Results 51 to 60 of about 550 (157)

Avanços metodológicos na seleção do sexo de espermatozóides bovinos para utilização no melhoramento genético e na produção animal Methodological advances on spermatozoa sexing for using in genetic improvement and animal production

Revista Brasileira de Zootecnia, 2007
O mercado demanda, desde final da década de 20, uma tecnologia para a sexagem de espermatozóides que possa ser inserida na indústria de produção de sêmen congelado e que tenha as seguintes características: a) não altere a viabilidade espermática; b) seja
Vera Fernanda Martins Hossepian de Lima
doaj   +1 more source

A dual colour FISH method for routine validation of sexed Bos taurus semen

BMC Veterinary Research, 2019
Background Usage of sexed semen that allows to choose the gender of the calves, is commonly practiced in livestock industry as a profitable breeding alternative, especially in dairy farming.
Olavi Reinsalu, Ott Scheler, Ruth Mikelsaar, Aavo-Valdur Mikelsaar, Triin Hallap, Ülle Jaakma, Peeter Padrik, Ants Kavak, Andres Salumets, Ants Kurg   +9 more
doaj   +1 more source

Optimizing sperm sexing in Bali cattle: Effects of separation time and bull age on BSA gradient efficiency

Open Veterinary Journal
Background: Sperm sexing is an important biotechnology to increase reproductive efficiency by aligning offspring sex with production goals. For Bali cattle (Bos javanicus), a native Indonesian breed with high genetic and cultural value, sexed semen also
Yendraliza Yendraliza, Muhamad Rodiallah, Jaswandi Jaswandi   +2 more
doaj   +1 more source

Determination of male-specific gene expression of White Lamphun cattle semen treated by monoclonal antibodies

Indian Journal of Animal Sciences, 2016
In the present study, male-specific monoclonal antibodies, P1C2B8 and P1C2C9, were used for sperm sexing via agglutination and cytotoxic reactions in White Lamphun cattle semen no. 862, no. 863 and no. KL.
SIRIKRON DUMRONGSRI, T KHAMLOR, P PONGPIACHAN, K SRINGARM   +3 more
doaj   +1 more source

Intensified use of TAI and sexed semen on commercial farms

Animal Reproduction, 2018
The livestock sector has achieved many technological advances, which have resulted in continued improvements in animal production systems and in the reproductive efficiency of herds. The associated use of reproductive biotechnology and genetic improvements combined with adequate sanitary and nutritional management are essential conditions for ...
Marques, Márcio de Oliveira, Morotti, Fábio, Lorenzetti, Elis, Bizarro-Silva, Camila, Seneda, Marcelo Marcondes   +4 more
openaire   +2 more sources

TAXA DE PRENHEZ EM NOVILHAS INSEMINADAS COM SÊMEN DE TOUROS DA RAÇA NELORE SEXADOS POR CITOMETRIA DE FLUXO PREGNANCY RATES IN HEIFERS INSEMINATED WITH SEMEN OF NELORE BULLS SEXED BY FLOW CYTOMETRY

Ciência Animal Brasileira, 2007
<p>A citometria de fluxo é considerada a técnica de sexagem de sêmen mais promissora, em virtude de a acui-dade de separação estar em torno de 90%.
Rossana Vilela Resende Franco, Marcelo Tavares, Mara Regina Bueno Mattos Nascimento, Elmo Gomes Diniz, Adriana Mendes Duarte   +4 more
doaj  

Sex Semen: The Next Frontier

Sexed semen technology has the potential to expand animal breeding, providing control over the sex of offspring and advanced transforming genetics. Embracing innovative technologies of sex semen like flow cytometry and microfluidics by farmers helps in separating sperm cells based on sex chromosomes, enabling the preferential production of male or ...
openaire   +2 more sources

Success Rate of Pregnancy and Gender Accuracy as The Result of Artificial Insemination by Using Froozen Semen Sexing on Ongole Hybrid Cattle

Animal Production: Indonesian Journal of Animal Production, 2005
This research is meant to recognize the difference among pregnancy rate, service per-conseption (S/C) and pregnancy rate of the first Artificial Insemination  or conseption rate (CR) and also calf sex accuracy which is born from Ongole hybrid cattle (PO)
T Susilawati
doaj  

Reproductive performance of sexed versus conventional semen in Holstein heifers in various semiarid regions of Iran

Italian Journal of Animal Science, 2017
For comparing reproductive performance of sexed versus conventional semen a total of 3573 heifer insemination records collected from five herds in four provinces of Iran were investigated.
Sahereh Joezy-Shekalgorabi, Ali Maghsoudi, Mohammad Reza Mansourian   +2 more
doaj   +1 more source

Keberhasilan IB menggunakan semen beku hasil sexing dengan metode sentrifugasi gradien densitas percoll (SGDP) pada sapi Peranakan Ongole (PO)

Jurnal Ilmu-Ilmu Peternakan, 2014
The purpose of this study was to evaluate the implementation of Artificial Insemination using sexed frozen semen processed with percol density gradient sentrifugation method on service per conception (S/C), Non Return Rate (NRR) and Conception Rate (CR ...
Moh Thoriq Fernanda, Trinil Susilawati, Nurul Isnaini   +2 more
doaj