搜索结果: 1-15 共查到“养禽学 chickens”相关记录31条 . 查询时间(0.096 秒)
Comparison of Carcass Characteristics, Meat Quality, and Blood Parameters of Slow and Fast Grown Female Broiler Chickens Raised in Organic or Conventional Production System
Female Broiler Carcass Quality Meat Quality Organic Feeds
2016/7/27
The objective of the study was to compare the carcass characteristics, meat quality, and blood parameters of slow and fast grown female broiler chickens fed in organic or conventional production syste...
Effects of the replacement of corn oil with linseed oil on fatty acid composition and the expression of lipogenic genes in broiler chickens
birds performance essential fatty acid
2015/7/2
The effect of dietary 18:2n-6/18:3n-3 ratio (by the replacement of corn oil with linseed oil) on n-3 polyunsaturated fatty acids (PUFA) enrichment in breast muscle of broiler chickens and the expressi...
Differential expression of growth and immunity related genes influenced by in ovo supplementation of amino acids in broiler chickens
in ovo injection critical nutrients growth genes
2015/7/2
The present study was aimed at investigating the role of in ovo administered amino acids: lysine, arginine, threonine or methionine plus cysteine (Met+Cys) in 14-day embryos on expression profile of g...
Effect of melamine and cyanurid acid contaminated diets on blood indicators in broiler chickens
poultry feed level of contaminants
2015/7/2
The effect of melamine and cyanuric acid contaminated diets on basic haematological and biochemical blood indicators in male broiler chickens (Ross 308) was studied. The chickens were divided into 6 e...
Contents of macro- and microelements in blood serum and breast muscle of broiler chickens subjected to different variants of pre-slaughter handling
chickens stress pre-slaughter handling
2015/6/8
This experiment was aimed at determining contents of Ca, Mg, Na, K, P, and Fe in blood serum and breast muscles of broiler chickens COBB 500 subjected to different variants of pre-slaughter handling i...
Effect of preventive application of Enterococcus faecium EF55 on intestinal mucosa during salmonellosis in chickens
Enterococcus faecium Salmonella spp. PCR villi chickens
2015/6/8
In the present study the effect of preventive application of Enterococcus faecium EF 55 on the intestinal mucosa was evaluated in experimentally infected chickens with Salmonella enterica subsp. Enter...
Chemical composition of bone tissue in broiler chickens intended for slaughter
Femur tibiotarsus ash
2015/6/8
Selected parameters characterizing the chemical composition of bones were determined in 60 male and 60 female hybrid Ross 308 chickens aged 40 days at the end of the fattening period. The chickens rec...
Effects of dietary dihydropyridine supplementation on growth performance and lipid metabolism of broiler chickens
dihydropyridine growth performance lipid metabolism lipogenesis, lipolysis broilers
2015/6/8
An experiment was conducted to investigate the effects of dihydropyridine supplementation on growth performance and lipid metabolism of broilers. A total of 480 one-day-old female Arbor Acres broiler ...
The meat quality of layer males from free range in comparison with fast growing chickens
breast meat colour fat overall acceptability
2015/6/8
In chick hatcheries, males of laying hybrids are considered to be 搘aste?and the majority of these males are killed just after hatching. On the other hand, the interest of consumers in products from al...
The effect of dietary selenium sources and levels on performance, selenium content in muscle and glutathione peroxidase activity in broiler chickens
selenium source performance GSH-Px activity broiler cockerels
2015/6/8
The study examined the effect of dietary supplements of sodium selenite (SS), selenium-enriched yeast (Sel-Plex®, SP) and selenium-enriched alga Chlorella (SCH) on growth traits, carcass analysis...
Effects of α - naphthoflavone on body growth and gonad development in chickens (Gallus domesticus)
CYP 19 inhibitor body growth testes
2015/6/1
The aim of this study was to investigate the effects of prolonged oral administration of α -naphthoflavone on somatic and germinal development in male and female chickens (Gallus domesticus). No signi...
The effect of age upon iron retention in cockerels of laying and meat type hybrids was examined within 46 subsequent balance periods. Chickens were fed ad libitum a diet with the content of 312 mg Fe ...
Influence of L-lactic acid on the efficacy of microbial phytase in broiler chickens
phytase L-lactic acid P and N excretion
2015/6/1
Two growth trials and a short-term metabolism trial were conducted in broiler chickens in the period of 22 to 42 days of age in order to evaluate the effects of two dietary levels of L-lactic acid (1....
The use of amaranth grain in diets for broiler chickens and its effect on performance and selected biochemical indicators
plant protein weight feed conversion carcass yield blood biochemistry
2015/6/1
The objective of our experiment was to test the possibility of using amaranth grain, either heat-treated (AO) or without treatment (AN), in vegetable diets for broilers as a substitution for meat-and-...
Addition of a Worm Leachate as Source of Humic Substances in the Drinking Water of Broiler Chickens
Broilers Humic Substances Production Ileal Digestibility Nutrient Balance
2016/5/17
The objective of this research was to evaluate the growth performance, the apparent ileal digestibility of nitrogen and energy, the retention of nutrients and the apparent metabolizable energy correct...