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Animal Science Database

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Abstract

The frequency of insemination in hens affects the costs associated with artificial insemination in poultry. A reduced frequency implies a larger insemination interval and therefore a reduction in costs. The objective of the study was therefore to assess the effect of insemination intervals on...

Author(s)
Adebisi, K. A.; Ewuola, E. O.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2019, 31, 6, pp Article 87
Abstract

Guinea fowl hens were inseminated weekly once with two doses of spermatozoa (75 million and 100 million) in two different diluents, Beltsville poultry semen extender (BPSE), and Instruments for Veterinary Medicine (IMV), each with and without pre-insemination vaginal douching. Per cent fertility,...

Author(s)
Hudson, G. H.; Omprakash, A. V.; Premavalli, K.; Raj, G. D.
Publisher
Taylor & Francis, Abingdon, UK
Citation
British Poultry Science, 2017, 58, 2, pp 192-199
AbstractFull Text

Morphological characteristics of turkey Meleagris gallopavo semen were recorded and hatchability percentages of the artificially inseminated hens were assessed. To study the effect of natural mating on hatchability 15 (3♂, 12♀) M. gallopavo were randomly selected, were kept separately and were...

Author(s)
Irfan; Arshad Javid; Muhammad Ashraf; Athar Mahmud; Muhammad Altaf; Hussain, S. M.; Muhammad Shahbaz; Iqbal, K. J.
Publisher
Zoological Society of Pakistan, Lahore, Pakistan
Citation
Pakistan Journal of Zoology, 2018, 50, 2, pp 763-766
Abstract

Artificial insemination made a predominant contribution towards the improvement of genetic potential and increased productivity in animal husbandry sectors. In frozen semen technology, about 50% of sperm died because of cryoinjury or cryodamage during the process of cryopreservation and thawing of...

Author(s)
Perumal, P.
Publisher
Hainan Medical University, Haikou, China
Citation
Asian Pacific Journal of Reproduction, 2018, 7, 3, pp 103-116
Abstract

Since early fertility decline is a permanent problem of broiler breeders, the aim of this study was to test the effects of various sex ratios, spiking strategies and additional artificial inseminations (AI) on their breeding efficiency. Six breeder flocks were analysed during the whole reproduction ...

Author(s)
Végi, B.; Váradi, É.; Szőke, Z.; Barna, J.
Publisher
Akadémiai Kiadó, Budapest, Hungary
Citation
Acta Veterinaria Hungarica, 2013, 61, 3, pp 393-404
Abstract

Lactobacillus resides in the hen's gastrointestinal tract, vagina and cloaca. When fed to hens, Lactobacillus has improved egg weight, size and shell strength. However, data from our lab suggests Lactobacillus may be detrimental to semen and possibly fertility. Therefore, the objective of this...

Author(s)
Haines, M. D.; Parker, H. M.; McDaniel, C. D.; Kiess, A. S.
Publisher
Asian Network for Scientific Information, Faisalabad, Pakistan
Citation
International Journal of Poultry Science, 2015, 14, 9, pp 541-547
Abstract

Female birds store sperm in sperm storage tubules (SSTs) in the uterovaginal junction of their reproductive tract for days or weeks (depending on species) before fertilization. Sperm are transported from the SSTs to the infundibulum where fertilization occurs immediately after ovulation of each...

Author(s)
Hemmings, N.; Birkhead, T. R.; Brillard, J. P.; Froment, P.; Briere, S.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2015, 83, 7, pp 1174-1178
Abstract

Two experiments were conducted to evaluate the new rooster semen freezing extender which is containing a low level of glycerol and soybean lecithin as an alternative protective agent in the extender. The aim of the first experiment was to evaluate a new extender for freeze-thawing rooster semen...

Author(s)
Nabi, M. M.; Kohram, H.; Zhandi, M.; Mehrabani-Yeganeh, H.; Sharideh, H.; Zare-Shahaneh, A.; Esmaili, V.
Publisher
Elsevier Inc, Orlando, USA
Citation
Cryobiology, 2016, 72, 1, pp 47-52
Abstract

A hypothesis was tested that long-term administration of thyroxine (T4) in broiler breeder hens would affect fertility, sperm penetration rate, and the duration of fertility. Relative abundance of oviductal TGF-β4 and HSP70 mRNA was determined to ascertain whether T4 treatment affected these genes, ...

Author(s)
Saemi, F.; Shahneh, A. Z.; Zhandi, M.; Akhlaghi, A.; Pirsaraei, Z. A.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2018, 198, pp 82-89
Abstract

With avian sperm cryopreservation protocols, the most widely used cryoprotectants (CPAs) are the glycerol (GLY; in gradual freezing: in-straw freezing method), and the dimethylacetamide (DMA; in pellets by plunging into liquid nitrogen: in-pellet rapid freezing method). Use of both methods results...

Author(s)
Abouelezz, F. M. K.; Sayed, M. A. M.; Santiago-Moreno, J.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2017, 184, pp 228-234

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