問題一覧
1
What is the term for the proportion of phenotypic variance in a population that is attributable to genetic variance, and which also influences the selection response in breeding programs?
Broad-sense heritability
Genetic correlation
Narrow-sense heritability
Additive genetic variance
Environmental variance
Narrow-sense heritability
2
Which reproductive technology has been shown to significantly improve the genetic progress in livestock by allowing for the selection of superior sires?
Artificial insemination (AI)
Natural mating
Embryo transfer
In vitro fertilization (IVF)
Synchronization of estrus
e
3
Which of the following practices is considered most controversial regarding animal welfare in modern livestock production?
Free-range housing
Genetic selection for enhanced traits
Use of antibiotics for growth promotion
Tail docking in sheep
Providing environmental enrichment
u
4
In animal nutrition, which of the following factors is considered most critical when formulating diets for high-producing dairy cows?
Energy density
Fiber content
Protein source
Mineral balance
Vitamin supplementation
e
5
What is the primary physiological mechanism by which ruminants digest fibrous plant material, and how does it differ from monogastric animals?
Fermentation in the cecum
Enzymatic digestion in the stomach
Microbial fermentation in the rumen
Absorption through the intestines
Chewing and swallowing
m
6
Recently, which of the following technologies is being primarily utilized to enhance livestock productivity and sustainability in response to climate change?
Traditional crossbreeding
CRISPR gene editing
Hormonal growth promoters
Conventional vaccination
Organic farming practices
cr
7
Which of the following genetic markers is most commonly used in animal breeding to improve traits such as disease resistance and growth rate?
SNP (Single Nucleotide Polymorphism)
SSR (Simple Sequence Repeat)
AFLP (Amplified Fragment Length Polymorphism)
RFLP (Restriction Fragment Length Polymorphism)
QTL (Quantitative Trait Loci)
Marker Assisted Selection (MAS)
m
8
Statement A: Crude Protein is for Weende Methods. Statement B: Crude Fiber is for Kjeldhal methods.
Statement A and B are correct
Statement A and B are incorrect
Statement A is correct and B is incorrect
Statement A is incorrect and B is correct
1,2,3,4 ra ang i answer
2
9
Statement A: Corn, Rice and Barley are classified as energy source. Statement B: Animal concentrates are source of proteins.
Statement A and B are correct
Statement A and B are incorrect
Statement A is correct and B is incorrect
Statement A is incorrect and B is correct
1234 rag ianswer
1
10
An adult male duck used for breeding purposes.
drake
11
It is the primary site of embryonic development during gestation, providing a protective and nutrient-rich environment for the growing fetus. After fertilization, the embryo implants into the thickened endometrium, where it forms the placenta to facilitate nutrient and waste exchange with the mother. Throughout pregnancy, the uterus undergoes changes to support fetal growth and prepares for labor by contracting to expel the baby during childbirth.
uterus
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CS 1
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Fruits
26問 • 1年前問題一覧
1
What is the term for the proportion of phenotypic variance in a population that is attributable to genetic variance, and which also influences the selection response in breeding programs?
Broad-sense heritability
Genetic correlation
Narrow-sense heritability
Additive genetic variance
Environmental variance
Narrow-sense heritability
2
Which reproductive technology has been shown to significantly improve the genetic progress in livestock by allowing for the selection of superior sires?
Artificial insemination (AI)
Natural mating
Embryo transfer
In vitro fertilization (IVF)
Synchronization of estrus
e
3
Which of the following practices is considered most controversial regarding animal welfare in modern livestock production?
Free-range housing
Genetic selection for enhanced traits
Use of antibiotics for growth promotion
Tail docking in sheep
Providing environmental enrichment
u
4
In animal nutrition, which of the following factors is considered most critical when formulating diets for high-producing dairy cows?
Energy density
Fiber content
Protein source
Mineral balance
Vitamin supplementation
e
5
What is the primary physiological mechanism by which ruminants digest fibrous plant material, and how does it differ from monogastric animals?
Fermentation in the cecum
Enzymatic digestion in the stomach
Microbial fermentation in the rumen
Absorption through the intestines
Chewing and swallowing
m
6
Recently, which of the following technologies is being primarily utilized to enhance livestock productivity and sustainability in response to climate change?
Traditional crossbreeding
CRISPR gene editing
Hormonal growth promoters
Conventional vaccination
Organic farming practices
cr
7
Which of the following genetic markers is most commonly used in animal breeding to improve traits such as disease resistance and growth rate?
SNP (Single Nucleotide Polymorphism)
SSR (Simple Sequence Repeat)
AFLP (Amplified Fragment Length Polymorphism)
RFLP (Restriction Fragment Length Polymorphism)
QTL (Quantitative Trait Loci)
Marker Assisted Selection (MAS)
m
8
Statement A: Crude Protein is for Weende Methods. Statement B: Crude Fiber is for Kjeldhal methods.
Statement A and B are correct
Statement A and B are incorrect
Statement A is correct and B is incorrect
Statement A is incorrect and B is correct
1,2,3,4 ra ang i answer
2
9
Statement A: Corn, Rice and Barley are classified as energy source. Statement B: Animal concentrates are source of proteins.
Statement A and B are correct
Statement A and B are incorrect
Statement A is correct and B is incorrect
Statement A is incorrect and B is correct
1234 rag ianswer
1
10
An adult male duck used for breeding purposes.
drake
11
It is the primary site of embryonic development during gestation, providing a protective and nutrient-rich environment for the growing fetus. After fertilization, the embryo implants into the thickened endometrium, where it forms the placenta to facilitate nutrient and waste exchange with the mother. Throughout pregnancy, the uterus undergoes changes to support fetal growth and prepares for labor by contracting to expel the baby during childbirth.
uterus