{"id":12691,"date":"2026-05-14T07:46:22","date_gmt":"2026-05-14T07:46:22","guid":{"rendered":"https:\/\/hn.endesarrollo.pro\/?p=12691"},"modified":"2026-05-16T11:45:17","modified_gmt":"2026-05-16T11:45:17","slug":"bird-assessment","status":"publish","type":"post","link":"https:\/\/hn-int.com\/bird-assessment\/","title":{"rendered":"Bird assessment"},"content":{"rendered":"\t\t
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Pullet Phase<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Body weight and uniformity<\/h3>\t\t\t\t<\/div>\n\t\t
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Uniformity<\/strong> = (all weighed birds \u2013 A1 \u2013 B2) \/(all weighed birds)<\/p>

  • A1 = No. of birds >= average BW x 1.1<\/li>
  • B2 = No. of birds <= average BW x 0.9<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    Weigh minimum 100 birds<\/strong><\/p>

    • Select cages from di\ufb00erent tiers and also from the front, middle and back part of the house<\/li>
    • All the birds of the selected cage need to be weighed.<\/li>
    • Weigh weekly<\/strong><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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      Mortality<\/h3>\t\t\t\t<\/div>\n\t\t
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      Daily Mortality (%)<\/strong> = (No. of dead birds today x 100) \/(No. of live birds yesterday)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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      Weekly Mortality (%)<\/strong> = (No. of dead birds in last 7 days x 100) \/(No. of live birds on day before the week starts)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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      Accumulated Mortality (%)<\/strong> = (No. of dead birds so far x 100) \/(initial No. of housed birds)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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      Shank length or keel length<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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      • Measure minimum 50 birds<\/li>
      • All the birds of the selected cage or area need to be measured<\/li>
      • Measure 5th week before transfer<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t
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        How to do shank measurements<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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        How to do keel measurements<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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        Laying hens<\/h2>\t\t\t\t<\/div>\n\t\t
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        Body weight and uniformity<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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        Weigh minimum 100 birds<\/strong><\/p>

        • Select cages from di\ufb00erent tiers and also from the front, middle and back part of the house<\/li>
        • All the birds of the selected cage need to be weighed.<\/li>
        • Weigh weekly<\/strong><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
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          Frequency<\/strong><\/p>

          • Weigh weekly up to 30 weeks of age<\/li>
          • Weigh every 2 weeks<\/li>
          • Up to 40 weeks of age<\/li>
          • Weigh monthly after 40 weeks of age<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t
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            Uniformity<\/strong> = (all weighed birds \u2013 A1 \u2013 B2) \/(all weighed birds)<\/p>

            • A1 = No. of birds >= average BW x 1.1<\/li>
            • B2 = No. of birds <= average BW x 0.9<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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              Mortality<\/h3>\t\t\t\t<\/div>\n\t\t
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              Daily Mortality (%)<\/strong> = (No. of dead birds today x 100) \/(No. of live birds yesterday)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Weekly Mortality (%)<\/strong> = (No. of dead birds in last 7 days x 100) \/(No. of live birds on day before the week starts)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Accumulated Mortality (%)<\/strong> = (No. of dead birds so far x 100) \/(initial No. of housed birds)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Efficiency parameters<\/h3>\t\t\t\t<\/div>\n\t\t
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              FCR kg\/kg<\/strong> = kg of feed consumed \/kg of eggs produced (No. of eggs x average egg weight)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              FCR kg\/egg<\/strong> = kg of feed consumed \/No. of eggs<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Egg per Hen Housed<\/strong> = No. of eggs produced \/No. of hens in the production house after the transfer<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              FCR kg\/12 eggs<\/strong> = (kg of feed consumed x 12) \/No. of total eggs produced<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              IOFC<\/strong> = egg mass hen housed x 0.8 \/feed intake per hen housed x 0.2<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Egg production<\/h3>\t\t\t\t<\/div>\n\t\t
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              Daily Laying Rate (%)<\/strong> = (all produced eggs x 100) \/daily birds in the farm<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Weekly Lay (%)<\/strong> = (Sum of all produced eggs within 7 days x 100) \/Sum of all the birds within 7 days<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Accumulated Lay (%)<\/strong> = Sum of all the produced eggs \/(No. of birds housed x Days in production)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Daily egg size<\/strong> = Total weight of produced eggs \/Total No. of produced eggs<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Weekly egg size<\/strong> = Average egg size of the last 7 days<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Accumulated egg size (g)<\/strong> = kg of feed consumed \/kg of eggs produced (No. of eggs x average egg weight)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Daily egg mass<\/strong> = (Daily % lay x Daily egg size) \/100<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Weekly egg mass<\/strong> = (Weekly % lay x Weekly egg size) \/100<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Accumulated egg mass<\/strong> = (Produced eggs x Egg weight) \/No. of birds housed<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Under grade<\/strong> = 1. No. of broken eggs (BE) 2. No. of cracked eggs (FE) 3. No. of dirty eggs (DE)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Daily Under grade (%)<\/strong> = (No. of daily BE, FE, DE x 100) \/No. of all daily eggs<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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              Accumulated Under grade<\/strong> = (No. of all BE, FE, DE so far x 100) \/No. of all eggs so far<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

              Pullet Phase Body weight and uniformity Uniformity = (all weighed birds \u2013 A1 \u2013 B2) \/(all weighed birds) A1 = No. of birds >= average BW x 1.1 B2 = No. of birds <= average BW x 0.9 Weigh minimum 100 birds Select cages from di\ufb00erent tiers and also from the front, middle and back […]<\/p>\n","protected":false},"author":2192,"featured_media":12692,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[52,50],"tags":[],"class_list":["post-12691","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-layers","category-the-chickipedia"],"acf":[],"yoast_head":"\nBird assessment - H&N International<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bird assessment - 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