نتایج جستجو برای: including: fattening system (fs1: feedlot following weaning
تعداد نتایج: 3484655 فیلتر نتایج به سال:
the present study was conducted to investigate effect of the fattening system and the duration of the fattening period on growth performance and carcass composition. in lori bakhtiary male lambs. sixty lambs were assigned to a factorial experiment of a completely randomized design comprised of two factors, including: fattening system (fs1: feedlot following weaning, and fs2: grazing on pasture ...
growth rate of 60 lori-bakhtiari single male lambs were assigned to a completely randomized design with two factors. the factors were tail status (with and without fat tail) and fattening period ( 75,90, 105 days). lambs were alternately docked by the use of rubber rings at the begining of the second day of birth. lambs were weaned at 90±5 days of age and randomly divided into three groups...
Growth rate of 60 Lori-Bakhtiari single male lambs were assigned to a completely randomized design with two factors. The factors were tail status (with and without fat tail) and fattening period ( 75,90, 105 days). Lambs were alternately docked by the use of rubber rings at the begining of the second day of birth. Lambs were weaned at 90±5 days of age and randomly divided into three groups...
this experiment was conducted using 172 male lambs of ghezel and mehraban breeds for two periods of 60 and 80 days. two systems of fattening were studied. the first group of lambs entered feedlot boxes immediately after weaning (spring) but the second group being fed on pasture, entered the experiment approximately 4 months later (autumn). fattening periods were 60 and 80 days. the average wean...
This study was conducted to compare the feedlot performance and growth traits of Lori-Bakhtiari (n=39), Romanov × Lori-Bakhtiari (n=38) and Pakistani × Lori-Bakhtiari crossbred (n=12) lambs during two consecutive years. Lambs were weaned at the age of 90 ± 5 days. After weaning and preliminary fattening period, three groups of lambs were fattened for 90 days in the same conditions. The resul...
Three fattening systems were evaluated from weaning to slaughter in order to find alternatives to grain feeding in young bulls, and to test the reliability of carcass subcutaneous fat colour to discriminate among them. After weaning (224 kg), one group of animals was fed concentrates and straw until they reached the target slaughter weight (450 kg; Feedlot), another group grazed rotationally on...
effect of two fattening systems were studied on feedlot performance and carcass characteristics of using of 66 fars native male kids in different ages. six kids were slaughtered at the first day of experiment and sixty kids were divided into two groups. the first group were kept in feedlot in individual pens and the second group grazed on rangeland, and after 3 months, were kept in feedlot in i...
The aim of the study was presentation the differences in piglets sex proportion in litter and its effect weaning and fattening results. The study was carried out on 133 piglets belonging to 10 litters being progeny of PLW breeding sows and PL boars. Individual piglets growth rate from 1 to 28 day and also during fattening period were recorded. Obtained results were statisticaly analysed includi...
supplementation scenarios. Introduction Backgrounding of cattle is generally utilized to prepare the calf for subsequent segments of the beef cattle industry. Cravey (1996) suggested that backgrounded calves may demonstrate greater feedlot profitability as a result of greater feedlot ADG, gain:feed, decreased medicinal cost and mortality compared to nonbackgrounded cattle. Step et al. (2008) in...
The expansion of export demand for sheep meats has led to a resurgance of interest by producers in short term feedlot systems of fattening for sheep and lambs. Apart from the cost of rations, the incidence of disease and metabolic disorders is an important determinant of profitability. This paper describes a feedlot experiment at Hamilton during which an outbreak of polioencephalomalacia (PEM) ...
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