Animal · 21 articles
The cow is the central element of productive livestock farming, determining farm efficiency through milk and meat productivity indicators. For an agronomist and an agricultural specialist, a deep understanding of the biological characteristics of livestock, breeding principles, and conformation assessment methods allows for the development of a sound breeding strategy. Knowledge of animal physiology, including the mechanisms behind the onset of mammary gland diseases, is essential for maintaining herd health and ensuring stable product quality at all stages of production.
This compilation includes materials covering key aspects of working with cattle. Readers will find practical guides on formulating and analyzing rations, classifying feed, and methods for milk quality control. The articles contain detailed methodologies for assessing the productivity and conformation of animals, as well as the technological foundations of beef cattle farming. The information presented will help systematize knowledge regarding the nutrition of lactating cows and the organization of efficient herd management, ensuring a scientific approach to running a modern livestock farm.
Livestock For students
The article presents practical methods for assessing dairy cattle productivity. Readers will learn how to calculate lactation indicators, plot milk yield curves, and determine the weight of marketable milk to evaluate the economic efficiency of production
Livestock For students
The article examines the fundamental principles of selection based on the effective choice and mating of pedigree livestock animals. Readers will become familiar with purebred breeding, crossbreeding, and hybridization methods to improve the productivity of the herd
Livestock For students
The article examines the principles of balanced feeding for livestock animals and the basic requirements for calculating diets. The reader will become familiar with the specifics of working with monogastric and ruminant animals, as well as the factorial method for determining their requirements for energy and nutrients
Livestock For students
The material examines methods for accounting productivity and controlling milk quality. You will learn about sampling rules, principles of milking equipment operation, and methodologies for evaluating the chemical composition of milk for the production of competitive products
Livestock For students
The article presents a selection of exemplary feeding rations for lactating cows with a live weight of 600 kg. The data are structured by lactation periods and include a detailed feed composition, dry matter content, metabolizable energy, and nutrients in accordance with established standards
Livestock For students
The article describes methods for visual assessment of livestock body condition, allowing for the determination of their economic purpose. The material presents comparative characteristics of dairy and meat productivity types and data on the number of criteria used in animal appraisal
Livestock For students
The article examines in vivo and post-slaughter methods for assessing meat productivity. You will learn about growth rates, regulations for pre-slaughter holding, and criteria for carcass quality of livestock animals
Livestock For students
The article presents detailed data on the milk productivity of Holstein and Ayrshire cattle. It provides indicators of fat and protein content, as well as daily milk yields, reflecting the lactation dynamics of the studied animals
Greenhouses and covers For gardeners
For high-quality vegetable cultivation in hotbeds, it is necessary to maintain a temperature between 20 and 30 °C. The article provides an overview of organic raw materials for biofuel and characteristics of various materials ensuring long-term soil heating
Veterinary medicine For students
Mastitis is a serious inflammatory disease of the mammary gland leading to a decrease in livestock productivity. The article examines sources of infection, triggering factors and the existing classification of the disease forms
Livestock For students
The article examines the main types of feed used in livestock farming, including the classification of compound feed, balancing additives, and the role of water in the nutritional value of rations. The material will help to understand the composition and purpose of modern feed products
Planting and propagation For agronomists
The article examines the criteria for biological compatibility of grafting components in pomiculture. The authors analyze the nature of incompatibility and prove that botanical proximity of cultivars is not the sole guarantee of successful union.
