Tips to stimulate gilts and sows coming into heat
In a series of articles, swine reproduction and insemination specialist, Javier Gil Pascual, addresses the key aspects of oestrus stimulation and detection, and insemination.
Acclimation strategies in gilts to control Mycoplasma hyopneumoniae: what strategies can we use?
Exposure methods: natural, intranasal, intra-tracheal, aerosol or vaccination.
60% of 333 users believe that semen doses rotation is useful, but is it really?
Some routines are widely used on the daily work of pig farms and we can even think that there is some good logic behind them, but have they been scientifically tested?
Which route of exposure is best for Mycoplasma hyopneumoniae gilt acclimation?
Intranasal and intratracheal inoculation routes as well as aerosolization with foggers are discussed.
Serotyping of Actinobacillus pleuropneumoniae field isolates by PCR
A newly produced PCR-based test can help assigning all known App serotypes, which can be used to select the most appropriate vaccine.
Are we ready to recognize African Swine Fever in the field?
Depending on the virulence of the strain and the route of exposure, the disease may have four different presentations and early detection can be a challenge due to the lack of specific clinical signs.
Cases of reproductive failure around mating: as real as life itself
Management of dead semen, data analysis, vaccinations,... These are some examples that we will deal with in the following 6 case studies.
Fecal transplantation and prevention of porcine circovirus associated disease
The gut microbiome provides an alternative tool for control and prevention of diseases.
Advances in artificial insemination in nulliparous sows
The morphological differences in the cervical wall and canal between multiparous and nulliparous sows require deep AI devices adapted to the characteristics of the nulliparous.
Optimal on-farm semen doses management: key points to control
Occasionally, breeders end up using semen with a suboptimal fertilizing ability due to inadequate storage conditions.
Preparing the gilts: production
We talk about weight and age at mating, stall adaptation, flushing, how to perform heat detection and insemination, the convenience or inconvenience of segregating the gilts
Preparing the gilt: Health aspects
Joan Aparicio and Lluís Ferrer share their experience on how to prepare the replacement animals with Joan Wennberg.
Replacement acclimation practices for Mycoplasma hyopneumoniae used in Europe
Gilt acclimation was performed in 78% surveyed European farms; vaccination, alone or combined with natural exposure to infected animals, was the main used strategy.
Key points for the elimination of M. hyopneumoniae
Three factors must be taken into account when defining the viability of the elimination of M. hyopneumoniae on each farm: negative replacements, cost and return on investment, and risk of re-infection.
Controlling Mycoplasma hyopneumoniae infections in the field
No single strategy will confer total protection. A well-orchestrated combination of various methods adjusted to a single production unit or system will be needed.
Internal biosecurity: The enemy at home
Frequently, diseases become established on a farm because we culture them.
The five most common biosecurity mistakes
Curiously, when I started to think about it, what I had considered as my number one mistake for most of my professional life became the fifth in importance.
The importance of water measurement in swine production
Understanding water consumption and knowing the factors that can affect it, are important points in animal production and health.
Control points in the preparation of semen doses: sperm concentration (2/2)
This second part on AI stud management reviews the procedure for calculating sperm concentration and the elements that affect a correct assessment.
Control points in the preparation of semen doses: temperature control and quality parameters (1/2)
The impact of semen used for post-cervical AI is 2-3 times bigger than that used to produce cervical insemination doses; therefore, preparation of the doses should follow an even stricter control program.
Practical tips to induce heat in gilts and sows
Boar exposure time, duration and frequency, proper boar: gilt or sow ratio, exposure methods, hormones, …
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