Page 27 of articles about genetics-reproduction

Effects of betaine and heat stress on lactation and postweaning reproductive performance of sows

This study was conducted to evaluate the underlying physiological changes during heat stress and the effect of betaine supplementation in lactating sows.

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HealthAbstract

Two commercial Type 1 PRRSV-modified live vaccines reduce seminal shedding of Type 1 PRRSV in infected boars

The results of this study provide clinical information on how to reduce seminal shedding of type 1 PRRSV in boars using type 1 PRRSV-modified live vaccine.

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We must allow for a little extra space that allows for the routine cleaning operations of the area where we will house the weaned or mated sows.

Facilities-Equipment Article

The ideal mating area: general design (1/2)

Joan Wennberg discusses with different experts how do they think that the ideal mating area design should be.

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Figures 5. Breakdown of returns of sows transitioning to a weekly farrowing.

Genetics-ReproductionArticle

Clinical case: Increase of returns: Management or PRRS?

Returns increase in a PRRS-positive farm in the middle of a census increase plus a change of management in the batch farrowing system, from 3 weeks to 1.

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Genetics-ReproductionPress releases

Danbred launches Dutch subsidiary

The establishment of DanBred B.V. will ensure the continuous supply of DanBred breeding animals and genetics to the Dutch market.

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HealthPress releases

Iowa Pork Industry Center leads industry-wide collaboration to address sow mortality

Iowa Pork Industry Center at Iowa State University is leading an industry wide research effort on identifying specific factors leading to pelvic organ prolapses contributing to the higher mortality rate.

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Genetics-ReproductionPress releases

40 million pigs in Topigs Norsvin’s breeding database Pigbase

Pigbase contains pig data gathered at nucleus farms, commercial farms, and slaughterhouses.

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Genetics-ReproductionAbstract

Combination of oviduct fluid and heparin to improve monospermic zygotes production during porcine in vitro fertilization

The present study was designed to evaluate the effect of porcine oocytes exposure to oviduct fluid before in vitro fertilization, during in vitro fertilization and during in vitro fertilization in combination with heparin.

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Photo 1. Difference of lighting in gestation barn before and after the installation of an extra lighting system.

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Facilities-Equipment Article

The importance of lighting in your farm

One of the main tools to encourage the installation of extra lighting in the mating area is the data analysis, and more specifically the weaning-to-service interval.

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Genetics-ReproductionAbstract

A comparative study of the effects of Escherichia coli and Clostridium perfringens upon boar semen preserved in liquid storage

The effects of infection by E. coli were dependent of both bacterial load and storage period, whereas the effects of C. perfringens were mainly dependent on the bacterial load.

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Genetics-ReproductionAbstract

Age and seasonal-dependent variations in the biochemical composition of boar semen

Age- and seasonal-related variations affect the reproductive tract functions in the boar.

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Genetics-ReproductionPress releases

Hypor Libra*: Greater gains with less labor

The expression “time is money” is especially true for pork producers, because time and money are the two things that are always in short supply; or at least, they used to be.

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Genetics-ReproductionPress releases

Topigs Norsvin implements PRRS resistance in breeding value estimation

Topigs Norsvin has recently implemented selection for increased natural resistance to PRRS by using the WUR SNP in breeding value estimation.

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NutritionAbstract

Increase of dietary lysine levels in lactation diets on sow and litter performance

Increasing SID lysine levels in lactation diets may reduce tissue mobilisation of the sow while litter weight gain during lactation is improved.

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Genetics-ReproductionPress releases

Hypor Libra* raises interest, lowers feed costs

As the world’s most “prolificient” sow - the sum of prolific and efficient – the Libra* balances traits in feed conversion and mothering ability to lower the feed cost per pig.

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Genetics-ReproductionAbstract

Fusion of boar sperm with nanoliposomes prepared from synthetic phospholipids

This study used flow cytometry to demonstrate stable incorporation of nanoliposomes prepared from a complex mixture of various phospholipids.