Anoestrus upon weaning
Short weaning to service interval isn’t always a synonym for good management, since we have to take into consideration not only average number of days, but also the effect on the percentage of distribution after returns.
Page 41 of articles about genetics-reproduction
Monitoring of farrowings (IV): Control systems
It would be so nice if the sows could warn us when there are problems when they are giving birth to their piglets during labour! This seems impossible… Or maybe it is not so.
The impact of PCV2 infection on male reproductive organs of boars
The striking lesion found in the boar reproductive organs was edema of the epididymal head.
Oleate metabolism in pig enterocytes
The high esterification capacity for oleate in the newborn pig intestine preserves the major colostrum fatty acid for delivery to other tissues.
Australia: pork industry ahead on stall free move
The Australian pork industry’s voluntary move away from the use of sow stalls by 2017, is making substantial progress, with around one in three sows now spending their pregnant lives sow stall free.
JSR launch 'Faster Finishing' boar
Pig and Poultry Fair 2012 will see the launch of a keenly anticipated new Sireline, the ‘faster finishing’ JSR Geneconverter 800m Boar, by leading global pig breeders, JSR Genetics.
The imprinted gene DIO3 is a candidate gene for litter size in pigs
The results of this study indicate a possible association between the imprinted gene DIO3 and female fertility traits in pigs.
Thompson's Tip: Consider summer infertility now!
While it may seem early to be discussing summer infertility, many breeding herds on pig farms have predictable dips in fertility associated with seasonal — or unseasonal! — weather
Clinical case: Reproductive failure
There was an increase of repetitions in females (at 17-28 days, cyclic and acyclic, with a repeat rate of 22%) and mucous-like, white to brown (chocolate) vulvovaginal discharge hours after artificial insemination.
Effect of vaccination against gonadotrophin-releasing factor on growth performance, carcass, meat and fat quality of male Duroc pigs for dry-cured ham production
Under the conditions of this study Duroc pigs immunocastrated are suitable for the production
of high quality dry-cured ham.
How do we level litters after delivery? (II) To count or not to count teats, that is the question
In the previous chapter we saw how level litters by size. Now we will see how to do it by number.
Canada: Government helps swine producers boost exports
Investment of more than $1.3 million to help the Canadian Swine Exporters Association (CSEA) increase its international marketing and promotion of Canadian purebred swine genetics.
How do we level litters after delivery?
In the previous chapter we discussed the ideal time to level out litters of newborn piglets. Here's how to do it.
Effects of castration and immunization against GnRH on the immune system and the adrenocortical axis in pigs
This study aimed at understanding the effects of testicular hormones on immunity and stress reactivity in pigs.
Denmark: alternatives for reducing piglets mortality rate
The report “Piglet mortality in Denmark” published in 2010 described a number of alternatives for reducing the mortality rate. These various alternatives are also mentioned in a new report published in January 2012.