Assessment of Phosphorus Levels in Small Ruminants as Affected by Summer and Winter

查看全文 作　　者：Ansar [1]Mahmood;Dr.Asma [1]Hassan;Iram [2]Maqsood;Tang Li-[2]jie;Syed Mohsin [2]Bukhari;Khalil-Ur-[2]Rehman;and Shahla [2]Andleeb 机构地区：[1]Department of Wildlife and Fisheries, Government College University;[2]College of Veterinary Medicine, Northeast Agricultural University 出　　处：《Journal of Northeast Agricultural University(English Edition)》索引2014年第21卷第1期,共7页 基　　金：Supported by G.C University Faisalabad 摘　　要：An experiment was carried out to assess the phosphorus status of free grazing goats at Faisalabad,Pakistan.Samples were collected fortnightly during summer and winter seasons of 2010 from soil and plants.The highest(118±0.54 mg·kg-1)levels of feces phosphorus were recorded in lactating goats during winter and(9.87±0.99 mg·kg-1)in urine of male during winter.Similarly maximum(71.0±0.88 mg·kg-1)phosphorus concentration was observed in the plasma of lactating animals.Milk contained(31.0±0.36)mg·L-1 in winter while during the months of summer the highest values recorded in forages,soils,canal and tube well waters were(755±1.98)mg·kg-1,(785±4.98)mg·kg-1,(0.97±8.78)mg·L-1 and(4.12±0.55)mg·L-1,respectively.It was revealed from the current results that fecal matter,forage,milk,tube well and canal water contained lower amounts of P,while P levels in blood plasma was found within the critical limits.Therefore,phosphorus supplementations were required in the area under experimentation to meet the requirements of the animals for their normal growth. 关 键 词：PHOSPHORUS GOAT NUTRIENTS fece fortnight SEASON