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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

Artificial insemination is commonly used in breeder farms to stabilize fertility. Hens are able to store sperm for a long time and remain fertile, so that they can extend the chicken insemination interval, and thus achieve better economic benefits. In this paper, dwarf brown-shell laying hens were...

Author(s)
Li LiXia; Ning ZhongHua
Publisher
Editorial Board on China Poultry, Jiangsu, China
Citation
China Poultry, 2017, 39, 18, pp 7-10
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
Abstract

The following investigative work was carried out in the Poultry Institute of Investigations (IIA) in The Experimental Station Cacahual II (EEC.II). Located in the municipality Boyeros in Havana City. This investigation has as objective, to evaluate the behavior of the artificial insemination (I.A.) ...

Author(s)
Suárez Llanes, J.; Villa, J. R.
Publisher
Instituto de Investigaciones Avícolas, La Habana, Cuba
Citation
Revista Cubana de Ciencia Avícola, 2013, 37, 2, pp 55-64
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

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
Abstract

The objective of this study was to investigate factors related to hatching ability of Betong chicken. The 30-week-old Betong chicken was divided into 2 groups each of 10 dam and 4 sires with the same age was pooled semen. The sperm number using in artificial insemination were diluted 100 million...

Author(s)
Akaboot, P.; Chuaysakul, P.; Wannikorn, S.; Kongsuwan, S.
Publisher
Khon Kaen University, Faculty of Agriculture, Khon Kaen, Thailand
Citation
Kaen Kaset = Khon Kaen Agriculture Journal, 2019, 47, Suppl. 1, pp 853-856
Abstract

The goal of this study was to evaluate the occurrence of macrophages in rooster semen and to investigate their impact on the spermatozoa quality. Ross 308 breeder males (n=30) with no evidence of genital tract infections were used to determine the concentration of macrophages using fluorescently...

Author(s)
Kuzelova, L.; Vasicek, J.; Chrenek, P.
Publisher
Wiley-Blackwell, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2015, 50, 4, pp 580-586

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