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Studies on in Vitro Fertilization and Micro-Fertilization and Related Issues in Goats
The goat, as a very important farm species, is characterized by fast growth, good adaptability to different environment and wide-range distribution. However, the quality of the goat breeds present in our country needs improvement. It is well....
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Studies on Stereotyped Behavior of Sows and Its Relationship to Opioid Recetpor Genes
Stereotypies are repeated, relatively invariable sequence of movements, which have no obvious purpose and function, often occur in intense husbandry systems. Stereotypies are considered by many scientists as a chronic stress symptom and crit....
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Regulation of AMP-activated Protein Kinase on Lipid Metabolism of Piglet Subjected to Stress
Three experiments were conducted to determine whether AMP-activated protein kinase (AMPK) might involve in energy metabolic response to stress in piglets. On the basis of validating AMPK activity assay procedure, we studied tissue distributi....
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Studies on Isolation, Identification and Biological Activity of Rabbit Sacculus Rotundus Peptides
Stimulated the adult rabbits with bacteria ,10 hours later, killed them and take the sacculus rotundus out, triturated it and boiled for 15 minutes, mixed it with 5% acetic acid for 10 hours in 4 ℃, then centrifuged it and collected the su....
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The SNPs of Chicken UCP Gene are Genetically Associated with Growth & Body Composition Traits
Uncoupling proteins are member of the mitochondrial membrane transporter family, present in the mitochondrial inner membrane that mediate a regulated discharge of the proton gradient that is generated by the respiratory chain and diminishing....
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Studies on Cloning of Chicken Fatty Acid Binding Protein Genes and Their Relationships with Intramusc
In order to screen chicken heart type fatty acid-binding protein (H-FABP) gene genomic DNA library was constructed in A phage. Four positive clones containing chicken H-FABP gene were obtained. Six Chinese local chicken breeds, including Bei....
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Studies on the Characteristic of Quality Chicken Flavor
Nutrition regulation was a potential way to improve poultry meat quality. In this thesis, four experiments were carried out to study the effects of strain, age, and body part on the concentrations of taste compounds and aroma precursors, and....
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Mapping Quantitative Trait Loci (QTLs) Via Genome Scanning in Chicken
Final dissection of the molecular mechanisms underlying economically important traits will be applied in animal breeding programmes to ameliorate the genetic resistance of disease, and to improve production efficiency and product quality. In....
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Releasing Law and Absorption Characteristics of Peptides from Protein Feeds in Gastrointestinal Tract
The releasing law and absorption characteristics of peptides from protein feeds in gastrointestinal tract of chickens were investigated in this paper from following four aspects.1. The methodology of forcefeed was used to investigate peptide....
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Variations of 45W, 14ku and 18ku Genes from Major Species of Taeniidae
Complementary DNAs (cDNAs) of 45W gene, 14ku-and 18ku genes were amplified from total RNA of Taenia solium and other cestodes using reverse transcription polymerase chain reaction (RT-PCR). The agarose gel electrophoresis of the PCR products....
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Studies on the Dynamic Changes of a Few Immune-relating Factors in Rabbit's Wound Healing
Setting up 8 points, the wound healing process of rabbits was studied by using histochemistry and immunohistochemistry methods to observe the changes of neutrophils, fibroblasts and neuropeptides, cytokines, apoptosis factors, and other rela....
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Study on Morphology, Biology, Pathogenicity and Molecular Genetics of Amphimerus Anatis
This paper reports the morphology, life cycle, biology, pathogenicity and molecular geneticsof Amphimerus anatis.1. Life cycleAt water temperature of 17 -23 , eggs exposured to the snail host, Bithynia fuchsianus, the miracidia of A. anatis....
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Studies on Changing Rule of Soil Quality, Adjustment and Control Measures in Larix Olgensis Plantatio
Larix olgensis is main afforestation species in the northeastern China. The soil degradationin in Larix olgensis plantations, to a certain extent, has been found. However, rules and mechanism controlling the soil degradation were not very cl....
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Ecological Functions and Processes in Successive Replanting Stand and Natural Regrowth Following Fall
Chinese fir (Cunninghamia lannceolala) is a fast-growing native Chinese species with valuable timber attributes in subtropical area of southern China. The statistics from the 5th National Forest Resources Inventory showed that the total area....
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Study on Payment Mechanism of Forest Ecological Compensation
Based on ecology, environmental economics, property right theory as well as public sector economics, this dissertation delves into four aspects of payment mechanisms for forest ecological service---the essentials, the compensation payer and....
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Studies on Water Consumption Characteristics of Main Plantation Tree Species in the North of Liupansh
Aiming to solve the contradiction between demand for the extension of forest vegetation and the limited water supply in arid and semi-arid area, the dissertation chose the main afforestation tree species and typical vegetation communities in....
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A Study of Feature Detection of Trees Image and Stereo Matching Technology
As a novel method, the application of stereo vision on forest resources inventory will not only reduce the cost, but also brings even richer information. In this thesis, strategies on stereo measurement suitable for forest environment is dis....
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Ecology Adaptation of Kerria Lacca Kerr.
In this paper, the author studied biology and ecology of Kerria lacca Kerr. with entomological and ecological method under different kinds of climate in Yunnan Province China. The researches are on adaptivity of Kerria lacca to seven differe....
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Moso Bamboo/Chinese Fir Laminated Composite and Its Properties
The Moso bamboo（Phyllostachys pubescens Mazel ex H.de Lebaie）and Chinese fir（Cunninghamia lanceolata（Lamb.）Hook.）, which are abundant in China, were used as experimental materials in this dissertation. The objectives were firstly....
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Studies on Grazing Systems and Sustainable Management of Family Ranch in Desert Steppe
A comparative study was conducted during 2000-2002 with two grazing systems of rotational grazing and free stocking on family ranches in Stipa breviflora desert steppe. Evaluations on the aspects of plant population, community, animal grazin....
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Oligosaccharides Function and Effect on Weaning Piglet Performance as Well as Non-Specific Immunity
The effect of three oligosaccharides on weaning piglet's performance and non-specific immunity were examined in mis trial. Duroc×Landrace × Harbin white piglets from 15 litters at similar age were randomly grouped to 5 and another 1 litter....
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Studies on Roles of Borax as Urease Inhibitor in Sheep
The roles of borax as urease in sheep were studied and contrasted to acetohydroxamate (AHA) in vitro and in vivo. Effect of AHA, Borax, Hydroquinone (HQ) and catechol (CAT) on soybean urease and rumen microbial urease were investigated in vi....
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Studies on Microorganism Detoxifying Castor Bean Meal and Effect of Feeding Detoxified Castor Bean Me
The paper studied that the separation, purification, identification of ricinine and allergen in Castor bean meal (CBM), the measurement method of ricinine content in CBM, the separation, culture and primary identification of microorganism, d....
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The Processing of Peptide and Its Effect on the Performance of Broiders
Five experiments were conducted to investigate the peptide processing and the effect of peptide on the growth performance of broilers.Experiment 1 the processing of peptide in labThe experiment was carried out in vitro to evaluate the effect....
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Effects and Mechanism of Earthworm and Lactobacillus (L4) on the Odorous Compounds in Pig Slurry & It
In this experiment, effect of lactobacillus (Streptococcus lactic) and earthworm (Eisenia fetidd) supplemented in pig feed on the odorous compounds and pig immunity, and effects of lactobacillus, vermicompost, and cattle feces on the odorous....
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Gene Cloning, Expression and Activities Analysis of Follicle Stimulating Hormone of Cervus Nippon
Follicle stimulating hormone (FSH) had been used widespreadly on superrovulation and artificial fertilization in propagation of cattle,sheep.FSH can be obtained by several techniques.One of them was by purifying urine from menopausal women a....
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Studies on Multiple Expression System and Vaccination of S Gene from Isolate TH-98 of Porcine Transmi
Porcine transmissible gastroenteritis virus (TGEV) belongs to the family coronaviridae. The virus causes transmissible gastroenteritis (TGE) in all kinds and ages of pigs. Particularly, its mortality in pigs under 1 to 2 week old may reach 1....
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Effect of NDV La Sota and V4 Strains on Chicken T Cell Subpopulations and Comparison of Immunodominan
La Sola strain and V4 strain of Newcastle disease (ND) virus (NDV) has been widely used in many countries. There were many differences between immunogenicity of the two vaccine strains when they were used. In order to clarify the differences....
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Studies on Character of Inclusion Body Hepatitis Virus and Effection of Tumor Necrosis Factor α in C
Inclusion body hepatitis (IBH) is caused by several serotypes of avian adenovirus. It is first reported by Helmboldt and Frazier in the United States IBH was subsequently reported in broiler flocks in the countries. In recent years, IBH was....
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Study on Chinese Herb Medicine of Anti-Avian Influenza Virus and Variation of M2 Gene Induced by Aman
Avian influenza(AI) is an infection disease by type A influenza virus, and it is classified Ginfection disease by O.I.E. It is great economic loss in poultry industry. The great characteristics of the highly pathogenic avian influenza is hig....