[Md Abdul Bari]

Grit is small, hard particles of rock, shells, or granite that poultry consume to help them digest food because they lack teeth. The grit is stored in the gizzard and acts as grinding stones, crushing food into a paste for better nutrient absorption. There are two main types of grit: insoluble grit (like flint or granite) for grinding, and soluble grit (like oyster shells) to provide calcium for strong bones and eggshells

[Md Abdul Bari]

To control rodents and insects on a farm, use an integrated pest management (IPM) approach, which combines prevention, sanitation, and physical methods like trapping and exclusion, followed by biological and chemical control as last resorts.

[Md Abdul Bari]

The risks of psychological brooding (rumination) include increased depression and anxiety, impaired problem-solving, negative thought patterns, elevated stress and cardiovascular disease risk, and increased risk for alcohol and eating disorders. Brooding involves getting stuck in negative thought cycles about sad or dark issues, creating a vicious loop that intensifies emotional distress.

[Md Abdul Bari]

Control measures for adverse weather include weather monitoring, worker training on risks and procedures, securing work sites and equipment, providing shelter and appropriate personal protective equipment (PPE), adjusting work schedules, and having emergency plans in place. Eliminating exposure by working indoors or postponing outdoor tasks is the best control.

[Md Abdul Bari]

Noted

[Md Abdul Bari]

Thanks

[Md Abdul Bari]

2 to 2.2 kg

[Md Abdul Bari]

Good

[Md Abdul Bari]

Common poultry diseases include viral infections like Marek’s disease and Newcastle Disease, bacterial infections such as E. coli infections, and parasitic problems like coccidiosis, mites, and lice. Prevention strategies focus on strong biosecurity (restricting access, sanitation), vaccination, maintaining excellent nutrition, regular quarantine of new birds, and ensuring a clean, stress-free environment.

[Md Abdul Bari]

A feed’s texture and appearance are compared to standards by assessing characteristics like particle size, firmness, color, and overall form (e.g., pellets, crumbles) using established quality control methods and equipment such as texture analyzers and sieves. These standards are set by industry organizations to ensure consistency, proper palatability, and effective animal performance, with deviations from the norm indicating potential issues.

[Md Abdul Bari]

Finer ingredient particle sizes generally improve the Pellet Durability Index (PDI) and pellet quality by increasing surface area for better starch gelatinization and adhesion, but overly fine grinding reduces pellet durability and can negatively affect production rates and equipment efficiency. The optimal particle size balances the benefits of finer particles with the risks of excessive grinding, creating stronger, more durable pellets through better heat and moisture penetration and particle binding, according to the National Institutes of Health (NIH) sources.

[Md Abdul Bari]

Nice

[Md Abdul Bari]

Enzyme efficacy in feed trials is evaluated using a combination of in vivo (animal-based) studies and in vitro (laboratory-based) methods, which include digestibility assays and spectroscopic techniques to measure changes in nutrient bioavailability and animal performance. The choice of method depends on whether the enzyme’s effect is in the feed itself or within the animal.

[Md Abdul Bari]

Good information

[Md Abdul Bari]

Managing a feed mill involves numerous responsibilities across operations, quality, finance, and personnel, including sourcing raw materials, overseeing the production process (grinding, mixing, pelleting), ensuring quality control, maintaining equipment, managing budgets and finances, handling staff and training, and distributing the final feed products. This holistic approach is crucial for producing high-quality, cost-effective, and safe feed consistently.