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Page 48 of articles about genetics-reproduction

Hyaluronic acid in the female reproductive tract of the pig

Early embryo development requires a dynamic and active uterine environment tailored to the requirements of each embryonic stage. The development of asynchrony between the embryo and uterine environment during embryo transfer has been directly linked with both embryonic loss and abnormal development. Hyaluronic Acid (HA), has been implicated as an important factor in porcine embryo development in vitro, but little data exists on the concentrations of this glycoaminoglycan in the porcine female reproductive tract and its potential application in embryo transfer procedures.

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NutritionArticle

Factors that influence feed consumption and its conversion in fattening pigs

Genetic selection over the last few decades has resulted in pigs with better feed conversion and leaner carcasses, but it has also led to pigs with a decreased ingestion capacity.

Welfare of sows

The new test on animal welfare in swine herds will demonstrate your knowledge on the welfare of sows.

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Effect of dose of equine chorionic gonadotrophin on the estrus responses of gilts and weaned sows and effect of the interval between equine chorionic gonadotrophin and luteinizing hormone injections on sow performance

Objectives: To determine estrus and ovulation responses of gilts and sows to different doses of equine chorionic gonadotrophin (eCG), with different intervals between eCG and luteinizing hormone (pLH) injections.

Productively feeding us and them

Delivering the keynote address, ‘The Modern Pork Industry – Breakthroughs and Future Opportunities’, Dr Roger Campbell, CEO of Australia’s Pork Cooperative Research Centre (CRC), told a Zinpro symposium in Minneapolis, Minnesota, USA, that the US pork industry, like Australia’s, needed to innovate around social and welfare issues.

European Union - EFSA: Update on the state of play of animal cloning

The present statement follows the EFSA 2009 statement and EFSA 2008 scientific opinion and is based on a review of identified peer reviewed scientific literature up to 1 July 2010, information made available to EFSA following a call for data, discussion with experts in the field of animal cloning and a peer review by external experts. The focus of the statement has been to evaluate information related to aspects of food safety, health and welfare of animal clones and their offspring.

United Kingdom - English breeding herd increases, fattening pigs decreases

In 2010 the number of breeding pigs increased by 1.4% to 427 thousand. The number of fattening pigs decreased by 2% to 3.2 million leading to an overall reduction of 1.6% in the total number of pigs.

USA - USDA proposes to amend Livestock Exportation Regulations

The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) is proposing to amend the livestock exportation regulations to eliminate pre-export tuberculosis and brucellosis testing for goats and breeding swine if the receiving country does not require such testing.

Capacitation status of stored boar spermatozoa is related to litter size of sows

Capacitation status as measured by CTC staining is a useful predictor of sperm fertility, equivalent to SPA. Moreover, original capacitation status exhibited better predictive ability for small litters than for large ones. Therefore, subfertile boars can be identified primarily by capacitation status

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Philippines - BAI look into commercial profit of raising native pigs

To conserve and maximize the potential of expanding the native pigs ("lechon") market, the Bureau of Animal Industry-National Swine and Poultry Research and Development Center (BAI-NSPRDC) based in Tiaong, Quezon conducted a study on the “Conservation, Evaluation and Commercialization of the Philippine Native Pigs”. This was funded and supported by the Bureau of Agricultural Research (BAR) under its banner program, the National Technology Commercialization Program (NTCP). The two-year project is led by Dr. Rene C. Santiago, DVM, also the agricultural center chief of BAI-NSPRDC. Project implementation called for collaborations with the local government units (LGUs) of Quezon and selected farmer-cooperators in Laguna and Quezon.

A question of feed conversion

Pig farmers need to know whether boars have been individually tested for feed conversion and whether they have an EBV (Estimated Breeding Value) for this trait

Genetic resistance to PRRS

There is sufficient genetic variation in host response to infection to allow future breeding goals for enhanced resistance or tolerance so that there are grounds to believe that it may be possible to breed commercial animals that have increased genetic resistance or tolerance to the disease.

European Union - Commission Decision laying down model health certificates for trade within the Union in ova and embryos of animals of the porcine species

Commission Decision of 26 August 2010 laying down model health certificates for trade within the Union in semen, ova and embryos of animals of the equine, ovine and caprine species and in ova and embryos of animals of the porcine species.

Thompson’s tip: Light up for fertility

As day length shortens, many producers notice a fall in sow productivity, with increased returns to service

maternidad

ManagementArticle

Farrowing programming III

Next we will consider some aspects that can be taken into account in order to adjust the day to induce farrowing.

Virtual boar winner

Winner of ACMC’s ‘virtual boar’ competition at the British Pig and Poultry Fair is H F Hart Ltd, Homeleaze Farm, Gloucestershire. They win £1,000 worth of semen for their 450-sow breeding and finishing herd.