Skip to main content

Author: c001os

Revealing why vaccination failed to control avian influenza

In some countries, vaccination is the most commonly used strategy to control avian influenza. However, the majority of vaccination programmes against the H9N2 avian influenza subtype have proven ineffective against infection and transmission in the field, although these vaccines were reported to work well in laboratory in specific pathogen-free (SPF) chickens.


The reason for this, according to a press release from Wageningen University & Research in the Netherlands, is that maternal-derived antibodies (MDAs) can interfere with the immune response of chickens to vaccination, which are passed on to the unborn chicks through the egg. The presence of MDAs may be one of the reasons why most vaccination programmes against avian influenza have proven ineffective in poultry in practice. This is one of the conclusions of the research on the low pathogenicity H9N2 avian influenza virus currently prevalent in China, which was the subject of Xue Pan’s PhD thesis at Wageningen University & Research.


“Our results highlight that we need to pay more attention to MDA interference of avian influenza virus vaccines in the field, rather than just looking at antigenic distance,” said Pan, adding, “It is important to develop new vaccines to overcome MDA interference in the field.” During his research, Pan has come up with some new vaccines, such as a new adjuvant for the conventional H9N2 inactivated vaccine and turkey herpesvirus vector vaccine to improve the efficacy of the vaccines. Pan has also identified several mechanisms that influence vaccine efficacy.

Christmas trees against tail biting?

Wood is an ideal enrichment material for piglets. Pig welfare expert Dr Irene Camerlink reflected on this in the pages of Pig Progress after seeing the Christmas trees thrown away in January. Pinewood, which can be obtained for free, can be a cheap alternative to buying toys and can help reduce tail-chewing.

Next to straw, wood is one of the best options for attracting and maintaining the interest of pigs. It can be investigated, manipulated, chewed and it does not matter if small pieces are swallowed. Wood is also durable, widely available, low risk from a biosecurity point of view and in many cases can be sourced locally at low cost. It can also be provided in different diameters for animals of different sexes and ages (growing piglets, sows, boars).

Wood types differ in their softness and moisture content. In one study, pigs consumed spruce posts more quickly than beech, larch or Scots pine. Soft wood therefore needs to be replaced more quickly. None of the tree species caused any internal damage (e.g. damage to the mouth, digestive tract or liver). Although spruce is favoured by pigs, it did not result in less tail chewing in two studies in Ireland (1080 pigs). However, in a Finnish study (780 pigs), where fresh wood was suspended horizontally, piglets showed less tail and ear biting. In conclusion, there is no guarantee that fresh wood reduces tail biting, but it seems to pose little risk to pigs and keeps them busy for a while.

We switched to ecodesign packaging

Agrofeed is committed to sustainable development so we place great emphasis on the use of recyclable packaging. We keep in mind in our new investments the optimal use of natural resources and the incorporation of environmentally efficient methods. In the course of our work we deal with social and economic development and environmental protection in a complex manner.

Successful exhibition in Poland

The FERMA agricultural fair in Bydgoszcz, Poland was organized by the DLG group which also organizes Eurotier. The large-scale agricultural meeting was attended by 150 exhibitors and 10,000 visitors.

Agrofeed Polska appeared with a high-end booth, where our new products and services attracted great interest. During the three days, nearly 300 people visited us about raw material trade, logistics and various animal species questions.

At the fair there were several interesting professional lectures on different areas of agriculture (feeding, animal health, husbandry technology).

With our appearance in Poland, we took another step in the positive perception of the Agrofeed brand image.

Eurotier – 100% agriculture

This week we moved to Hanover for the Eurotier World Livestock Exhibition. The event, which featured nearly 2,000 exhibitors, was visited by more than 90,000 people. Our company – with its high-quality stand – has been a continuous participant of the event for many years.

Agrofeed is a stable partner of Uzbekistan

The Ministry of Innovation and Agrofeed Ltd. signed a memorandum, in which it is laid that our company helps Uzbek livestock keepers with feed consulting and forward-looking development ideas. On behalf of Agrofeed, export manager Tamás Toperczer spoke to the local media about our company’s extensive export relations and the tasks ahead of us. In November of this year, we are going to present our latest developments at an agricultural forum.

EuroTier International Trade Fair

EuroTier International Trade Fair opens its doors again, where our company also participates with a decorative booth.

Visit us in Hannover, between November 15-17 during the professional days!
You can find our booth in hall 23, number: C27.

Association of Hungarian Simmental professional day supported by Agrofeed

Association of Hungarian Simmental, Agrofeed Kft. and DeLaval Kft. organized a joint professional day on September 21, 2022, the main topic of which was robot technology. The event was opened by Károly Rácz, the president of the association. After the morning lectures, there was an opportunity to visit the farms in Ják and Csörötnek, both farms keep Hungarian Simmental cows in a milking robot system.

Agrofeed Kft. drew attention to the importance of feeding, which can be used in practice by all colleagues working with milking robots.

Successful poultry farming

The professional journal Baromfiágazat organized its traditional autumn symposium this fall, for the 17th time. As in the previous years, more than three hundred people visited the conference.

Our company participated in the event as supporter and as exhibitor, we had several useful discussions during the day.

AIMS Symposium image report

In the second week of November, well-known representatives of the feed industry met at the AIMS (Agrofeed International Monogastric Symposium) conference in Siófok. 380 agricultural professionals from nearly 40 countries honored the event. In the framework of the event, renowned foreign and domestic keynote speakers, as well as the world’s leading, innovative manufacturers of feed supplements shared their experiences, reported on their latest experimental results, and shared their feeding suggestions.

Here is our pictorial account of the event.