Research on Animal Production
پژوهشهاي توليدات دامي
rap
Agriculture
http://rap.sanru.ac.ir
1
admin
2251-8622
2676-461X
8
10.61186/rap
14
8888
13
fa
jalali
1391
12
1
gregorian
2013
3
1
3
6
online
1
fulltext
fa
تأثیر افزودنی های بستر بر عملکرد، سیستم ایمنی و وقوع سندرم آسیت در جوجه های گوشتی
The Effect of Litter Chemical Additives on Performance, Immune System and Incidence of Ascites Syndrome in Broiler Chickens
تخصصي
Special
پژوهشي
Research
<strong><span 10.0pt="" 12pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times="">به منظور بررسی اثر افزودنی­های شیمیایی بر عملکرد رشد، سیستم ایمنی و سندرم آسیت درجوجه­های گوشتی، آزمایشی در قالب طرح پایه کاملاً تصادفی با 4 تیمار و 4 تکرار و 24 قطعه جوجه در هر پن به اجرا درآمد. تیمارها شامل افزودن مواد مختلف به مقدار 115/1 کیلوگرم در هر متر مربع به طور یکنواخت<font size="3"><font face="B Nazanin"><span style="mso-spacerun: yes"> </span>روی بستر در 24 ساعت قبل از ورود جوجه­ها به سالن و متشکل از: 1) سولفات آلومینیوم + آهک، 2) زئولیت طبیعی + اسید سیتریک، 3) ترکیبی از مواد شیمیایی فوق و 4) گروه شاهد (بدون افزودن مواد فوق به بستر) بودند. عملکرد پرنده شامل افزایش وزن، مصرف خوراک و ضریب تبدیل غذایی در تمام دوره­های مورد بررسی تحت تأثیر معنی­دار تیمارهای آزمایشی قرار نگرفت. در 42 روزگی، عمل آوری بستر تأثیر معنی­داری بر درصد تلفات، درصد آسیت، اوزان نسبی قلب و بطن راست، شاخص آسیت قلب، درصد هماتوکریت، عیار</font></font></span><span dir="ltr"></span><span dir="ltr"></span><span 10pt="" 12.0pt="" b="" en-us="" fa="" font-size:="" lang="FA" mso-ansi-language:="" mso-bidi-font-family:="" mso-bidi-font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" new="" style="FONT-FAMILY: " times=""><span dir="ltr"></span><span dir="ltr"></span> </span><span 10.0pt="" 12pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times="">پادتن</span><span dir="ltr"></span><span dir="ltr"></span><span 10pt="" 12.0pt="" b="" en-us="" fa="" font-size:="" lang="FA" mso-ansi-language:="" mso-bidi-font-family:="" mso-bidi-font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" new="" style="FONT-FAMILY: " times=""><span dir="ltr"></span><span dir="ltr"></span> </span><span 10.0pt="" 12pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times="">علیه</span><span dir="ltr"></span><span dir="ltr"></span><span 10pt="" 12.0pt="" b="" calibri="" en-us="" fa="" font-size:="" lang="FA" mso-ansi-language:="" mso-bidi-font-family:="" mso-bidi-font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times=""><span dir="ltr"></span><span dir="ltr"></span> </span><span 10.0pt="" 12pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times="">گلبول قرمز</span><span dir="ltr"></span><span dir="ltr"></span><span 10pt="" 12.0pt="" b="" en-us="" fa="" font-size:="" lang="FA" mso-ansi-language:="" mso-bidi-font-family:="" mso-bidi-font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" new="" style="FONT-FAMILY: " times=""><span dir="ltr"></span><span dir="ltr"></span> </span><span 10.0pt="" 12pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times="">گوسفند</span><span dir="ltr"></span><span dir="ltr"></span><span 10pt="" 12.0pt="" b="" en-us="" fa="" font-size:="" lang="FA" mso-ansi-language:="" mso-bidi-font-family:="" mso-bidi-font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" new="" style="FONT-FAMILY: " times=""><span dir="ltr"></span><span dir="ltr"></span> </span><span 10.0pt="" 12pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times="">و پاسخ به تزریق فیتوهماگلوتنین در</span><span dir="ltr"></span><span dir="ltr"></span><span 10pt="" 12.0pt="" b="" en-us="" fa="" font-size:="" lang="FA" mso-ansi-language:="" mso-bidi-font-family:="" mso-bidi-font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" new="" style="FONT-FAMILY: " times=""><span dir="ltr"></span><span dir="ltr"></span> </span><span 10.0pt="" 12pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times="">بین</span><span dir="ltr"></span><span dir="ltr"></span><span 10pt="" 12.0pt="" b="" en-us="" fa="" font-size:="" lang="FA" mso-ansi-language:="" mso-bidi-font-family:="" mso-bidi-font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" new="" style="FONT-FAMILY: " times=""><span dir="ltr"></span><span dir="ltr"></span> </span><span 10.0pt="" 12pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times="">تیمارهای آزمایشی</span><span dir="ltr"></span><span dir="ltr"></span><span 10pt="" 12.0pt="" b="" en-us="" fa="" font-size:="" lang="FA" mso-ansi-language:="" mso-bidi-font-family:="" mso-bidi-font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" new="" style="FONT-FAMILY: " times=""><span dir="ltr"></span><span dir="ltr"></span> </span><span 10.0pt="" 12pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times="">نشان</span><span dir="ltr"></span><span dir="ltr"></span><span 10pt="" 12.0pt="" b="" en-us="" fa="" font-size:="" lang="FA" mso-ansi-language:="" mso-bidi-font-family:="" mso-bidi-font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" new="" style="FONT-FAMILY: " times=""><span dir="ltr"></span><span dir="ltr"></span> </span><span 10.0pt="" 12pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times="">نداد. بیشترین وزن نسبی بورس فابریسیوس و طحال به ترتیب مربوط به تیمار 1 و 2 (05/0</span><span 11pt="" 9.0pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times="">></span><span 10pt="" 12.0pt="" b="" en-us="" fa="" font-size:="" mso-ansi-language:="" mso-bidi-font-family:="" mso-bidi-font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" new="" style="FONT-FAMILY: " times="">P</span><span dir="rtl"></span><span dir="rtl"></span><span 10.0pt="" 12pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times=""><span dir="rtl"></span><span dir="rtl"></span>) بود و سایر تیمارها در مقایسه با گروه بدون افزودنی اختلاف معنی­داری را نشان ندادند. اسیدیته و درصد رطوبت بستر تا 5 هفتگی دوره پرورش تحت تأثیر معنی­دار افزودنی­ها قرار گرفت (05/0</span><span 11pt="" 9.0pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times="">></span><span 10pt="" 12.0pt="" b="" en-us="" fa="" font-size:="" mso-ansi-language:="" mso-bidi-font-family:="" mso-bidi-font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" new="" style="FONT-FAMILY: " times="">P</span><span dir="rtl"></span><span dir="rtl"></span><span 10.0pt="" 12pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times=""><span dir="rtl"></span><span dir="rtl"></span>). در 42 روزگی، درصد نیتروژن، </span><span 10pt="" 12.0pt="" b="" en-us="" fa="" font-size:="" mso-ansi-language:="" mso-bidi-font-family:="" mso-bidi-font-size:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" new="" style="FONT-FAMILY: " times="">pH</span><span dir="rtl"></span><span dir="rtl"></span><span 10.0pt="" 12pt="" b="" dir="rtl" en-us="" font-size:="" lang="FA" mso-ansi-font-size:="" mso-ansi-language:="" mso-ascii-font-family:="" mso-bidi-language:="" mso-fareast-font-family:="" mso-fareast-language:="" mso-hansi-font-family:="" new="" style="FONT-FAMILY: " times=""><span dir="rtl"></span><span dir="rtl"></span> و درصد رطوبت بستر تحت تأثیر معنی­دار عمل­آوری بستر قرار نگرفت. از نتایج این آزمایش می توان نتیجه گرفت که عمل آوری بستر هر چند موجب بهبود برخی شاخص های بستر می شود ولیکن تاثیر معنی داری <font size="3"><font face="B Nazanin"><span style="mso-spacerun: yes"> </span>بر شاخص های عملکردی جوجه های گوشتی نداشت. </font></font></span></strong>
This study was carried out to evaluate the impact of litter additives on growth performance, immune system response and the incidence of ascites syndrome in broiler chickens. This experiment was investigated in a completely randomized design with four treatments and four replications and 24 day-old chicks in each pen. Experimental treatments were addition of 1) aluminum sulfate + CaCO<sub>3</sub>, 2) natural zeolite + citric acid, 3) treatments 2 and 3 together, to litters and a group with no litter additive was considered as control. Litter additives were applied on surface of the litters by 1.115 kg/m<sup>2</sup>, at 24 h before arrival of the birds. Weight gain, feed consumption and feed conversion ratio were not affected by the treatments (P>0.05). On day 42 posthatch, mortality, the incidence of ascites, heart relative weight, right ventricular relative weight, heart ascites index (AHI) hematocrit and dermal and humoral antibody response to phytohemaglotinin and sheep red blood cells inoculation were not affected by the treatments (P>0.05). Birds reared on the litters treated with aluminum sulfate + CaCO<sub>3</sub> and natural zeolite + citric acid showed significantly greater means for bursa and spleen relative weights respectively (P<span dir="RTL">></span>0.05), while there was not significant difference among other treatments. The pH value and moisture percentage were significantly affected by treatments until 5wk (P<span dir="RTL">></span>0.05). On day 42, pH value, moisture and nitrogen (%) in litter were not affected by treatments (P>0.05). It could be concluded that while litter additives enhanced some of litter characteristics, it did not have effect on broilers performances. <strong>­</strong><br>
افزودنیهای بستر, سیستم ایمنی, سندرم آسیت, عملکرد, جوجه گوشتی
Litter additives, Immune system, Ascites syndrome, Performance, Broiler chickens
1
14
http://rap.sanru.ac.ir/browse.php?a_code=A-10-1-9&slc_lang=fa&sid=1
Danial
Farhadi
دانیال
فرهادی
10031947532846009934
10031947532846009934
No
University of Tarbiat Modaress
دانشگاه تربیت مدرس
Farid
Shariatmadari
فرید
شریعتمداری
10031947532846009935
10031947532846009935
Yes
University of Tarbiat Modaress
دانشگاه تربیت مدرس
Amir
Karimi Torshiz
امیر
کریمی ترشیزی
10031947532846009936
10031947532846009936
No
University of Tarbiat Modaress
دانشگاه تربیت مدرس