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Abstract

The study of reproductive physiology in domestic ruminants has progressed from the whole animal to the molecular level in an amazingly short period of time. The volume of information on this subject is enormous; therefore, we have focused on domestic ruminants, with an emphasis on cattle. To date, ...

Author(s)
Smith, M. F.; Geisert, R. D.; Parrish, J. J.
Publisher
Oxford University Press, Cary, USA
Citation
Journal of Animal Science, 2018, 96, 7, pp 2952-2970
Abstract

Mitigating heat stress (HS) in swine production is important as it detrimentally affects multiple aspects of overall animal production efficiency. Study objectives were to determine if gilts characterized as tolerant (TOL) or susceptible (SUS) in response to HS maintain that phenotype later in life ...

Author(s)
Graves, K. L.; Seibert, J. T.; Keating, A. F.; Baumgard, L. H.; Ross, J. W.
Publisher
Oxford University Press, Cary, USA
Citation
Journal of Animal Science, 2018, 96, 6, pp 2419-2426
Abstract

The fertile period for natural mating in dogs extends from before ovulation until day 5 post ovulation (PO) and involves a delay in oocyte maturation until 2-3 days PO and viability of secondary oocytes for 48-60 h or more. Spermatozoa do not enter the uterus after vaginal insemination in late...

Author(s)
Tsutsui, T.; Takahashi, F.; Hori, T.; Kawakami, E.; Concannon, P. W.
Publisher
Blackwell Publishing, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2009, 44, s2, pp 230-233
AbstractFull Text

This study aims to evaluate the suitability of sonography for prediction of postpartum fertility and to find out the effects of PRID (Progesterone-Releasing-Intravaginal Device; 1,55 g progesterone and 10 mg oestradiol benzoat) on fertility parameters of cows in late postpartum. 30 healthy Holstein ...

Author(s)
Bulut, G.
Publisher
Hayvancılık Merkez Araștırma Enstitüsü Müdürlüğü, Ankara, Turkey
Citation
Lalahan Hayvancılık Araștırma Enstitüsü Dergisi, 2012, 52, 2, pp 1-14
Abstract

The objectives of this study were to determine the efficacy of GnRH and PGF for inducing early Postpartum (PP) estrual activity, hastening uterine involution and enhancing ovulation synchronization in lactating dairy cows. About 40 Holstein and Jersey cows were assigned at calving to 1 of 3...

Author(s)
Tucker, A. L.; Sanchez, H. L.; Tucker, W. B.; Williams, A.; Fuquay, J. W.; Willard, S. T.; Ryan, P. L.
Publisher
Medwell Online, Faisalabad, Pakistan
Citation
Journal of Animal and Veterinary Advances, 2011, 10, 7, pp 900-908
Abstract

The aim of this study was to investigate the number of spermatozoa in the crypts of the utero-tubal junction (UTJ) and the oviduct of sows approximately 24 h after intrauterine insemination (IUI) and deep intrauterine insemination (DIUI) and compared with that of conventional artificial ...

Author(s)
Tummaruk, P.; Tienthai, P.
Publisher
Blackwell Publishing, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2010, 45, 2, pp 208-213
Abstract

The incidence of repeat breeding in buffaloes was assessed when they were presented for artificial insemination (Al) during the breeding season at 3 villages of Anand district in Gujarat (12.18%). Out of the 1012 buffaloes studied, 55 were normal breeders and 164 were repeat breeders. Majority...

Author(s)
Shivkumar Sharma; Dhami, A. J.
Publisher
Indian Journal of Field Veterinarians, Academa Publishers, Indore, India
Citation
Indian Journal of Field Veterinarians, 2008, 3, 4, pp 1-4
Abstract

Horses are long-day breeders. During the breeding season, cycle length is about 22 days with 5-7 days of oestrus. Gonadotroph cells are localized in the pars distalis as well the pars tuberalis of the pituitary and heterogeneity in the pattern of LH and FSH storage within the gonadotroph population ...

Author(s)
Aurich, C.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Reproduction Science, 2011, 124, 3/4, pp 220-228
Abstract

The aim of this study is to evaluate oestrus symptoms by point system and to verify its relationship with milk production parameters. Dams of dairy (306 evaluations) and dual-purpose type (499 evaluations) were evaluated during 1997-99. External oestrus symptoms and contractibility of uterus (1-3...

Author(s)
Zedníková, J.; Maršálek, M.; Frelich, J.
Publisher
Jihočeská Univerzita v Českých Budějovicích Zemědělská Fakulta, České Budějovice, Czech Republic
Citation
Collection of Scientific Papers, Faculty of Agriculture in České Budějovice. Series for Animal Sciences, 1999, 16, 1, pp 99-109
Abstract

The time intervals between calving and occurrence of uterine involution, ovulation, oestrus and conception were determined in 25 multiparous Aberdeen-Angus cows that had been artificially inseminated. The cows were allotted to 1 control group, and to 6 treatment groups as follows: (1) bilateral...

Author(s)
OXENREIDER, S. L.
Citation
American Journal of Veterinary Research, 1968, 29, pp 2099-2102

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