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Veterinary Doctor, Larkana (2026)

26/02/2026

Field Guideline

20/02/2026

14/01/2026

Veterinary Doctor
Persian cat suffering from Flu and Fever 104°f
Dr-M@Kumbhar

28/09/2025

Animals 💞are better than humans.😊💕 # World Vets

07/08/2025

𝐇𝐨𝐰 𝐈𝐬 𝐂𝐨𝐰’𝐬 𝐌𝐢𝐥𝐤 𝐏𝐫𝐨𝐝𝐮𝐜𝐞𝐝?

Milk production in cows is a fascinating natural process that begins only after a cow gives birth. Here’s a step-by-step look at how it works:

1️⃣ Hormonal Changes After Calving

Once a cow calves (gives birth), her body releases specific hormones—especially prolactin—which stimulate the mammary glands to start producing milk.

2️⃣ Role of the Mammary Glands

The udder contains tiny milk-producing units called alveoli. These sacs are lined with epithelial cells that draw nutrients—such as water, proteins, fats, and sugars—from the cow’s blood and convert them into milk.

3️⃣ The Milk Let-Down Reflex

When a calf suckles or the cow is milked, the hormone oxytocin is released. This causes the muscles around the alveoli to contract, pushing milk through ducts toward the teats, where it can be collected.

4️⃣ What’s in Cow’s Milk?

Fresh cow’s milk is a nutrient-rich fluid made up of:

Water (~87%)

Lactose (milk sugar)

Proteins (casein & whey)

Fat

Vitamins & minerals (especially calcium, phosphorus, vitamin B₁₂)

5️⃣ Maintaining Milk Production ♻️

As long as the cow is milked regularly, hormonal signals keep stimulating milk production. If milking stops, production will gradually decrease.

📌 Fun Fact:
A cow must give birth at least once to produce milk. Dairy cows are often bred again while still lactating to sustain the production cycle.

📚 Reference:
National Research Council (NRC). Nutrient Requirements of Dairy Cattle. 7th Rev. Ed., National Academies Press, Washington, D.C., 2001.

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