{"id":410389,"date":"2021-10-03T16:41:44","date_gmt":"2021-10-03T14:41:44","guid":{"rendered":"https:\/\/phileo-lesaffre.com\/?p=410389"},"modified":"2022-08-04T17:30:52","modified_gmt":"2022-08-04T15:30:52","slug":"weaning-piglets-without-zinc-oxide","status":"publish","type":"post","link":"https:\/\/phileo-lesaffre.com\/en\/weaning-piglets-without-zinc-oxide\/","title":{"rendered":"Weaning piglets without zinc oxide"},"content":{"rendered":"

[vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” z_index=”” css=”.vc_custom_1598509169065{padding-bottom: 35px !important;}”][vc_column][vc_column_text]<\/p>\n

By Wouter de Bruin, Western Europe Manager Swine, Phileo by Lesaffre<\/p>\n

[\/vc_column_text][vc_separator type=”transparent” up=”15″ down=”15″][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1623762190118{padding-bottom: 35px !important;}” z_index=””][vc_column][vc_column_text]\"\"Over the past decades, the use of therapeutic inclusions of zinc oxide in diets has been used to reduce the negative impact of the weaning process on the performance of piglets. Its effectiveness on diarrhoea reduction has led to an enormous increase in consumption of zinc oxide in pig nutrition worldwide. More and more countries around the globe are concerned about the negative impact of zinc oxide on the environment. Next to this, the indications that zinc oxide facilitates antibiotic resistance of bacteria have led to the decision of the European Union to ban therapeutic use of zinc in piglet diets by latest June 2022. Some member states within EU do already prohibit the use of high inclusions of zinc oxide before this date.<\/p>\n

Weaning piglets without zinc oxide is proven to be surely possible, though measures should be taken to prevent antibiotic usage to increase. Therefore, it is important to closely review management practices on farms and nutritional strategies.[\/vc_column_text][vc_separator type=”transparent”][vc_separator type=”transparent”][vc_column_text]<\/p>\n

Ensure sufficient feed intake<\/h3>\n

One of the main troubles right after weaning is the reduced and irregular feed intake of piglets. This leads to disrupted gut development creating opportunities for potential pathogens like E. coli and Streptococcus suis to cause further damage. In order to avoid this, a high quality diet should be fed with a close eye on protein digestibility, fiber content and feed palatability.
\nOne of the ingredients to consider for diets just before and after weaning is Prosaf\u00ae. This pure yeast extract has a high concentration of crude protein and is highly digestible due to its small sized peptides as proven by Schothorst Feed Research. As Prosaf\u00ae is obtained by autolysis of proprietary Saccharomyces cerevisiae baker\u2019s yeast strains, it is entirely soluble and rich in essential amino acids. The high concentration of 11% glutamic acid ensures a positive effect on feed intake around weaning.[\/vc_column_text][vc_row_inner row_type=”row” type=”full_width” text_align=”left” css_animation=””][vc_column_inner width=”1\/2″][vc_column_text]In various trials we have compared the impact of Prosaf\u00ae<\/sup> on feed intake and performance of piglets. In these trials, Prosaf\u00ae<\/sup> has been added to the trial diet while maintaining iso-nutrient to the control diet. Often, protein sources like soy protein concentrate, fishmeal and SDPP are reduced from the formulation when Prosaf\u00ae<\/sup> is being added.
\nA synthesis of trials conducted under comparable conditions demonstrates that the use of Prosaf\u00ae<\/sup> in piglets diets indeed has a beneficial impact on feed intake (figure 1). On top of that, it shows that growth performance is increased as well as feed efficiency.[\/vc_column_text][vc_separator type=”transparent”][\/vc_column_inner][vc_column_inner width=”1\/2″][vc_single_image image=”410394″ img_size=”full” alignment=”center” onclick=”link_image” qode_css_animation=”” qode_hover_animation=”zoom_in”][vc_column_text]Fig. 1 Inclusion of Prosaf\u00ae in piglets diets around weaning has a positive effect on feed intake, daily gain and feed efficiency.<\/em><\/strong>[\/vc_column_text][vc_separator type=”transparent”][\/vc_column_inner][\/vc_row_inner][vc_row_inner row_type=”row” type=”full_width” text_align=”left” css_animation=””][vc_column_inner][vc_column_text]<\/p>\n

Improving microbiome<\/h3>\n

n order for piglets to cope with the changing diets, it is important to ensure to support the microbiome development. The microbial population present in the digestive tract of young piglets is sensitive to stresses caused by for example feed changes or weaning. Bacteria are competing with each other for available space and nutrients leading to digestive disorders such and diarrhoea. Aiming for a robust and divers community is key to avoid these digestive problems. Probiotic yeast Actisaf\u00ae is known for its positive impact on piglets microbiome development. Supplementing Actisaf\u00ae to piglets leads to higher concentrations of beneficial bacteria and on top of that it leads to a more harmonious environment and lower sensitivity to stresses (figure 2). [\/vc_column_text][vc_single_image image=”410399″ img_size=”full” alignment=”center” onclick=”link_image” qode_css_animation=”” qode_hover_animation=”zoom_in”][vc_column_text]Fig. 2 Supplementing piglets with probiotic yeast Actisaf\u00ae<\/sup> contributes to regulation of intestinal homeostasis. The ratio of positive to negative relationships between bacteria increases suggesting a stronger balance that is less sensitive to stresses and leads to better performance of piglets.<\/em><\/strong>[\/vc_column_text][vc_separator type=”transparent”][vc_separator type=”transparent”][\/vc_column_inner][\/vc_row_inner][vc_row_inner row_type=”row” type=”full_width” text_align=”left” css_animation=””][vc_column_inner width=”1\/2″][vc_column_text]As a consequence, there is lower occurrence of digestive disorders reducing the needs for any treatments with for example antibiotics.<\/p>\n

Although the probiotic effect of Actisaf\u00ae<\/sup>, improving the microbiome, does start right after supplementation, the full impact can only be observed after some time. Therefor it is important to help piglets to bridge this period of adaptation in order to limit the risk of pathogens like E. coli to cause a health issue.<\/p>\n

To have immidiate impact on pathogen control the use of Safmannan\u00ae is recommended. This premium yeast fraction acts as a magnet to bacteria like E. coli <\/em>and Salmonella spp<\/em>. Due to the high concentration of MOS these bacteria adhere to Safmannan\u00ae<\/sup> with their mannose sensitive fimbriae (figure 3) preventing causing an inflammation. Once bacteria are bound to Safmannan\u00ae no further harm will be done as they are excreted in the faeces.[\/vc_column_text][vc_separator type=”transparent”][\/vc_column_inner][vc_column_inner width=”1\/2″][vc_single_image image=”410403″ img_size=”full” alignment=”center” onclick=”link_image” qode_css_animation=”” qode_hover_animation=”zoom_in”][vc_column_text]Fig. 3 Potential pathogenic bacteria adhere to the MOS fraction of Safmannan\u00ae<\/sup><\/em><\/strong>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator type=”transparent”][vc_column_text]<\/p>\n

Field experiences<\/h3>\n

Although improvement of management processes do contribute to reduce the need for zinc oxide, various studies have shown that, even already without these management improvements, the combination of Actisaf\u00ae and Safmannan\u00ae proofs to be a promising alternative to therapeutic use of zinc oxide. Yeast supplemented piglets often reach similar performance levels compared to piglets receiving high zinc oxide. On top of that, no extra antibiotics or other treatments were required during the rearing stage.[\/vc_column_text][vc_row_inner row_type=”row” type=”full_width” text_align=”left” css_animation=””][vc_column_inner width=”1\/2″][vc_column_text]A synthesis of results from three trials recently conducted in Europe shows the impact of zinc oxide on performance of piglets (figure 4). The results of piglets supplemented with Actisaf\u00ae<\/sup> and Safmannan\u00ae<\/sup> are very similar to the ones supplemented with therapeutic zinc oxide.[\/vc_column_text][vc_separator type=”transparent”][\/vc_column_inner][vc_column_inner width=”1\/2″][vc_single_image image=”410407″ img_size=”full” alignment=”center” onclick=”link_image” qode_css_animation=”” qode_hover_animation=”zoom_in”][vc_column_text]Fig. 4 Summary of trials with weaned piglets comparing therapeutic zinc supplementation with a combination of Actisaf\u00ae<\/sup> and Safmannan\u00ae<\/sup><\/em><\/strong>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner row_type=”row” type=”full_width” text_align=”left” css_animation=””][vc_column_inner width=”1\/2″][vc_column_text]The overall performance of piglets during the six week rearing period were similar between high zinc oxide supplemented groups and piglets that received Actisaf\u00ae and Safmannan\u00ae. However, there is some differences in average daily gain during the various stages of rearing. In the first two weeks after weaning, usually the zinc oxide group does slightly outperform the group receiving Actisaf\u00ae<\/sup> and Safmannan\u00ae<\/sup> followed by a period of two weeks with equal performance. During the lats two weeks it is often observed that the yeast supplemented piglets have a higher average daily gain then the piglets supplemented with therapeutic zinc oxide (figure 5). [\/vc_column_text][vc_separator type=”transparent”][\/vc_column_inner][vc_column_inner width=”1\/2″][vc_single_image image=”410411″ img_size=”full” alignment=”center” onclick=”link_image” qode_css_animation=”” qode_hover_animation=”zoom_in”][vc_column_text]Fig. 5 Weekly evolution of average daily weight gain during the rearing stage of piglets. This trial was conducted in Denmark under commercial circumstances.<\/em><\/strong>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator type=”transparent”][vc_column_text]During trials, treatments with antibiotics were also recorded. In non of the trials a significant difference was observerd in number of treatments between groups supplemented with therapeutic zinc oxide and groups supplemented with a combination of Actisaf\u00ae<\/sup> and Safmannan\u00ae<\/sup>.
\nEven though improving management practices on farm remains key, therapeutic doses of zinc in weaner diets can be eliminated with a close eye on feed intake of young piglets, microbiome development and pathogen control.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Over the past decades, the use of therapeutic inclusions of zinc oxide in diets has been used to reduce the negative impact of the weaning process on the performance of piglets. <\/p>\n","protected":false},"author":1,"featured_media":411170,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42,15],"tags":[],"class_list":["post-410389","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-prosaf","category-swine"],"yoast_head":"\nWeaning piglets without zinc oxide • Phileo by Lesaffre<\/title>\n<meta name=\"description\" content=\"Weaning piglets without zinc oxide is possible. 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