This study was conducted to examine the effect of Carbaryl and Zinc on body weight and behaviour of broiler chicks. It deals with pesticides and heavy metals which are of great impotance for pest control in agriculture, various diseases in poultry and for growth in poultry simultaneously. Carbaryl, a carbamate insecticide, is used in poultry industry for destroying and preventing the pest and vectors for various animal diseases. Carbaryl inhibits the acetylcholinesterase (AChE) activity in vertebrates, insects and human beings while zinc is used in poultry industry for their growth and for normal functioning of different biochemical process in the body. If pesticide enter in the body in excess i.e., above the lethal dose than it can change the function of hormones, neurotransmitters, physiology, morphology and behaviour.
Statistically insignificant (p>0.005) increase in the body weight were found in the experimental animals as compared to control was recorded with different doses of carbaryl. While in zinc treated chickens statistically insignificant p>0.005 increases in the body weight of the experimental animals were found as compared to control were recorded with different doses of zinc.
Behavioural impacts were examined by looking at changes in activity patterns. Leg weakness ,frequent defecation, less food consumption and dizziness in broiler chicks were found given high dose of carbaryl after one week but the birds fed zinc showed an increase in behavior with increasing concentration up to a certain point, nervousness, leg weakness, and fluffed feathers were found in intermediate and high dose groups. On the other hand, relaxed, happy broiler chicks will vocalize frequently, eat hungrily, preen normally in control group.
Table of Contents
Summary
Chapter One
Introduction
Chapter Two
Toxicological profile of carbaryl
Toxicological profile of zinc
Chapter Three
Health effects of carbaryl
Health effects of zinc
Chapter Four
Methodology
Chapter Five
Results and Discussion
Effect of carbaryl on body weight
Behavioural effects of carbaryl
Effect of zinc on body weight
Behavioural effects of zinc
Research Objectives and Core Topics
This research aims to investigate the toxicological impacts of carbaryl, a carbamate insecticide, and zinc, a trace element, on the growth and behavioural patterns of broiler chicks. The study evaluates how varying concentrations of these substances influence physiological development and observable animal behaviour in a controlled experimental environment.
- Toxicological assessment of carbamate pesticides and heavy metals.
- Evaluation of body weight fluctuations in broiler chicks under chemical exposure.
- Analysis of neurotoxic effects and behavioural disturbances (e.g., activity patterns, physical symptoms).
- Comparison of experimental findings with established toxicological data and biological health standards.
Excerpt from the Book
Behavioural effects of carbaryl
Carbaryl is neurotoxic and have a potential to cause behavioural disturbances in broiler chicks. Behavioural impacts were examined by looking at changes in activity patterns. Leg weakness , frequent defecation, less food consumption and dizziness in broiler chicks were found given high dose of carbaryl after one week. Contrary to our results Peakall, 1985 and Mineau, 1991studied that sublethal doses of organophosphates can cause behavioural effects in birds, and frequently these effects has been related to levels of cholinesterase inhibition.In many cases behavioural effects were apparent when depression of brain acetylcholinesterase exceeded 40% (Grue and Shipley,1981). Inhibition of cholinesterase has already been used as a biomarker of neurotoxic effects which can be related to consequent behavioural disturbances both in the laboratory and the field (Peakall, 1992; Busby et al.1990).
Chapter Summaries
Summary: Provides an overview of the study's objective to examine the impact of pesticides and heavy metals on the growth and behaviour of broiler chicks.
Chapter One: Introduces the environmental and agricultural concerns regarding pesticide usage, focusing on their presence as contaminants and their physiological effects on animals.
Chapter Two: Details the chemical nature and toxicological profiles of carbaryl and zinc, highlighting their modes of action and systemic effects.
Chapter Three: Explores the health risks associated with carbaryl and zinc, specifically detailing their potential for endocrine disruption, neurotoxicity, and genetic impact.
Chapter Four: Outlines the experimental design, including the grouping of broiler chicks, administration of dosages, and the statistical methods used to analyze weight changes and behaviour.
Chapter Five: Presents the study findings and discusses the observed effects of carbaryl and zinc on the weight gain and activity patterns of the chicks in comparison to control groups.
Keywords
Carbaryl, Zinc, Broiler chicks, Pesticide toxicity, Heavy metals, Acetylcholinesterase inhibition, Behavioural disturbances, Poultry health, Endocrine disruption, Toxicology, Body weight, Neurotoxicity, Agricultural chemicals, Growth parameters, Bioaccumulation.
Frequently Asked Questions
What is the core focus of this research study?
The study investigates how carbaryl and zinc exposure affects the physical growth and behaviour of broiler chicks to determine potential toxicological hazards in a poultry setting.
What are the primary themes addressed in the work?
The primary themes include pesticide toxicity, trace metal supplementation, neurological impact on non-target species, and the assessment of physiological and behavioural markers of health.
What is the main objective of the research?
The research aims to quantify whether exposure to specific doses of carbaryl and zinc causes significant alterations in body weight and activity levels of broiler chicks compared to a control group.
Which scientific methodology was utilized?
The study utilized a controlled experiment where broiler chicks were divided into groups receiving varying doses of carbaryl or zinc, with statistical analysis conducted using one-way ANOVA and Student's t-test.
What content is covered in the main body of the work?
The main body covers detailed toxicological profiles of both substances, a comprehensive review of their known health effects, and the presentation of experimental data regarding chick weight and behaviour.
Which keywords best describe this research?
Key terms include carbaryl, zinc, broiler chicks, pesticide toxicity, neurotoxicity, and endocrine disruption, reflecting the intersection of agricultural and environmental science.
How does carbaryl specifically impact the nervous system of birds?
Carbaryl acts by inhibiting the acetylcholinesterase enzyme, which leads to the accumulation of acetylcholine at the synapses, resulting in over-stimulation and potential paralysis or cell fatigue.
Why did the study observe surfacing behaviour in the context of metal exposure?
Surfacing behavior, often observed in aquatic studies related to high-dose toxicity, serves as an indicator of hypoxia and an attempt to procure oxygen from the atmosphere.
- Quote paper
- Sabina Khanam (Author), 2017, Toxicological Effect on Behaviour and Body Weight of Broiler Chicks Exposed to Carbaryl and Zinc, Munich, GRIN Verlag, https://www.hausarbeiten.de/document/375851
