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ارتباط مزاج با عملکرد، شاخص های بدنی و برخی فراسنجه های خونی گوساله های سیستانی | ||
| علوم دامی | ||
| مقاله 19، دوره 31، شماره 118، خرداد 1397، صفحه 225-234 اصل مقاله (880.35 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/asj.2017.110199.1482 | ||
| نویسندگان | ||
| مرتضی کیخاصابر1؛ مصطفی یوسف الهی* 2؛ حمیدرضا میرزایی3؛ محمد رکوعی4؛ محمدرضا دهقانی5 | ||
| 1دانشجوی دکترای دانشگاه زابل | ||
| 2دانشیار گروه علوم دامی دانشگاه زابل. | ||
| 3دانشیار دانشگاه پیام نور مشهد | ||
| 4دانشیار گروه علوم دامی دانشگاه زابل | ||
| 5استادیار گروه علوم دامی دانشگاه زابل | ||
| چکیده | ||
| بهمنظور بررسی ارتباط بین مزاج گوسالهها در زمان ازشیرگیری، با عملکرد، تیپ بدن و برخی فراسنجههای خونی، از 43 رأس گوساله(19 ماده و 24 نر) از توده گاو سیستانی استفاده شد. هنگام ازشیرگیری با انجام روشهای، امتیاز آغل، امتیاز راهرو و امتیاز جایگاه مهار ، آزمون مزاج انجام شد. گوسالهها به سه گروه آرام، متوسط و تندمزاج تقسیم شدند. شاخصهای اندازهگیری شده شامل دمای بدن، ضربان قلب، طول دست، طول کمر، اندازه دم، دور قفسه سینه، قطر ساق دست و پا، اندازه پیشانی و گوش و همچنین غلظت گلوکز، پروتئین کل، کراتینین، تریگلیسرید، انسولین، HDL ، LDL، T3 و T4 در سرم بود. نتایج تجزیه و تحلیل آماری بوسیله نرم افزار R-3.3.2 نشان داد، سرعت رشد و ضریب تبدیل در گوسالههای آرام بهتر از دو گروه دیگر بود(05/0P<). در گروه آرام، ضربان قلب نسبت به دو گروه دیگر و دمای بدن نسبت به گروه تندمزاج کمتر بود(050/0>P). طول پیشانی، گوش، کمر، اندازه دست، قطرساق دست و ساق پا در گروه آرام بیشتر از گروه تند مزاج بود(05/0P<). غلظت انسولین سرم گروه آرام بیشتر از گروه تندمزاج بود(05/0P<). تریگلیسرید، HDL، LDL و گلوکز در گروه آرام کمتر از گروه تندمزاج بود(05/0P< ). این نتایج نشان داد، توجه به نوع رفتار دام در برنامههای اصلاح نژادی و انتخاب، ممکن است بتواند در بلند مدت کمک قابل توجهی در افزایش بهرهوری دامها کند. | ||
| کلیدواژهها | ||
| افزایش وزن؛ تیپ بدن؛ گوساله؛ مزاج | ||
| عنوان مقاله [English] | ||
| Relationship of temperament with performance, body shape indices and some blood parameters in Sistani calves | ||
| نویسندگان [English] | ||
| mortaza keykhasaber1؛ mostafa yousofelahi2؛ hamidreza mirzaei3؛ Mohammad Rokouei4؛ mohamadreza dahghani5 | ||
| 1sistan agriculture and natural resources research and education center | ||
| 2Associate Professor of Animal Science Department of Zabol University | ||
| 3Associate Professor of Payame Noor University | ||
| 4Faculty Member of Animal Science Department and Bioinformatics Department of Zabol University | ||
| 5Department of Animal Science, Faculty of Agriculture, University of Zabol | ||
| چکیده [English] | ||
| In this study 43 calves (19 female and 24 male) from pure sistani cattle population were used in order to study the relationship between the calves' temperament at weaning time with performance, body type and some blood parameters. At weaning time, temperament was determined by using Pen Scores, Exit score and Chute Score methods. Calves were divided into three groups: calm, moderate and temperamental. The measured parameters included body temperature, heart rate, hand length, waist length, tail size, round the chest, the diameter of the hand and leg, forehead and the ear size as well as the concentration of glucose, total protein, creatinine, triglyceride, insulin, HDL, LDL, T3 and T4 in the serum. Statistical analysis of the results with R-3.3.2 software showed better growth rate and conversion coefficient in calm calves compared with other moderate and temperamental groups (P<0.05). The heart rate in calm group was lower than in other two groups (P <0.05) while the body temperature in calm group was lower than in temperamental group (P <0.05). Moreover, the size of forehead, ear, waist, hand, hand and leg diameters in calm group was more than in temperamental group (P<0.05) and the concentration of serum insulin in the calm group was higher than that in temperamental group (P<0.05). Triglyceride, HDL, LDL, and glucose were lower in the calm group compared to temperamental group (P<0.05). These results revealed that attention to behavior in breeding programs and selection, may be of considerable help in increasing livestock productivity in the long time. | ||
| کلیدواژهها [English] | ||
| body shape, calf, temperament, weight gain | ||
| مراجع | ||
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