搜索结果: 136-147 共查到“农学 Hens”相关记录147条 . 查询时间(0.049 秒)
DRY BIOMASS OF FRESH WATER ALGAE OF CHLORELLA GENUS IN THE COMBINED FORAGES FOR LAYING HENS
Chlorella hen feeding egg qualities
<
2010/12/2
Dry biomass of algae is a good source of nutrients and biologically active substances, which in the last years attracted the interest of the specialists in their search for natural, ecologically and h...
Nutrition Practice to Alleviate the Adverse Effects of Stress on Laying Performance, Metabolic Profile and Egg Quality in Peak Producing Hens: II. The Probiotic Supplementation
Cage Density Probiotic Laying Performance Metabolic Profile Egg Quality Peak-producing Hens
<
2016/4/20
In this experiment, the effects of cage density (CD) and probiotic supplementation (PS) on laying performance, metabolic profile, and egg quality in peak-producing hens were evaluated. After blocking ...
Nutrition Practice to Alleviate the Adverse Effects of Stress on Laying Performance, Metabolic Profile, and Egg Quality in Peak Producing Hens: I. The Humate Supplementation
Cage Density Humate Laying Performance Metabolic Profile Egg Quality Peak-producing Hens
<
2016/4/20
This experiment was conducted to determine the effects of cage density (CD) and humate supplementation (HS) on laying performance, metabolic profile, and egg quality during the peak production period ...
Influence of Feeding β-Cyclodextrin to Laying Hens on the Egg Production and Cholesterol Content of Egg Yolk
Egg Production Egg Yolk Egg Quality Cholesterol
<
2016/4/19
The main objective of the present study was to determine the effect of dietary β-cyclodextrin (β-CD) on egg laying performance and cholesterol content of egg yolk. Feed intake, egg production and egg ...
Relationship between Intersequence Pauses, Laying Persistency and Concentration of Prolactin during the Productive Period in White Leghorn Hens
Bromocriptine Inter Sequence Pauses Ovulatory Sequences Oral Feeding Prolactin White Leghorn
<
2016/4/19
Prolactin is considered to influence the taking of pauses in between ovulatory sequences in White Leghorn hens. Therefore modulating concentrations of prolactin using bromocriptine - a dopamine agonis...
Effects of Dietary Vitamins C and E on Egg Shell Quality of Broiler Breeder Hens Exposed to Heat Stress
Vitamin C Vitamin E Egg Shell Quality Heat Stress H/L Ratios Broiler Breeder Hen
<
2016/4/19
A feeding trial was conducted to determine whether dietary vitamin C (200 mg/kg) and vitamin E (250 mg/kg) prevent any drops in egg shell quality under heat stress in broiler breeder hens. One hundred...
Effect of Supplementary Dietary L-carnitine and Yeast Chromium on Lipid Metabolism of Laying Hens
Laying Hens Yeast Chromium L-carnitine Lipid Metabolism Synergic Effect
<
2016/4/18
There was no side effect on production performance of laying hens while chromium or (and) L-carnitine reduced liver lipid, abdominal fat and egg yolk cholesterol.
Enrichment of Vitamins D3, K and Iron in Eggs of Laying Hens
Egg Vitamin D3 Vitamin K Iron Fe-methionine
<
2016/4/18
An experiment was conducted to produce eggs enriched with vitamins D3, K and iron in eggs. Six hundred 97-wk-old ISA Brown force molted hens were allocated to completely randomized block arrangement o...
Production of Iron Enriched Eggs of Laying Hens
Egg Iron Iron-methionine Chelate Eggshell Color Eggshell Strength
<
2016/4/18
An experiment was conducted to investigate the efficiency of transfer of dietary iron sources to eggs of laying hens. Eighty ISA-Brown laying birds of 30 wk old were housed in 40 cages of 2 birds each...
Effect of Claw Abrasives in Cages on Claw Condition, Feather Cover and Mortality of Laying Hens
Laying Hens Claw Abrasives Mortality
<
2016/4/18
A trial was conducted to determine the effect of abrasive strips and abrasive paint in layer cages on claw length and claw sharpness, foot condition, feather cover and mortality of hens. During the pr...
Effects of Feeding Dried Leftover Food on Productivity of Laying Hens
Laying Hens Dried Leftover Food Feed Conversion Egg Production Yolk Cholesterol
<
2016/4/15
This experiment was conducted to investigate the effects of different levels of dried leftover food (DLF) in the diet on feed utilization and egg-laying performance of hens. One hundred sixty-eight, 1...
The Role of Magnesium and Calcium in Eggshell Formation in Tsaiya Ducks and Leghorn Hens
Calcium Magnesium Eggshell Tsaiya Duck Leghorn Hen
<
2016/4/12
Tsaiya ducks and Leghorn hens are the two major laying birds raised in Taiwan. They are all excellent egg layers. Tsaiya ducks are small in body size (1.3 kg) with bigger egg weight (65 g) and stronge...