{"id":19382,"date":"2025-07-30T09:50:00","date_gmt":"2025-07-30T16:50:00","guid":{"rendered":"https:\/\/calcanstaging.kinsta.cloud\/?p=19382"},"modified":"2025-08-04T12:22:21","modified_gmt":"2025-08-04T19:22:21","slug":"da-silva-dairy-tour-ammp-climate-solutions","status":"publish","type":"post","link":"https:\/\/calclimateag.org\/es\/da-silva-dairy-tour-ammp-climate-solutions\/","title":{"rendered":"Visita a la central lechera Da Silva: Compostaje, reducci\u00f3n del metano y conservaci\u00f3n del agua en el valle de San Joaqu\u00edn"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Last week, CalCAN and the California Dairy Campaign (CDC) co-hosted a tour of Da Silva Dairy in Escalon, where participants saw firsthand from owner Denis Da Silva how the farm is utilizing support from <\/span><a href=\"https:\/\/calclimateag.org\/ammp\/\"><span style=\"font-weight: 400;\">California\u2019s Alternative Manure Management Program (AMMP)<\/span><\/a><span style=\"font-weight: 400;\"> to reduce methane emissions, conserve water, and improve herd health. We were joined by State Senator Jerry McNerney, staff from Assemblymember Ransom\u2019s office, researchers from UC Davis, and technical assistance providers from the California Dairy Campaign, Sustainable Conservation, and East Stanislaus Resource Conservation District for a conversation about sustainable manure management and the economic needs of family-run dairies in the San Joaquin Valley. The tour prompted valuable exchanges among participants, with Senator McNerney actively engaged throughout, asking thoughtful questions and expressing strong interest in practical, farm-based solutions to climate and water challenges.<\/span><\/p>\n<h2><b>AMMP: A Climate and Water Solution<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Implemented by the California Department of Food and Agriculture (CDFA), AMMP funds equipment and strategies that reduce methane emissions. Many dairies in California use \u201cwet\u201d manure management systems and storage lagoons that release large amounts of methane when organic matter decomposes in the absence of oxygen. AMMP supports <\/span><span style=\"font-weight: 400;\">producers to move away from \u201cwet\u201d systems.\u201d Specific eligible practices include solid-liquid separation, dry scrape and vacuum manure collection, composting, and expansion of pasture management. These methods are particularly accessible to small and mid-scale dairies. AMMP practices can also provide a variety of other co-benefits, including improved water quality, replacing synthetic fertilizer use with compost on crop fields, reducing odor and flies, and improving the health of cows and workers.<\/span><\/p>\n<figure id=\"attachment_19386\" aria-describedby=\"caption-attachment-19386\" style=\"width: 484px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\" wp-image-19386\" src=\"https:\/\/i0.wp.com\/calclimateag.org\/wp-content\/uploads\/2025\/07\/IMG_6960-Large.jpeg?resize=484%2C363&#038;ssl=1\" alt=\"\" width=\"484\" height=\"363\" srcset=\"https:\/\/i0.wp.com\/calclimateag.org\/wp-content\/uploads\/2025\/07\/IMG_6960-Large.jpeg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/calclimateag.org\/wp-content\/uploads\/2025\/07\/IMG_6960-Large.jpeg?resize=1024%2C768&amp;ssl=1 1024w, https:\/\/i0.wp.com\/calclimateag.org\/wp-content\/uploads\/2025\/07\/IMG_6960-Large.jpeg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/calclimateag.org\/wp-content\/uploads\/2025\/07\/IMG_6960-Large.jpeg?w=1280&amp;ssl=1 1280w\" sizes=\"auto, (max-width: 484px) 100vw, 484px\" \/><figcaption id=\"caption-attachment-19386\" class=\"wp-caption-text\"><em>\u201cThe program helps us a lot,\u201d Denis shared. \u201cGetting manure out of the water is a huge saving for us, for cow health.\u201d<\/em><\/figcaption><\/figure>\n<h2><b>AMMP in Action: A Morning at Da Silva Dairy<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">On a beautiful and unseasonably mild July morning in the San Joaquin Valley, participants gathered at one of the Da Silva Dairy locations to begin the tour. Over coffee and donuts, owner Denis and staff from CalCAN and CDC welcomed attendees. The group stood beside the cow stalls and compost windrows as they examined the farm\u2019s AMMP-funded sloped screen solid separator. The separator removes manure solids from flush water before it enters the lagoons. Those solids are then composted on-site, primarily for use as cow bedding.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Next, the group caravanned down a connecting dirt road that cut through rows of almonds and corn, linking the two adjacent Da Silva dairy sites. At the second location, another solid separator was operating, providing participants with a fuller picture of how important AMMP has become to Da Silva&#8217;s operations.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Owner Denis Da Silva and his herdsman, Azael Arosemena, explained how separating solids from lagoon water reduces methane emissions and water use simultaneously. By keeping solids out of the lagoon, the water becomes reusable for flushing freestalls, thereby conserving freshwater.<\/span><\/p>\n<blockquote>\n<p><i><span style=\"font-weight: 400;\">\u201cThe program helps us a lot,\u201d Denis shared. \u201cGetting manure out of the water is a huge saving for us, for cow health.\u201d\u00a0<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\">\u201cMost dairies have lagoons, but they also need to use a lot of fresh water,\u201d Azael said. \u201cThis solid separator lets us run the dairy with very little fresh water.\u201d<\/span><\/i><\/p>\n<\/blockquote>\n<p><span style=\"font-weight: 400;\">The system has also improved efficiency. Solids separated before entering the lagoon are drier and easier to manage, speeding up composting and reducing the need to dredge out heavy, wet manure. The farm uses most of the compost as bedding, which Denis says has helped lower infection rates in the herd. When there\u2019s excess, Denis shares it with a neighboring farm.<\/span><\/p>\n<h2><b>A Program for Small and Mid-Sized Dairies\u00a0<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The California Dairy Campaign (CDC), which represents many small and mid-sized dairies, emphasized the importance of AMMP as both an environmental and economic support tool.<\/span><\/p>\n<blockquote>\n<p><i><span style=\"font-weight: 400;\">\u201cThere\u2019s a lot of uncertainty in the dairy industry,\u201d said CDC\u2019s Lynn McBride. \u201cPrices are volatile, and regulations are increasing. Without the AMMP funding, changes like this just don\u2019t happen.\u201d<\/span><\/i><\/p>\n<\/blockquote>\n<p><span style=\"font-weight: 400;\">In recent years, small dairies in California have been shuttering at an alarming rate due to a variety of economic pressures, including low and volatile milk prices and rising input costs. Between 2017 and 2022, half of the state\u2019s dairies with fewer than 500 cows <\/span><a href=\"https:\/\/agdatanews.substack.com\/p\/where-are-californias-dairy-cows?utm_source=post-email-title&amp;publication_id=689765&amp;post_id=141752579&amp;utm_campaign=email-post-title&amp;isFreemail=true&amp;r=23kkgd&amp;triedRedirect=true\"><span style=\"font-weight: 400;\">went out of business.<\/span><\/a><span style=\"font-weight: 400;\"> AMMP can help keep these operations viable while also supporting public goals around air and water quality, climate mitigation, and soil health.<\/span><\/p>\n<h2><b>Bringing AMMP into the Capitol Conversation<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Senator McNerney, who sits on both the Senate Agriculture Committee and the Budget Subcommittee on Environmental Protection, attended the tour to learn more about AMMP and its benefits.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">He showed particular interest in the composting process and how the farm was reducing its freshwater demand\u2014issues that align closely with his authorship of <\/span><a href=\"https:\/\/leginfo.legislature.ca.gov\/faces\/billNavClient.xhtml?bill_id=202520260SB279\"><span style=\"font-weight: 400;\">SB 279<\/span><\/a><span style=\"font-weight: 400;\"> this year, which would facilitate more on-farm composting, and his concerns about preserving the Bay-Delta ecosystem in his district.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Participants also discussed regulatory challenges that dairies and AMMP-funded projects face, including the complexity of the permitting process for composting projects. Senator McNerney listened attentively to these stories and the general economic challenges facing the industry, as shared by the California Dairy Campaign, and responded encouragingly, \u201cI want to learn what I can do to help and make sure you can keep farming.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">AMMP is popular and consistently oversubscribed. Each year, the program has funding, producers request two to three times more funding than is available. In 2024, CDFA received $50.7 million in AMMP requests but could only fund $17.4 million worth of projects. <strong>The program has no funding available for grants this year.\u00a0<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400;\">As the legislature is currently negotiating Cap and Trade Reauthorization, CalCAN and its partners have been calling for $600 million annually, or 15% of the State\u2019s Greenhouse Gas Reduction Fund (GGRF), for agricultural climate solutions, including $50 million in funding for AMMP. At the tour, CalCAN asked Senator McNerney to work with us on securing funding for AMMP either through the Cap and Trade reauthorization process or next year\u2019s budget negotiations. He expressed interest and committed to continuing the conversation with us.\u00a0\u00a0<\/span><\/p>\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"19392\" src=\"https:\/\/i0.wp.com\/calclimateag.org\/wp-content\/uploads\/2025\/07\/IMG_9617-Large-1.jpeg?resize=768%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-19392\" srcset=\"https:\/\/i0.wp.com\/calclimateag.org\/wp-content\/uploads\/2025\/07\/IMG_9617-Large-1.jpeg?resize=768%2C1024&amp;ssl=1 768w, https:\/\/i0.wp.com\/calclimateag.org\/wp-content\/uploads\/2025\/07\/IMG_9617-Large-1.jpeg?resize=225%2C300&amp;ssl=1 225w, https:\/\/i0.wp.com\/calclimateag.org\/wp-content\/uploads\/2025\/07\/IMG_9617-Large-1.jpeg?w=960&amp;ssl=1 960w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\">Senator McNerney and his team learning about the inner workings of the separator from Denis Da Silva.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"19393\" src=\"https:\/\/i0.wp.com\/calclimateag.org\/wp-content\/uploads\/2025\/07\/IMG_6934-Large.jpeg?resize=768%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-19393\" srcset=\"https:\/\/i0.wp.com\/calclimateag.org\/wp-content\/uploads\/2025\/07\/IMG_6934-Large.jpeg?resize=768%2C1024&amp;ssl=1 768w, https:\/\/i0.wp.com\/calclimateag.org\/wp-content\/uploads\/2025\/07\/IMG_6934-Large.jpeg?resize=225%2C300&amp;ssl=1 225w, https:\/\/i0.wp.com\/calclimateag.org\/wp-content\/uploads\/2025\/07\/IMG_6934-Large.jpeg?w=960&amp;ssl=1 960w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\">Da Silva&#8217;s manure separator, a practice supported by the AMMP program, in action.<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Looking Ahead: Why Continued AMMP Funding Matters<\/h2>\n\n\n\n<p>This tour made clear that AMMP works for the climate, for water protection, and for family-run dairies. With sufficient funding, the program could go even further: helping producers meet upcoming <a href=\"https:\/\/www.waterboards.ca.gov\/public_notices\/petitions\/water_quality\/docs\/r5-2013-0122\/a2283bdrftordr.pdf\">water quality regulations,<\/a> producing compost to support the state\u2019s healthy soils and organic acreage targets, and ensuring dairies have the tools to reduce methane while staying in business.<\/p>\n\n\n\n<p>CalCAN is grateful to Senator McNerney, Denis Da Silva, the Da Silva family, and the rest of the hardworking team at Da Silva Dairy, as well as the California Dairy Campaign and all the tour participants, for their time and leadership. We look forward to continued partnership to keep AMMP funded and effective.\u00a0<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>We&#8217;ll continue to post updates on the AMMP program in this blog and in our <a href=\"https:\/\/calclimateag.org\/joinus\/#:~:text=Stay%20informed.%20Sign%20up%20for%20our%20monthly%20newsletter.%C2%A0\">monthly newsletter<\/a>.<\/p>\n\n\n\n<p>If you\u2019re an AMMP recipient and interested in hosting a tour for your legislator to help support these efforts, please contact our Associate Policy Director, Colton Fagundes, at colton [at] calclimateag.org.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Last week, CalCAN and the California Dairy Campaign (CDC) co-hosted a tour of Da Silva Dairy in Escalon, where participants saw&#8230;<\/p>","protected":false},"author":36,"featured_media":19385,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"mc4wp_mailchimp_campaign":[],"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[681],"tags":[462,15,397,677],"class_list":["post-19382","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-practices","tag-ammp","tag-cap-and-trade","tag-dairy-methane","tag-tour"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A Tour of Da Silva Dairy: Compost, Methane Reduction, and Water Conservation in the San Joaquin Valley | CalCAN - California Climate &amp; Agriculture Network<\/title>\n<meta name=\"description\" content=\"A recent tour of Da Silva Dairy in Escalon showcased how California\u2019s AMMP program supports small dairies with composting, water conservation, and methane reduction. Lawmakers and researchers joined to see these climate-smart practices in action.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/calclimateag.org\/es\/da-silva-dairy-tour-ammp-climate-solutions\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Tour of Da Silva Dairy: Compost, Methane Reduction, and Water Conservation in the San Joaquin Valley | CalCAN - California Climate &amp; Agriculture Network\" \/>\n<meta property=\"og:description\" content=\"A recent tour of Da Silva Dairy in Escalon showcased how California\u2019s AMMP program supports small dairies with composting, water conservation, and methane reduction. 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