Document Detail

Favoring the birth of female puppies after artificial insemination using chilled semen diluted with powdered coconut water (ACP-106c).
MedLine Citation:
PMID:  22341708     Owner:  NLM     Status:  Publisher    
The objective was to determine the effect of powdered coconut water extender (ACP-106c) on the proportion of female puppies born. Twenty French Bulldog bitches were subjected to natural mating (NM) and, during the subsequent two estrus periods, were bred by intravaginal artificial insemination (AI), using chilled semen (from the same males) diluted in Tris-egg yolk (AI-Tris) or ACP-106c (AI-ACP-106c). Fresh semen was cooled to 5 °C and maintained at that temperature for 6 h, rewarmed (37 °C for 30 s), and used for AI. Pregnancy and whelping rates following NM were both 100% and were both 90.0% following AI with either extender. Litter size (mean ± SD) was 5.4 ±1.1, 4.7 ± 2.0, and 5.1 ± 2.0 (P > 0.05) for NM, AI-Tris, and AI-ACP-106c, respectively. Furthermore, for these groups, the number of female vs. male puppies born were 2.6 ± 0.6 vs. 2.8 ± 1.0, 2.2 ± 1.0 vs. 2.5 ± 1.1, and 3.4 ± 1.6 vs. 1.8 ± 1.2 (P < 0.05 for AI-ACP-106c only). In conclusion, our hypothesis was supported; AI of semen in ACP-106c extender resulted in a significantly higher proportion of female puppies. Furthermore, this extender yielded acceptable litter size and rates of pregnancy and whelping.
Daniel Couto Uchoa; Ticiana Franco Pereira da Silva; Janaína de Fátima Saraiva Cardoso; Antônio Cavalcante Mota Filho; Ricardo Parente Jucá; Alexandre Rodrigues Silva; Lúcia Daniel Machado da Silva
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-2-14
Journal Detail:
Title:  Theriogenology     Volume:  -     ISSN:  1879-3231     ISO Abbreviation:  -     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-2-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0421510     Medline TA:  Theriogenology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Inc. All rights reserved.
Laboratory of Carnivore Reproduction, Veterinary College, State University of Ceará, Fortaleza, CE, Brazil.
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