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FARM VISIT ▶▶▶ Future-proof feeding sources


Two of the future-proof products that recent- ly went for trials at the Jansberg farm were JPC 56 and FMR Ω3, developed by Joosten Young Animal Nutrition. In 2019 trials by Illi- nois University in the US, these dietary ingre- dients scored exceptionally well in digestibil- ity trials involving cannulated piglets – the products achieved scores of 98.9% and 96.3% respectively, meaning that the prod- ucts’ amino acids are virtually completely di- gested before it reaches the colon. That in turn means that there is hardly any substrate for pathogenic gut bacteria to feed on any undigested proteins in the colon – hence the need for gut-health controlling mechanisms like antibiotics is strongly reduced.


The vegetable protein products are being produced in a specialised Dutch manufactur- ing site dedicated to feeds and ingredients for young animals, a good hour’s drive away from Castenray, the farm’s location. For pro- duction, different vegetable protein ingredi- ents are used such as soy, wheat gluten, pea and potato proteins. In order to reach these high digestibility values, it is imperative that the locally sourced ingredients are always fresh and of superior quality, explains Wim Beeks, manager of sales and marketing with Joosten. Once inside the facility, they are finely ground to a particle size of 200 microns. The particle size is also an explanation for the


high digestibility of these protein sources, adds his colleague Lars Gorisse, technical manager at Joosten. He says, “That means that the anti-nutritional factors also naturally present in some raw ingredients, like for in- stance β-conglycinin in soy, are also ground to very small particles. In that size, the pig- let’s gastrointestinal tract can better deal with them.” The other natural components glutamine and omega-3 fatty acids in the formulated products have, in combination with the high amino acid digestibility, shown to improve feed conversion ratio, manure quality, surviv- al rate and uniformity in many university and piglet field trials.


Soy bean meal.


Wheat gluten.


Salmon oil, source of omega-3.


for a cough or a sow for lameness. Then we will fill that out in the system that corresponds to the animal’s ear tag, so at the slaughterhouse they will know which ones to process differently.”


Manure treatment Last but not least, outside the farm there is a huge manure separation truck installed, pumping up the manure from the pits and separating it into liquid and solid parts. Janssen says, “The liquid part is being spread out on the land nearby, but the solid part is sold off.” He grins: “It’s the black gold.”


Electronic Sow Feeding The farm visit ends where it began, as the mandatory show- ers are next to the gestation area. In that room, full of quiet- ly sleeping sows, Janssen opted for dynamic groups with Electronic Sow Feeding stations by Nedap. He is happy hav- ing made that choice, given that the gestating sow house is


peaceful and does not require a lot of manual work. The animals are fed rations from 3pm each afternoon, with the amounts depending on their stage of gestation, up to a maximum of 2.8kg per visit. Should the ear tag reveal that the sow has already eaten, then the system can simply send her out again. Janssen says, “My personal touch to all this is that I have created a circuit through the pig house. Sows have to walk all the way around to get back to the entrance of the feeding stations. So dominant sows tend not to come back to the feeding station immediately.” Anyway, sows usually choose to wait their turn. Pointing up, Janssen says, “The other day we threw a party in the farm of- fice, which is right up there, with windows looking out over the gestation area. Even later at night we could still observe sows going in to get their share of feed. When you check their daily feeding behaviour, you can see a pattern. It’s not like they feed at 10pm one day, and the next day in the after- noon. They always like to feed at the same time of the day.”


▶PIG PROGRESS | Volume 36, No. 3, 2020


www.pigprogress.net/ worldofpigs


17


PHOTO: BERT JANSEN


PHOTO: BERT JANSEN


PHOTO: VINCENT TER BEEK


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