基于使用数字技术的乳牛养殖养和生殖技术的发展
A Shamshidin1, A Kharzhau1, Dosmukan Gabdullin1
1West Kazakhstan Agrarian and Technical University named after Zhangir khan, Uralsk, Kazakhstan.
Brazilian journal of biology = Revista brasleira de biologia
|November 1, 2023
概括
一种新的维生素和矿物质预混合物提高了奶牛的牛奶产量1.6%,并提高了牛奶质量. 预混合物也影响了奶牛的行为,夏季养期间观察到的避开距离增加.
科学领域:
- 动物科学动物科学
- 乳牛管理 乳牛管理
- 营养生物化学 营养生物化学
背景情况:
- 乳牛的行为和福利受到环境因素和营养的影响.
- 使用视觉模拟量表 (VAS) 系统评估奶牛的行为,可以了解他们的福利和压力水平.
- 优化料配给和补充对于改善乳牛群的牛奶产量和质量至关重要.
研究的目的:
- 在不同季节条件下使用视觉模拟尺度 (VAS) 系统对乳牛的行为进行定性评估.
- 为了评估一种新开发的维生素和矿物质预混合物对奶牛的牛奶产量和牛奶成分的有效性.
- 为了确定农场当前食量与既定规范相比的营养充足度.
主要方法:
- 使用VAS系统进行行为观察,以测量不同季节 (春季,秋季,夏季) 的养地点的避开距离.
- 一种含有特定比例的宏观和微元素 (P,Ca,维生素A,D3,E,Mn,Cu,Zn,I,Se,Co) 的维生素和矿物质预混合物被配制并给一组实验性奶牛用.
- 牛奶产量和化学成分 (脂肪,蛋白质,乳糖) 被监测,并将接受预混合剂的实验组与对照组进行比较.
主要成果:
- 观察到乳牛行为的季节性变化,夏季在养场所的避开距离 (3米) 比春季和秋季 (2米) 大.
- 农场的食量与每头每日12公斤的牛奶产量标准保持一致.
- 与对照组相比,接受维生素和矿物质预混合的奶牛的平均每日牛奶产量 (1.4公斤) 增加了1.6%,牛奶中的脂肪,蛋白质和乳糖含量更高.
结论:
- 开发的维生素和矿物质预混合物对奶牛的生产力产生了积极的影响,导致牛奶产量增加和牛奶质量改善.
- 季节性变化显著影响奶牛的行为,特别是它们在养期间的空间相互作用.
- 该研究强调了定制营养策略的重要性,包括补充必需的维生素和矿物质,以优化乳牛群的表现和福利.
相关概念视频
Cloning of Dolly the Sheep
3.8K
The first successfully cloned mammal was Dolly, a sheep, born on 5th July 1996 at Roslin Institute, Scotland. The cloned sheep was named after the American singer Dolly Parton. Dolly lived for seven years and died of respiratory complications, which is speculated to be due to the actual age of her DNA. Because the DNA in cloned cells belongs to an older individual, the cloned individual’s life expectancy may be affected. Indeed, analysis of Dolly’s DNA revealed shorter...
3.8K
Plant Breeding and Biotechnology
19.0K
Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
19.0K
The Central Dogma
21.8K
The central dogma explains the flow of genetic information from DNA nucleotides to the amino acid sequence of proteins.
RNA is the Missing Link Between DNA and Proteins
In the early 1900s, scientists discovered that DNA stores all the information needed for cellular functions and that proteins perform most of these functions. However, the mechanisms of converting genetic information into functional proteins remained unknown for many years. Initially, it was believed that a single gene is...
RNA is the Missing Link Between DNA and Proteins
In the early 1900s, scientists discovered that DNA stores all the information needed for cellular functions and that proteins perform most of these functions. However, the mechanisms of converting genetic information into functional proteins remained unknown for many years. Initially, it was believed that a single gene is...
21.8K
Recombinant DNA
95.5K
Overview
95.5K
Reproductive Cloning
30.4K
Reproductive cloning is the process of producing a genetically identical copy—a clone—of an entire organism. While clones can be produced by splitting an early embryo—similar to what happens naturally with identical twins—cloning of adult animals is usually done by a process called somatic cell nuclear transfer (SCNT).
Somatic Cell Nuclear Transfer
In SCNT, an egg cell is taken from an animal and its nucleus is removed, creating an enucleated egg. Then a somatic...
Somatic Cell Nuclear Transfer
In SCNT, an egg cell is taken from an animal and its nucleus is removed, creating an enucleated egg. Then a somatic...
30.4K


