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Animal Nutrition & Feeds Formulation (Veterinary Medicine & Animal Husbandry) Solved Questions & Notes (2026) - Apex Rankers

Agricultural & Veterinary Sciences > Veterinary Medicine & Animal Husbandry > Animal Nutrition & Feeds Formulation

100 Total Questions
~150 mins Read Time
1 Subject Areas
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Q. 1 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
What are the major Volatile Fatty Acids (VFAs) produced in rumen fermentation?
A
Acetate, Propionate, and Butyrate
✓ Correct
B
Lactate and Citrate
C
Amino and Fatty acids
D
Formate and Oxalate
💡 Step-by-Step Explanation & Concept Rationale
VFAs provide up to 70-80% of total metabolizable energy in ruminants.
Q. 2 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
Parturient Hypocalcemia (Milk Fever) in dairy cows is caused by acute deficiency of:
A
Potassium
B
Ionized blood Calcium (Ca2+)
✓ Correct
C
Magnesium
D
Phosphorus
💡 Step-by-Step Explanation & Concept Rationale
Sudden onset of colostrum lactation depletes serum calcium rapidly.
Q. 3 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
In silage fermentation, water-soluble carbohydrates are converted into:
A
Butyric acid
B
Lactic acid (lowering pH < 4.2)
✓ Correct
C
Acetic acid only
D
Alcohol only
💡 Step-by-Step Explanation & Concept Rationale
Lactic acid preserves succulent green forage under anaerobic ensiling.
Q. 4 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
Urea can be included in ruminant feed rations up to what maximum limit?
A
1% of total dry matter or 3% of concentrate grain mix
✓ Correct
B
25% of diet
C
10% of total diet
D
50% of diet
💡 Step-by-Step Explanation & Concept Rationale
Excess urea causes fatal ammonia toxicity due to rapid urease hydrolysis.
Q. 5 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
Subclinical and clinical Ketosis in dairy cows is characterized by elevated blood:
A
Insulin
B
Beta-hydroxybutyrate (BHBA) and Acetoacetate
✓ Correct
C
Glucose
D
Lactate
💡 Step-by-Step Explanation & Concept Rationale
Excessive lipolysis during negative energy balance generates ketone bodies.
Q. 6 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
In professional practice: What are the major Volatile Fatty Acids (VFAs) produced in rumen fermentation?
A
Amino and Fatty acids
B
Lactate and Citrate
C
Acetate, Propionate, and Butyrate
✓ Correct
D
Formate and Oxalate
💡 Step-by-Step Explanation & Concept Rationale
VFAs provide up to 70-80% of total metabolizable energy in ruminants.
Q. 7 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
In professional practice: Parturient Hypocalcemia (Milk Fever) in dairy cows is caused by acute deficiency of:
A
Phosphorus
B
Potassium
C
Magnesium
D
Ionized blood Calcium (Ca2+)
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Sudden onset of colostrum lactation depletes serum calcium rapidly.
Q. 8 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
In professional practice: In silage fermentation, water-soluble carbohydrates are converted into:
A
Butyric acid
B
Alcohol only
C
Lactic acid (lowering pH < 4.2)
✓ Correct
D
Acetic acid only
💡 Step-by-Step Explanation & Concept Rationale
Lactic acid preserves succulent green forage under anaerobic ensiling.
Q. 9 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
In professional practice: Urea can be included in ruminant feed rations up to what maximum limit?
A
1% of total dry matter or 3% of concentrate grain mix
✓ Correct
B
10% of total diet
C
25% of diet
D
50% of diet
💡 Step-by-Step Explanation & Concept Rationale
Excess urea causes fatal ammonia toxicity due to rapid urease hydrolysis.
Q. 10 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
In professional practice: Subclinical and clinical Ketosis in dairy cows is characterized by elevated blood:
A
Glucose
B
Beta-hydroxybutyrate (BHBA) and Acetoacetate
✓ Correct
C
Insulin
D
Lactate
💡 Step-by-Step Explanation & Concept Rationale
Excessive lipolysis during negative energy balance generates ketone bodies.
Q. 11 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
According to standard examination standards: What are the major Volatile Fatty Acids (VFAs) produced in rumen fermentation?
A
Lactate and Citrate
B
Acetate, Propionate, and Butyrate
✓ Correct
C
Amino and Fatty acids
D
Formate and Oxalate
💡 Step-by-Step Explanation & Concept Rationale
VFAs provide up to 70-80% of total metabolizable energy in ruminants.
Q. 12 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
According to standard examination standards: Parturient Hypocalcemia (Milk Fever) in dairy cows is caused by acute deficiency of:
A
Phosphorus
B
Potassium
C
Magnesium
D
Ionized blood Calcium (Ca2+)
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Sudden onset of colostrum lactation depletes serum calcium rapidly.
Q. 13 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
According to standard examination standards: In silage fermentation, water-soluble carbohydrates are converted into:
A
Butyric acid
B
Lactic acid (lowering pH < 4.2)
✓ Correct
C
Alcohol only
D
Acetic acid only
💡 Step-by-Step Explanation & Concept Rationale
Lactic acid preserves succulent green forage under anaerobic ensiling.
Q. 14 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
According to standard examination standards: Urea can be included in ruminant feed rations up to what maximum limit?
A
50% of diet
B
10% of total diet
C
25% of diet
D
1% of total dry matter or 3% of concentrate grain mix
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Excess urea causes fatal ammonia toxicity due to rapid urease hydrolysis.
Q. 15 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
According to standard examination standards: Subclinical and clinical Ketosis in dairy cows is characterized by elevated blood:
A
Beta-hydroxybutyrate (BHBA) and Acetoacetate
✓ Correct
B
Lactate
C
Insulin
D
Glucose
💡 Step-by-Step Explanation & Concept Rationale
Excessive lipolysis during negative energy balance generates ketone bodies.
Q. 16 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
From an applied perspective: What are the major Volatile Fatty Acids (VFAs) produced in rumen fermentation?
A
Lactate and Citrate
B
Acetate, Propionate, and Butyrate
✓ Correct
C
Formate and Oxalate
D
Amino and Fatty acids
💡 Step-by-Step Explanation & Concept Rationale
VFAs provide up to 70-80% of total metabolizable energy in ruminants.
Q. 17 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
From an applied perspective: Parturient Hypocalcemia (Milk Fever) in dairy cows is caused by acute deficiency of:
A
Potassium
B
Phosphorus
C
Magnesium
D
Ionized blood Calcium (Ca2+)
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Sudden onset of colostrum lactation depletes serum calcium rapidly.
Q. 18 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
From an applied perspective: In silage fermentation, water-soluble carbohydrates are converted into:
A
Alcohol only
B
Acetic acid only
C
Butyric acid
D
Lactic acid (lowering pH < 4.2)
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Lactic acid preserves succulent green forage under anaerobic ensiling.
Q. 19 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
From an applied perspective: Urea can be included in ruminant feed rations up to what maximum limit?
A
1% of total dry matter or 3% of concentrate grain mix
✓ Correct
B
10% of total diet
C
25% of diet
D
50% of diet
💡 Step-by-Step Explanation & Concept Rationale
Excess urea causes fatal ammonia toxicity due to rapid urease hydrolysis.
Q. 20 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
From an applied perspective: Subclinical and clinical Ketosis in dairy cows is characterized by elevated blood:
A
Insulin
B
Beta-hydroxybutyrate (BHBA) and Acetoacetate
✓ Correct
C
Lactate
D
Glucose
💡 Step-by-Step Explanation & Concept Rationale
Excessive lipolysis during negative energy balance generates ketone bodies.
Q. 21 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
Under standard operational protocols: What are the major Volatile Fatty Acids (VFAs) produced in rumen fermentation?
A
Formate and Oxalate
B
Acetate, Propionate, and Butyrate
✓ Correct
C
Lactate and Citrate
D
Amino and Fatty acids
💡 Step-by-Step Explanation & Concept Rationale
VFAs provide up to 70-80% of total metabolizable energy in ruminants.
Q. 22 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
Under standard operational protocols: Parturient Hypocalcemia (Milk Fever) in dairy cows is caused by acute deficiency of:
A
Phosphorus
B
Potassium
C
Magnesium
D
Ionized blood Calcium (Ca2+)
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Sudden onset of colostrum lactation depletes serum calcium rapidly.
Q. 23 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
Under standard operational protocols: In silage fermentation, water-soluble carbohydrates are converted into:
A
Lactic acid (lowering pH < 4.2)
✓ Correct
B
Alcohol only
C
Acetic acid only
D
Butyric acid
💡 Step-by-Step Explanation & Concept Rationale
Lactic acid preserves succulent green forage under anaerobic ensiling.
Q. 24 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
Under standard operational protocols: Urea can be included in ruminant feed rations up to what maximum limit?
A
25% of diet
B
10% of total diet
C
1% of total dry matter or 3% of concentrate grain mix
✓ Correct
D
50% of diet
💡 Step-by-Step Explanation & Concept Rationale
Excess urea causes fatal ammonia toxicity due to rapid urease hydrolysis.
Q. 25 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
Under standard operational protocols: Subclinical and clinical Ketosis in dairy cows is characterized by elevated blood:
A
Beta-hydroxybutyrate (BHBA) and Acetoacetate
✓ Correct
B
Glucose
C
Lactate
D
Insulin
💡 Step-by-Step Explanation & Concept Rationale
Excessive lipolysis during negative energy balance generates ketone bodies.
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