نتایج جستجو برای: repeat breeder
تعداد نتایج: 77010 فیلتر نتایج به سال:
analysis of the internal music in sahifeh sajjadiyyeh hasan khalaf * marziye abad ** seyed hosseyn seyedi *** balasem mohseni **** abstract considering the fact that music is not just specific to poetry but it exists in all literary works, whether poetry or prose, this study attempts to examine the inner function of the music in the sahifah sajadieh. external music is related to the prosodic rh...
mycoplasma synoviae (ms) is an important avian pathogen that can cause both respiratory disease and joint inflammation synovitis in poultry, inducing economic losses to the iranian chicken industry especially breeder farms. the aim of this study was to use the ms specific pcr and culture methods in order to detect of m. synoviae from breeder farms where located in tehran province. a total of 47...
background:avian reoviruses (arvs) are members of theorthoreovirus genus; one of the 12 genera of the reoviridaefamily. the arvs are the cause of some important diseases inpoultry such as reovirus-induced arthritis, tenosynovitis,chronic respiratory disease, and mal-absorption syndrome.objectives: in this study, the presence of arvs in the iranianbreeder flocks was investigated through reverse ...
The French cattle tracing system results from a long evolution, which began in the mid sixties for cattle selection purposes. In addition to its main objective which is cattle tracing and sanitary uses, the system is widely used by many breeder organisations for very different uses: parentage recording, performance recording, herd book keeping, breeding value calculation and animal marketing. T...
Repeatedly bred male and female rats of many strains develop hyperglycemia, hyperlipidemia, hypertension, and arteriosclerosis spontaneously. The intensity of their arterial disease and related metabolic derangements appear to be related to their reproductive activity. Repeatedly bred spontaneously hypertensive rats (SHR) were found to have severe hypertension, hyperglycemia, hyperlipidemia, el...
The influence of timing of artificial insemination on fertility and hatchability of breeder hens was carried out by inseminating breeder hens at 10:00 hr and 15:00 hr with pooled semen from Shikabrown White breeder cocks for four weeks. Fertile eggs were collected two days after the first insemination and stored at a temperature of 16 C for seven days before incubation. Fertility was higher (P ...
Campylobacter and Salmonella are known to cause acute bacterial gastroenteritis in humans. Raw poultry products have been implicated as a significant source of these infections. Five trials were conducted to determine whether Campylobacter and Salmonella spp. exist naturally in the mature and immature ovarian follicles of late-life broiler breeder hens. Broiler breeder hens ranging from 60 to 6...
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