Page 45 of articles about genetics-reproduction

Effect of site of sperm deposition on fertility when sows are inseminated with aged semen

In the present study, intrauterine deposition of sperm did allow maintenance of farrowing rate, but did not ameliorate the adverse effect of inseminating aged sperm on litter size.

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HealthArticle

Clinical case: Abortion in young sows

Abortion occurred in 90% of first parity sows and in 10% of second parity sows.

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Batch 5 (yellow) enters rooms 9, 10, 1, 2 and half of room 3.

ManagementArticle

Management of farrowing objectives to achieve optimal piglet weight at weaning (II): batches every two weeks

The dispersion of matings described in the previous article is even more drastic on farms operating in bands over one week.

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Press releases

TOPIGS research: SNPs for more uniform and bigger litters found

TOPIGS researchers have found a series of SNPs that define a genetic region which explains genetic variation for litter size and uniformity between litters.

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Abstract

Stillbirth and preweaning mortality in litters of sows induced to farrow with supervision

To evaluate the benefits of induced farrowing with supervision on rates of stillbirths and preweaning mortality,a total of 159 multiparous sows were assigned in approximately equal numbers to two groups.

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ManagementArticle

Hormone management V: Using altrenogest to restore the metabolic state of weaned sows

When gilts were mated at a little more than 100 kg, productivity at 2nd parity had a huge decline and the sow was never able to reach their maximum potential.

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ManagementArticle

Replacement planning and altrenogest management using spreadsheets

In the last chapter on hormone management we looked at the advantages of “a la carte” altrenogest treatment as opposed to the 18 day treatment used to synchronize gilts.

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Abstract

Seasonal effects on oocyte developmental competence in sows experiencing pregnancy loss

The aims of this study were to determine whether WSI and season are associated with changes in oocyte developmental competence in sows experiencing early and late pregnancy loss.

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ManagementArticle

Management of hormones (IV): Using altrenogest

In this chapter the use of progesterone derivatives to modify the duration of estrus in sows is explained.

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Press releases

JSR open 900 sow joint venture in China

A lavish ceremony, attended by over 150 dignitaries, celebrated the opening of The Hubei Liangyou JSR Breeding Limited, a new Chinese joint venture between JSR Genetics and state-owned Hubei Liangyou Livestock & Poultry Company on the 18th of October, 2011.

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PorkNews

Researchers identify genetic traits in pigs to help deliver tastiest meat

Irish researchers have identified genetic traits in pigs that can be used to ensure the tastiest, healthiest pigmeat is delivered to consumers.

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Press releases

Canadian institutions partner to invest $20m in livestock genomics research

Genome Alberta announced today that it is leading a group of funding partners on two large-scale genomics projects which will help improve Canada’s livestock sector. These projects build on Genome Alberta’s Applied Livestock Genomics Program which was launched in Dec 2010.

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ManagementArticle

Farrowing Monitoring (II)

A good result in stillbirths is difficult to achieve without inducing farrowings.

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Genetics-ReproductionArticle

Clinical case: Altrenogest for the prevention of premature farrowings

The farm, with an elevated number of animals, had been experiencing for several days an increased number of births in gestation on the weekend before moving the sows to the farrowing pens. Mortality in these births was 100%.

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Abstract