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تأثیر مکمل‌های آلی و معدنی روی بر فراسنجه‌های رشد، خصوصیات لاشه و سرم بره‌های سنجابی | ||
| علوم دامی | ||
| مقاله 7، دوره 31، شماره 121، اسفند 1397، صفحه 77-90 اصل مقاله (1.5 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/asj.2018.116436.1579 | ||
| نویسندگان | ||
| محمد ابراهیم نوریان سرور* 1؛ سعیده کاظمی2؛ محمد مهدی معینی3؛ زهرا نیکو صفت4 | ||
| 1استادیار گروه علوم دامی، دانشکده کشاورزی، دانشگاه رازی، کرمانشاه | ||
| 2دانشیار گروه علوم دامی، دانشکده کشاورزی، دانشگاه رازی، کرمانشاه. | ||
| 3استادیار گروه علوم پایه، دانشکده دامپزشکی، دانشگاه رازی، کرمانشاه | ||
| 4دانش آموخته دکتری دامپزشکی ، گروه علوم پایه؛ دانشکده دامپزشکی، دانشگاه رازی، کرمانشاه | ||
| چکیده | ||
| هدف از این مطالعه، بررسی تأثیر مکمل روی-متیونین و سولفات روی بر صفات رشد، خصوصیات لاشه و غلظت عنصر روی و عنصر مس سرم خون و غلظت روی (میلی‌گرم/کیلوگرم) در بافت‌های مختلف لاشه و خصوصیات لاشه شامل صفات طولی، وزن بخش‌های مختلف و آلایش‌های داخلی و خارجی آن در بره‌های سنجابی بود. نتایج نشان داد استفاده از مکمل سولفات روی سبب کاهش معنی‌دار ماده خشک مصرفی؛ وزن نهایی، وزن لاشه بدون دنبه و طول لاشه نسبت به دو گروه شاهد و مکمل روی آلی گردید (05/0>P). مکمل روی آلی سبب افزایش‌معنی‌دار طول ران و دست گردید (001/0=P). غلظت روی در دو عضله چهار سر ران (Quadriceps femoris) و راسته (Longissimus dorsi ) تحت تأثیر استفاده از مکمل روی آلی یا معدنی روی قرار نگرفت ولی غلظت روی در بافت‌های پانکراس، شش و قلب بره‌های دریافت کننده مکمل روی آلی؛ بیشتر از دو گروه دیگر بود (001/0=P). اندازه‌گیری غلظت عنصر روی در مدفوع نشان داد زیست فراهمی مکمل سولفات روی کمتر از مکمل روی-متیونین می‌باشد (001/0=P). غلظت عنصر روی و مس سرم در بره‌های دریافت کننده مکمل روی آلی و معدنی تحت تأثیر مکمل معدنی روی قرار نگرفت(05/0<P). نتایج این آزمایش نشان داد، استفاده از مکمل روی معدنی (سولفات روی)، رشد و مقدار خوراک مصرفی بره‌ها را کاهش می‌دهد؛ اگر چه ضریب تبدیل خوراک تحت تأثیر تیمارهای آزمایشی قرار نگرفت. همچنین استفاده از مکمل روی آلی (روی متیونین) تأثیری بر رشد بره‌ها نداشت ولی سبب افزایش غلظت عنصر روی در بافت شش و قلب گردید. | ||
| کلیدواژه‌ها | ||
| روی-متیونین؛ سولفات روی؛ خصوصیات لاشه؛ رشد؛ بره | ||
| عنوان مقاله [English] | ||
| The effect of organic and inorganic supplements of zinc on growth parameters, carcass characteristics and serum Sanjabi Lambs. | ||
| نویسندگان [English] | ||
| Mohammad Ebrahim NooriyanSoroor1؛ Saeideh Kazemi2؛ Mohammad mahdi Moeini3؛ Zahra nikousefat4 | ||
| 1Mohammad Ebrahim Nooriyan Soroor, Assistant Professor, Animal Science Department, Agriculture Faculty , Razi University, Kermanshah, Iran , Email: menooriyan@razi.ac.ir | ||
| 2Saeide Kazemi, DVM Student, Veterinary Department, Veterinary Faculty, Razi University, Kermanshah, Iran. | ||
| 3Animal Sci Dep Agriculture Faculty Razi Uni Kermanshah | ||
| 4Zahra Nikosefat, Assistant Professor, Veterinary Department, Veterinary Faculty, Razi University, Kermanshah, Iran. | ||
| چکیده [English] | ||
| The aim of this study was to determine the effects of Zn-methionine (Zn-Met) and Zinc sulfate (ZnSo4) supplementation on growth performance, carcass characteristics, serum zinc and copper and zinc concentrations in some tissue i.e. length, weight, internal and external offal items in Sanjabi lambs. All lambs were slaughtered at end of fattening period and biometry of carcass was determined, also zinc concentration in five carcass tissues were analyzed. The results showed that ZnSo4 supplementation reduced dry matter intake, final body weight, carcass weight without fat-tail and carcass length as compared to the control group (P<0.05). The hind leg and fore leg length increased in the Zn-Met group (p=0.001). The Zn concentration of Quadriceps femoris and Longissimus dorsi were not significantly affected by organic and inorganic Zn supplementations, however, pancreas, lounges and heart concentrations of Zn were higher (P<0.01) in organic Zn groups as compared to other groups. The Zn concentration of feces showed that zinc sulfate bioavailability was lower compared to the Zn-Met group (p=0.001). The concentrations of Zn and Cu of serum were not affected by Zn supplementation in treated lambs (P> 0.05). The result of this study showed that zinc sulfate supplementation reduced lams growth and DMI, however feed efficiency ratio was not affect by treatments. The Zn-Met was not affected on growth of lamb, however the lounges and heart Zn concentrations increased. | ||
| کلیدواژه‌ها [English] | ||
| Zinc-Methionine, Zinc Sulfate, Carcass characteristics, Growth, Lamb | ||
| مراجع | ||
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