منابع مشابه
Does growth rate determine the rate of metabolism in shorebird chicks living in the Arctic?
We measured resting and peak metabolic rates (RMR and PMR, respectively) during development of chicks of seven species of shorebirds: least sandpiper (Calidris minutilla; adult mass 20-22 g), dunlin (Calidris alpina; 56-62 g), lesser yellowlegs (Tringa flavipes; 88-92 g), short-billed dowitcher (Limnodromus griseus; 85-112 g), lesser golden plover (Pluvialis dominicana; 150-156 g), Hudsonian go...
متن کامل: the effect of sericin levels (silk glue protein) on rate of in vitro maturation, fertilization and culture of sheep oocytes
هدف از آزمایش اول بررسی اثر سطوح مختلف سریسین [0 (control), 0.1, 0.5, 1.0, 2.5 %] افزوده شده به محیط , ivm بر cumulus cell expansion، بلوغ هسته و توسعه متوالی جنین، در گوسفندان نژاد سنجابی در فصل تولید مثلی می باشد. از سرگیری میوز به وسیله خارج شدن اولین پولار بادی اندازه گیری و هم چنین درصد رسیدن جنین های دو سلولی به مرحله کلیواژ و بلاستوسیت نیز به عنوان نشانه ای از میزان شایستگی توسعه اولیه ج...
Feeding Practices, Growth Rate and Management of Ostrich Chicks in Sudan
Seventeen male Ostrich chicks (Ostruiothio, Camelus camelus) aged one month old were brought from Radom National Park to the research farm of University of Nyala, both in Sudan, and reared indoor, concentrate rations were formulated and provided ad-libitum and water equally supplied. During the study period, chick behaviour were observed, body weight gained (g/day), feed intake (g/day), water c...
متن کاملHelpers increase daily survival rate of Southern Lapwing (Vanellus chilensis) nests during the incubation stage
Cooperative breeding is characterized by reproduction in the presence of helpers. The impact that these helpers have on the reproductive success of group members is one of the long-standing questions in cooperative breeding literature. In several cooperative species, helpers are known to provide benefits during different stages of the reproductive cycle. The aim of this study was to investigate...
متن کاملEffects of chicory root powder on growth performance and histomorphometry of jejunum in broiler chicks
In the present study, chicory root powder (CRP) as growth promoter at 1% and 3% levels was supplemented in broilers’ diet to investigate the growth performance and histo-morphometry of jejunum. One hundred twenty, one-day-old male broilers were used in a completely randomized design (CRD) with 3 treatments and 4 replicates (10 chicks per replicate). At the end of each period (0-10, 11-...
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ژورنال
عنوان ژورنال: Bird Study
سال: 1958
ISSN: 0006-3657,1944-6705
DOI: 10.1080/00063655809475900