نتایج جستجو برای: keeping and breeding livestock and poultry
تعداد نتایج: 16845193 فیلتر نتایج به سال:
after test and review results and analysis of farm data, the following results were obtained. the review examined farms was done and the results obtained in this study was to determine the effectiveness of vaccines hatchpak avinew (frozen) and hatchpak ib h120 with spray in broilers a day in factories incubation and at least,they can be as vaccines avinew and bioral h120 ability to create saf...
the present study was carried on to investigate the use of face-keeping strategies in reaction to complaints by male and female in two different cultures, persian and american english. to see if apology strategies are affected by cultural, contextual preferences and gender of interlocutors in two distinct languages of persian and american english. the hypotheses to be tested were 1) ifids, acce...
Crossbreeding has been the breeding method of choice for several species in plants and livestock. In plants, the main reason for crossbreeding is to exploit heterosis effects which can be maximized via the use of highly inbred parental strains. In livestock, notably in poultry and swine, positional effects of pure-bred parents of crosses are well known and hence crossbreeding systems are set up...
The private sector is playing an increasingly important role in livestock genetic improvement. Specialized breeding firms now supply virtually all commercial poultry breeding stock and growing market shares of improved genetic material for swine, beef, and dairy cattle. This article examines how incentives for private investment in livestock breeding are affected by consumer demand, market stru...
BACKGROUND Trade in live animals can contribute to the introduction of exotic diseases, the maintenance and spread endemic diseases. Annually millions of animals are moved across Europe for the purposes of breeding, fattening and slaughter. Data on the number of animals moved were obtained from the Directorate General Sanco (DG Sanco) for 2011. These were converted to livestock units to enable ...
The goal of any livestock breeding programme is to earn a return on investment and help their clients be more profitable. Success depends on efficiency of the breeding programme and its ability to supply genetically superior stock on a continuous basis to customers. To make this work availability of accurate information for making timely breeding decisions is key. Data collection and analysis i...
abstract poor reading comprehension can result in failure in using references, benefiting from professional gatherings and resources, keeping up with the growing body of knowledge in the virtual world of the internet, and failing to achieve in efl programs. the purpose of the present quasi-experimental study was to explore the effects of background knowledge and previewing narrative and expos...
1. to determine whether difference in birth body mass influenced growth performance in pipistrellus kuhlii we studied a total of 12 captive-born neonates. bats were assigned to two body mass groups: light birth body mass (lbw: 0.89 ± 0.05, n=8) and heavy birth body mass (hbw: 1.35 ± 0.08, n=4). heavier body mass at birth was associated with rapid postnatal growth (body mass and forearm length) ...
the main purpose of this survey was to identify and analyze the barriers in women’s economic participation in the rural regions of the zanjan province. the study was an analytical- explanatory research regarding its method. the statistical population of the study were consisted of all the rural women in the abhar-rod rural district (n= 1300). according to the krejcie and morgan table, a sample ...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید