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Animal Science Database

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Abstract

The aim of the present study was the establishment of an effective protocol for cryopreservation of psittacine semen. Therefore, pooled semen samples of 30 cockatiels (Nymphicus hollandicus) were diluted with modified Lake diluent (1:4), partitioned into four equal parts. Three portions were mixed...

Author(s)
Schneider, H.; Fischer, D.; Failing, K.; Ehling, C.; Meinecke-Tillmann, S.; Wehrend, A.; Lierz, M.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2018, 110, pp 8-17
Abstract

The Spix's macaw (Cyanopsitta spixii) is the rarest parrot on earth. The remaining captive population consists of 79 individuals. Captive propagation is ongoing to increase the number of individuals for future reintroduction back into the wild. Unfortunately, from 2004 to 2012, only 33 chicks...

Author(s)
Fischer, D.; Neumann, D.; Purchase, C.; Bouts, T.; Meinecke-Tillmann, S.; Wehrend, A.; Lierz, M.
Publisher
Wiley-Blackwell, Hoboken, USA
Citation
Zoo Biology, 2014, 33, 3, pp 234-244
Abstract

The success of artificial breeding program depends largely on the reproductive performance of males. Male performance can vary with season and age impacting on quality and quantity of semen collected for artificial insemination purposes and therefore fertility of inseminated females. We examined...

Author(s)
Bonato, M.; Malecki, I. A.; Rybnik-Trzaskowska, P. K.; Cornwallis, C. K.; Cloete, S. W. P.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2014, 151, 1/2, pp 49-55
Abstract

The purpose of this study was to evaluate the effects of dietary n-3:n-6 fatty acid (FA) ratios and vitamin E (vitE) on the semen quality, FA composition, hormonal responses, and reproductive performance of aged roosters. Thirty-six Ross broiler breeder roosters were assigned to a 3×2 factorial...

Author(s)
Asl, R. S.; Shariatmadari, F.; Sharafi, M.; Torshizi, M. A. K.; Shahverdi, A.
Publisher
Oxford University Press, Oxford, UK
Citation
Poultry Science, 2018, 97, 11, pp 4113-4121
Abstract

The study aimed to evaluate the reproductive traits in poultry breeder with different weight ranges of two semi-heavy lineages. The experimental method was completely randomized design in factorial arrangement (3×2) with two factors: reproductive methods (artificial insemination and natural mating) ...

Author(s)
Rufino, J. P. F.; Cruz, F. G. G.; Melo, R. D.; Feijo, J. da C.; Silva, R. O. da; Brandao, A. B. T.; Berenchtein, B.
Publisher
Asian Network for Scientific Information, Faisalabad, Pakistan
Citation
International Journal of Poultry Science, 2015, 14, 6, pp 325-330
Abstract

The ability to produce viable progeny is a complex trait, involving both male and female components. In poultry, mating ratios are usually 1 male to 6 to 12 females. Consequently, the impact of male reproductive failure is much greater than that for a female. In this study, the genetic...

Author(s)
Wolc, A.; Arango, J.; Settar, P.; Fulton, J. E.; O'Sullivan, N. P.; Dekkers, J. C. M.
Publisher
Oxford University Press, Oxford, UK
Citation
Poultry Science, 2019, 98, 7, pp 2729-2733
Abstract

Currently most breeds and lines of geese in use at a commercial scale are derived from two wild species; the swan goose (Anser cygnoides L.) and the true goose-greylag (Anser anser L.). Interestingly, local selections performed for centuries from these two ancestors have resulted in strains or...

Author(s)
Łukaszewicz, E.
Publisher
Cambridge University Press, Cambridge, UK
Citation
World's Poultry Science Journal, 2010, 66, 4, pp 647-658
Abstract

Over the past decades, scientists endeavored to comprehend oxidative stress in poultry spermatozoa and its relationship with fertilizing ability, lipid peroxidation (LPO), free-radical scavenging systems, and antioxidant therapy. Although considerable progress has been made, further improvement is...

Author(s)
Rui, B. R.; Shibuya, F. Y.; Kawaoku, A. J. T.; Losano, J. D. A.; Angrimani, D. S. R.; Dalmazzo, A.; Nichi, M.; Pereira, R. J. G.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2017, 90, pp 11-19
Abstract

This study was designed to evaluate orally administrated Letrozole (Lz) on reproductive performance, plasma testosterone and estradiol concentrations and relative abundance of mRNA of GnRH, FSH and LH in roosters. Ross 308 roosters (n=32) that were 40-weeks of age were individually housed and...

Author(s)
Ali, E. A.; Zhandi, M.; Towhidi, A.; Zaghari, M.; Ansari, M.; Najafi, M.; Deldar, H.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2017, 183, pp 110-117
Abstract

In the present study, we investigated the effect of squalene on the reproductive performance in meat-type male chicken. A total of 480 meat-type males, which were 72 weeks old with body weight of 6.0±0.5 kg were assigned randomly and equally to 4 groups in two independental experiments which...

Author(s)
Li ShiJun; Liang ZhenHua; Wang Cui; Feng YanPing; Peng XiuLi; Gong YanZhang
Publisher
Medwell Online, Faisalabad, Pakistan
Citation
Journal of Animal and Veterinary Advances, 2010, 9, 3, pp 486-490

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