نتایج جستجو برای: libitum where feed intake
تعداد نتایج: 952364 فیلتر نتایج به سال:
This study evaluated the effect of dietary supplementation of microbially-fermented spent mushroom substrates (MFSMS) on weight gain, carcass characteristics, and economic efficiency of Hanwoo steers. Highly cellulolytic bacteria (Enterobacter spp. and Bacillus spp.) isolated from spent mushroom substrates (SMS) stacks were inoculated (1% v/v) into the SMS, which was anaerobically fermented and...
A study was conducted to investigate the effects of methods of feeding a total mixed ration (TMR) on behavior patterns of growing Hanwoo steers. A total of 15 growing steers (13 months old) were assigned to the control (fed roughage and concentrate mix separately), TMR1 (fed restricted TMR), and TMR2 (fed TMR ad libitum) groups. Individual behaviors of steers were observed for 48 hours. Compare...
Abstract The experiment studied the effects of different levels Rumex patientia spp. leaf powder inclusion in laying hens’ diets on their physical parameters and yolk color intensity. study was conducted 168 Hy-line hens (30 weeks aged), assigned 3 treatment groups (C, E1 E2) housed an experimental hall equipped with Big Dutchman cages, placed tiers digestibility cages (3 treatments × 28 replic...
Male C57BL/6 mice fed ad libitum on control diet but allowed access to a palatable high fat diet (HFD) for 2 h a day during the mid-dark phase rapidly adapt their feeding behaviour and can consume nearly 80% of their daily caloric intake during this 2 h-scheduled feed. We assessed food intake microstructure and meal pattern, and locomotor activity and rearing as markers of food anticipatory act...
This study was conducted to evaluate the effect of varying levels of urea treated and untreated cowpea husk on the performance of weaned rabbit. Sixteen (16) breed weaner rabbits of both sexes, 6-8 weeks old with an average initial weight of 833g were randomly distributed to four dietary treatments with 4 rabbits per treatment. The experiment lasted for a period of six weeks. Two diets were for...
The serotonergic system has been shown to be implicated in the regulation of mood and feeding behavior. Previous studies have identified a polymorphism in the 5'-flanking region of the serotonin transporter ( 5 - HTT ) gene of Lohmann Brown (LB) laying hens. The deleted variant D was found to be associated with increased body weight. The objective of this study was to address whether the increa...
With modern lean gilts there is considerable evidence to suggest that such gilts should be fed ad libitum from the time of selection until they are bred at their second or third estrus. Pregnant gilts should not be fed high levels (in excess of 2.5 kg/day) in early gestation. For sows that have lost considerable weight (in excess of 15 kg) during lactation, high levels of feeding in early gesta...
The current study evaluated effects of hatch moment and immediate feed and water access within a 24-h hatch window on chicken growth and development. Five hundred four male chickens obtained from a 49-wk-old Ross 308 breeder flock were assigned to 72 cages based on hatching moment (early, midterm, or late; selected during periods of 475 to 481, 483 to 487, and 489 to 493 h after onset of incuba...
The purpose of this research was to assess the efficiency monosodium glutamate (MSG) as growth promoter in broiler chicken production. study evaluated effect varying concentrations MSG drinking water chickens on their performance, carcass characteristics and caecal Escherichia coli population. Ninety (90) chicks at 21 days age were randomly selected assigned 5 treatment groups (0g/L, 2g/L, 3g/L...
BACKGROUND Alternate day fasting (ADF; ad libitum intake "feed day" alternated with 75% restriction "fast day"), is effective for weight loss, but the safety of the diet has been questioned. Accordingly, this study examined occurrences of adverse events and eating disorder symptoms during ADF. FINDINGS Obese subjects (n = 59) participated in an 8-week ADF protocol where food was provided on t...
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