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Robert E. Taylor Memorial Symposium Applied Reproductive
McKenzie et al., (1934) published a preliminary report on reproduction in ... Understanding the estrous cycle and postpartum interval of cattle. Estrous cycle ... Luteotropic. Casida et al., (1943) reported that intravenous injection of sheep pituitary extract ..... Note that estrus observations begin before PGF2α since some cows ...

Walter Heape, FRS: a pioneer in reproductive biology. Centenary of
Keywords: Heape; embryo transfer; primate; oestrous cycle. Introduction ..... why mares, cows, or sheep, should not occasionally become pregnant without being covered a ..... Heape, W. (1890a) Preliminary note on the transplan¬ tation and ...

Proceedings - Applied Reproductive Strategies in Beef Cattle
Jan 28, 2010 ... duration of estrus and estrous cycle length in sheep. McKenzie et al., (1934) published a preliminary report on reproduction in the ewe. ...... Note that estrus observations begin before PGF2α since some cows return to estrus ...

Full Text (PDF) - American Society of Animal Science
Dec 5, 2014 ... regarding duration of estrus and estrous cycle length in sheep. McKenzie ... ( 1934) published a preliminary ...... Note that estrous observations.

Reproductive cycles of the domestic bitch
Please cite this article in press as: Concannon, P.W., Reproductive cycles of the domestic bitch. Anim. .... Notes: LH (luteinizing hormone); d = day(s); Day (day of cycle relative to Day-0 LH surge); NP = nonpregnant; PRL ..... leled estradiol levels in a preliminary study (Concannon, ... In bitches as in sheep, increasing estra-.

adametz, l - Food and Agriculture Organization of the United Nations
BARR, A.M. Preliminary studies on the oestrus cycle phenomena of the .... AL- SHABIBI, M. A note on the composition and properties of Awassi sheep milk. Egypt ...

I. Oestrus cycle. .... Bradford, G.E. 1983 A note on characteristics of hair sheep in Senegal. ..... research station (Preliminary information) (Technical Note N° 3).

When a foreign body is placed in the uterus a variety of - NCBI
oestrous cycle of guinea-pigs, cows and sheep is shortened and remains of reduced length ... two glass beads were present in each horn of the uterus the oestrous cycle ... Some preliminary findings ..... Note that the corpora lutea in the experi-.

The Biology and Life History of Monoecocestus Beddard, 1914 - JStor
reported that Moniezia expansa, from sheep, was capable of utilizing ... cussed the taxonomy of porcupine cestodes and gave a preliminary note on the life cycle . Joyeux and Baer (1945) determined the life cycle of Catenotaenia pusilla, ..... matic representation of female reproductive structures in a mature proglottid, viewed ...

Influence of 2-Br-α-ergocryptine on Serum Levels of Prolactin and
of Prolactin and the Estrous Cycle in Sheep. G. D. NlSWENDER ... ABSTRACT. In a preliminary study 1 mg per .... NOTES AND COMMENTS. 613 those in ...

Jul 3, 1970 ... SHEEP. T. C.SMEATON and H. A. ROBERTSON. Animal Research Institute, Ottawa, Canada. {Received 3rd ... The growth of ovarian follicles during the oestrous cycle has been studied in ... Preliminary experiments were carried out with three ewes to test the .... Note that the progesterone levels dropped.

Received 2Mb J - Reproduction
oestrous cycle independently of changes in other luminal fluid proteins ..... species, e.g. for sheep (see Table 4), since preliminary tests indicated the volumes .... Lutwak-Mann, C. (1953) Note on the chemical composition of bovine follicular ...

Control of Larvae of Oestrus ovis in Sheep with Systemic - JStor
The three larval instars of Oestrus ovis L., the sheep botfly ... In preliminary tests, yearling sheep naturall infested with 0. ovis were ..... Notes on the biology of. Oestrus ovis L. U. S. ... observations on the life cycle and incidence of the sheep bot ...

NOTES. EFFECT OF DOSE OF PREGNANT MARES' SERT]M ... The estrous cycle in sheep can be con- trolled by ... Preliminary studies indicated that an intra -.

The history of artificial insemination: Selected notes and notables
species briefly included are swine, horses, sheep, goats, dogs, rabbits ... control of the estrous cycle in the female also were important. ... sheep and cattle breeding. He did not ..... (Amann et al., 1999) provided preliminary support for a peptide ...

Reproductive performance of commercial sheep flocks in South
Mar 23, 1982 ... from joining to tailing in sheep flocks on 21 farms between ... a preliminary to the main study, a flock of ewes on each of 5 ..... the oestrous cycle precedjng mating. ... Barton, R. A. 1949: A note on sex ratios in a Romney Marsh.

Photoperiodic Synchronization of a Circannual Reproductive
was conducted to identify which portions of the photoperiodic cycle are utilized for ... cues that synchronize the circannual rhythm of reproductive neuroendocrine activity in the ewe. ... 'A preliminary report has appeared in Biol Reprod 1990; 42 (Suppl. ... dominantly Suffolk ewes maintained at the Sheep Research.

Advances in ultrasonography and its applications in domestic
Mar 6, 2010 ... The probe is moved across the reproductive tract in a thorough and systemic manner. ... a mid-cycle CL is a well defined granular, greyish echogenic structure with a ... using a 5 MHz transabdominal transducer (note that the heart (H) appears as .... Detection of pregnancy in sheep by means of ultrasound.

Differences in reproductive efficiency between female sheep of the
Jan 1, 2001 ... sheep of the Queue Fine de l'Ouest purebreed and their first cross with the D'Man ... of age, the percentages of ewe lambs cycling as indicated by the presence of corpora lutea were 91.6 and 20.0% for the .... preliminary attempt to assess differences in ..... [9] Forcada J., Abecia J.A., Zarazaga L., A note on.

estrous cycle (Pierson and Ginther, 1987a), predicting the stage of the estrous .... Beal et al., 1992; Lamb et al., 1997) and dairy (Smith and Stevenson, 1995; Vasconcelos et al., ..... linear-array real-time ultrasound scanning: a preliminary note.

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