimulation. Results are consistent with the pattern of sudden increase and sustained release of LH observed in other sheep breeds, particularly the Merino.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Animal Reproduction Science - Volume 103, Issues 1â2, 15 January 2008, Pages 172-178
Journal: Animal Reproduction Science - Volume 103, Issues 1â2, 15 January 2008, Pages 172-178
نویسندگان
J. FerrerÃa, R.M. RodrÃguez Iglesias, D.A. Pevsner, M.A. Aba, M.M. RodrÃguez, J.R. Pedrueza,