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, …
Prevention of the disease caused by Actinobacillus pleuropneumoniae (App)
This article explains the main preventive measures against App, focusing on the use of antimicrobials and vaccines.
Diagnosis of the infection caused by App
This article is about the diagnosis of the infection caused by Actinobacillus pleuropneumoniae (App) in acute, chronic or subclinical cases.
NPD: An invisible component for herd productivity
We recommend that producers pay more attention to gilts and sows that are at risk of increasing NPD. Situations of increased risk are described.
Strategic value of boar studs in production systems
Production of a minimum number of doses to maintain profitability and the increase in post-cervical insemination leads to an increase of the doses produced per boar and, therefore, their share of responsibility in the production process.
Use of altrenogest on pig farm
The shorter and lower dose regime saves money but there is an increased risk of follicular cyst development, which may occur at doses below 13mg/day.
Economic impact of post-cervical insemination on a farm
Introduction of post-cervical insemination has a very significant economic impact on the whole of the pork industry, and is a challenge of parallel magnitude to that raised by the transition from natural service to artificial insemination.
Control of oestrus in problem gilts and sows
Meeting batch breeding targets requires availability of enough service-ready weaned sows and gilts.
Control of Actinobacillus pleuropneumoniae (II): chronic infection
It has not proved possible to actively eliminate App from chronically affected permanently occupied breeder-feeder herds.
Control of Actinobacillus pleuropneumoniae (I): Acute outbreak
This paper describes the acute outbreak of App within a pig population and how control may be achieved.
Replacements adaptation in Mycoplasma hyopneumoniae control
Gilts are the population most likely to excrete M. hyo during lactation because they will probably have become infected within 200 days prior to their first farrowing.
Exposure to oral fluid in PRRS gilt acclimation
The method is based on oral fluid collection from the groups of viraemic pigs by means of cotton ropes that will be hung in the incoming gilts pens.
Evaluation of pneumonia lesions at the abattoir with the lung score assessment
The economic evaluation of each assessment allows the producer to quantify the economic impact of pneumonia.
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