the possibility to use insects in feed, as well. Lava said they are a promising source of protein for poultry production in the EU. Demand for protein-rich feed is currently high in the EU. Driv- en by globalisation and climate change, Lava believes this trend will continue in the future. “Offering solutions for sourc- ing protein feed from EU-based sources is a step in the right di- rection,” said Lava. “EU authorities should go further.” Processed animal proteins are made from Category 3 animal by-products that come from healthy animals that are fit for human consumption at the point of slaughter. To ensure safe- ty, the sourcing, processing and transportation of PAPs is un- der veterinary control. In the 20 years since the ban was first implemented, researchers have developed a PCR test that en- sures that PAPs do not contain by-products they should not contain. “Because we have a species-to-species ban in Europe, they also test on pigs and poultry,” said Van Vuure.
More research needed A lot has changed since PAPs were first banned 20 years ago. Processing techniques, for instance, have evolved and im- proved. Some research has been conducted on the nutrition- al benefits of porcine PAPs used in poultry feed. In a recently published white paper, Van Vuure outlines some of the re- sults. Working in collaboration with EFPRA, Wageningen Live- stock Research conducted a study in 2010 to evaluate the nu- tritional content and digestibility of PAPs, as well as the overall performance of laying hens that consumed the feed. The 2010 study evaluated four types of PAPs in feed with
40%, 50%, 58%, and 60% protein in the diet. Layer perfor- mance differed between treatments. The most favourable of the four was PAP-50%, and the least favourable was PAP- 40%. Differences in performance seemed to be partially relat- ed to differences in feed intake and corresponding amino acid intake. While supplementation with PAPs did not gener- ally reduce feather pecking behaviour, in the PAP-40 and PAP-50 diets, there was a delay in the development of feather damage. At the same time, in comparison to those flocks un- der the higher PAPs diet, those under the PAP-40 and PAP-50 diets had improved litter condition, foraging and walking behaviour, as well as floor pecks. In a 2018 study that assessed digestibility and overall perfor- mance when two types of porcine PAP were incorporated into the diet of broilers, replacing soybean meal, researchers evaluated intestinal health, litter quality, footpad lesions and bone quality. the results of the study show that both types of PAP tested can be used as suitable replacements forsoybean meal in broiler diets without impacting performance results, including litter quality, footpad lesions, gait, bone quality, and intestinal health. The performance study was followed by a study on digestibility. More complete results can be found on the EFPRA website. Realistically, though, two stud- ies are not enough to draw definitive conclusions. “As a nutri- tionist and a scientist, I think we should do more research,” said Van Vuure. “To really make a claim, we have to do more.” It is expected that the ban will be lifted effectively in October of this year.
▶ ALL ABOUT FEED | Volume 29, No. 7, 2021
The change in legislation al- lows PAPs from pigs to be used in poultry feed, and PAPs from poultry to be used in pig feed.
7
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36
