Results: 7

Reproduction technologies in pig farming: artificial insemination - literature review

Vet. zootec; 31 (), 2024
This summary addresses the use of reproduction technologies in swine farming, with an emphasis on artificial insemination (AI). Brazilian swine farming has been growing significantly and seeks new technologies to achieve high productive indices sustainably and competitively. Pigs present favorable charac...

Effect of refrigeration at -1°C on spermatozoa quality of domestic cats

Pesqui. vet. bras; 40 (4), 2020
The objective of this study was to evaluate the sperm quality obtained of domestic cats by electroejaculation and recovery of the tail of the epididymis after cooling at -1°C and 4°C for 24 and 48 hours. Twenty-nine adult cats (2 to 6kg) were used. Sperm collection was performed by electroejaculation (...

Efeito de protocolo hormonal e programa de luz artificial na gestação de éguas receptoras de embrião durante o período de transição de primavera

Rev. bras. ciênc. vet; 27 (2), 2020
O objetivo do estudo foi comparar o efeito das técnicas hormonais e de luz artificial nas éguas receptoras de embrião acíclicas avaliando as taxas de gestação aos 14 e 28 dias durante a fase de transição de primavera. Os 48 animais foram distribuídos aleatoriamente nos grupos: controle (CONT, n=...

Reproductive disorders in does experimentally infected by Toxoplasma gondii

Rev. bras. ciênc. vet; 26 (1), 2019
The aim of this study was to describe the reproductive disorders related to experimental infection by artificial insemination with semen contaminated with Toxoplasma gondii of four goats in the chronic phase of the infection. In the end of the study, the does were submitted to necropsy, and PCR and histo...

Interval in the replacement of in vitro culture medium affects the integrity and development of equine preantral follicles

Pesqui. vet. bras; 38 (12), 2018
The efficiency of a culture system is related to the elaboration and replacement of a medium with conditions suitable for follicular development. Recent investigations suggested that in vitro culture medium should be replaced after specific time periods in various species. However, the suitable interval ...

Recovery of sperm after epididymal refrigeration from domestic cats using ACP-117c and Tris extenders

We aimed to compare fresh sperm and sperm cooled to 4ºC that had been recovered from the epididymides of cats using powdered coconut water (ACP-117c) and Tris extenders. Sixty epididymides were divided into 6 groups: 10 fresh epididymides were recovered using Tris (T0h); 10 were kept at 4°C/2h and reco...

Laparoscopic ovum pick-up in spotted paca (Cuniculus pacas)

The aim of this work is study the laparoscopic ovum pick-up (LapOPU) technique in spotted paca, describing surgery details, complications and oocyte recovery rate. Nine healthy adult non-pregnant captive females were used, in a total of 39 procedures. When the surgical plane of anaesthesia was achieved, ...