{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T06:59:05Z","timestamp":1775804345044,"version":"3.50.1"},"reference-count":35,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2022,3,1]],"date-time":"2022-03-01T00:00:00Z","timestamp":1646092800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,3,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Three experiments were conducted to determine the metabolizable energy (ME) and nitrogen-corrected ME (MEn) contents of hydrolyzed feather meal (HFM) and flash-dried poultry protein (FDPP) for broiler chickens and to determine their digestible energy (DE) and ME for pigs. The energy-yielding ingredients in a reference diet (RD) were replaced at 0, 75, or 150\u00a0g\/kg by HFM in experiment (Exp.) 1; at 0, 75, or 150\u00a0g\/kg by FDPP in Exp. 2; and at 0, 150\u00a0g\/kg HFM, or 150\u00a0g\/kg FDPP in Exp. 3. Birds were fed a standard broiler starter diet from hatch to days 18 and 17 for respective Exp. 1 and 2, following which 144 birds (8 replicate cages of 6 birds per cage) were assigned to the three experimental diets in a randomized complete block design with body weight as the blocking factor. Experimental diets were fed for 5 d, and excreta were collected during the last 3 d. Twenty-four 20-kg barrows, individually housed in metabolic crates equipped with a feeder and drinker, were used in Exp. 3. The barrows were assigned to the three experimental diets in a randomized complete block design with body weight as a blocking factor. Following a 5-d adaptation period, feces and urine were collected for 5 d in a total collection method. Data were used to determine the regression-derived ME and MEn of HFM and FDPP for broiler chickens in Exp. 1 and 2, respectively. The DE and ME of HFM and FDPP for pigs in Exp. 3 were determined using the difference procedure. In Exp. 1, the inclusion of HFM linearly increased (P &amp;lt; 0.05) ME from 3,231 to 3,368 kcal\/kg DM for 0 to 150\u00a0g\/kg replacement of RD. The total tract retention of DM and metabolizability of energy linearly increased (P &amp;lt; 0.05) as replacement of RD with FDPP increased from 0 to 150\u00a0g\/kg in Exp. 2. Inclusion of FDPP linearly increased (P &amp;lt; 0.01) ME from 3,425 to 3,591 kcal\/kg DM. In Exp. 3, the diets containing 150\u00a0g\/kg HFM or FDPP induced greater (P &amp;lt; 0.05) fecal DM and energy losses than the RD; however, the digestibility of energy across the three experimental diets was not different. The respective regression-derived ME and MEn of hydrolyzed feather meal for broiler chickens in the current study were 4,250 and 3,745 kcal\/kg DM with corresponding values of 4,710 and 4,081 kcal\/kg DM for flash-dried poultry protein. In pigs, 4,783 and 4,405 kcal\/kg DM were the respective DE and ME of hydrolyzed feather meal, and 4,553 and 4,320 kcal\/kg DM were the corresponding estimates for flash-dried poultry protein.<\/jats:p>","DOI":"10.1093\/jas\/skac073","type":"journal-article","created":{"date-parts":[[2022,3,9]],"date-time":"2022-03-09T17:08:58Z","timestamp":1646845738000},"source":"Crossref","is-referenced-by-count":10,"title":["Energy value of hydrolyzed feather meal and flash-dried poultry protein for broiler chickens and pigs"],"prefix":"10.1093","volume":"100","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2219-9618","authenticated-orcid":false,"given":"Opeadura T","family":"Osunbami","sequence":"first","affiliation":[{"name":"Department of Animal Sciences, Purdue University, West Lafayette, IN 47907, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2737-7679","authenticated-orcid":false,"given":"Olayiwola","family":"Adeola","sequence":"additional","affiliation":[{"name":"Department of Animal Sciences, Purdue University, West Lafayette, IN 47907, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2022,3,9]]},"reference":[{"key":"2022032913360437500_CIT0001","doi-asserted-by":"crossref","DOI":"10.1016\/j.psj.2021.101195","article-title":"Energy and phosphorus evaluation of poultry meal fed to broiler chickens using a regression method","volume":"100","author":"Adekoya","year":"2021","journal-title":"Poult. 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