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Page 45 of articles about genetics-reproduction

1

Genetics-ReproductionArticle

Genetic defects of the skin

The most relevant genetic defects of the skin are epitheliogenesis imperfecta, pitryisis rosea and malignant melanoma. Recent data suggest an increase of the melanoma incidence in Duroc bred, incidences of 2.60% and 0.62% have been found in two Duroc nucleus herds.

Lechones de transición 1

ManagementArticle

Managing a 3-week batch system, weaning at the beginning of the week

This may be a good option when farrowings and litter control during the first days are the priority.

Luteinizing hormone secretion as influenced by age and estradiol in the prepubertal gilt

The aim of this study was to determine if there is an age related reduction in the sensitivity of the negative feedback action of 17β-estradiol (estradiol) on luteinizing hormone (LH) secretion in the prepubertal gilt.

Gestación

ManagementArticle

Managing a 3-week batch system

On small farms it is better to group tasks on specific days, leaving other days with less tasks in order to organize days off...

NutritionAbstract

Analysis of water, feed intake and performance of lactating sows

An enhanced feed and water intake during lactation may increase weaning weight of piglets and decreases relative body weight loss of sows.

Interaction of zearalenone and soybean isoflavone on the development of reproductive organs, reproductive hormones and estrogen receptor expression in prepubertal gilt

The aim of the present study was to investigate the interactive effect of zearalenone (ZEA) and soybean isoflavone (ISO) on the development of reproductive organs, reproductive hormones and estrogen receptor expression in prepubertal gilts.

Bacterial flora on the mammary gland skin of sows and in their colostrum

This is, to the authors’ knowledge, the first published study to determine the bacterial flora in skin and colostral milk samples of a limited number of sows with clinically healthy mammary glands.

World-first DNA certified programme for pigmeat will expose mislabelling culprits

The Irish Farmers’ Association has today (Wed) announced a world first ‘DNA certified’ Programme for pigmeat that will expose misleading labelling and provide a guaranteed assurance for producers and consumers on the origin of pigmeat.

TOPIGS genetics: 28.1 weaned piglets per sow per year

Pig farms with TOPIGS sows weaned an average of 28.1 piglets per sow in 2010. The top 10% of farms achieved 30.9 weaned piglets per sow per year. These conclusions are taken from the technical results of 748 Dutch farms with a total of almost 337,000 sows.

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Hernias and cryptorchidism

Hernias are the most common genetic defect and often cause welfare problems as well as economic loss.

United Kingdom - Sow numbers set to fall through 2011

The size of the British pig breeding herd may slip below 418,000 sows (from 2007's 436,000 sows), causing pig producers to face a further period of negative margins, according to market analysts at the latest Outlook conference of the Agricultural and Horticultural Development Board.

L.A Top Genetics new TOPIGS distributor for Cyprus

With the appointment of L.A Top Genetics as distributor, pig farmers on Cyprus get access to the high level genetic material of TOPIGS as well as state-of-the-art technical support from its specialists.

Dr Grant Walling to lead JSR Genetics business

Leading UK based international pig breeding company – JSR Genetics has appointed Dr Grant Walling as Managing Director, taking overall responsibility for JSR’s sales business and breed improvement programmes.

NutritionAbstract

The threonine requirement of sows increases in late gestation

Feeding a single amount of amino acids (AA) throughout gestation results in overfeeding AA in early gestation and underfeeding AA in late gestation.

PIC announces new business development in Vietnam

PIC has concluded an agreement with local agribusiness powerhouse, Greenfeed (GF), for the production and distribution of genetically advanced swine semen in Vietnam.

Canada - Sask Pork prepares to launch western Canada PRRS-Free herd certification pilot project

The Saskatchewan Pork Development Board hopes to begin testing swine herds in western Canada for PRRS-Free Herd Certification within the next few months.