Drug Calculations
Calf IDs: 174 & 173
Estimated weight: 120kg (for both)
Formula: VOLUME (mL)=
𝐷𝑜𝑠𝑎𝑔𝑒 𝑜𝑓 𝑑𝑟𝑢𝑔
𝑀𝐺
𝑥𝑊𝑒𝑖𝑔ℎ𝑡 𝑜𝑓
𝐾𝐺
𝐶𝑛𝑐𝑒𝑛𝑡𝑟𝑎𝑡𝑖𝑜𝑛 𝑜𝑓 𝑑𝑟𝑢𝑔
Drug
Concentratio
n
Dose
Rate
and
Route
Xylazine 2%
20mg/ml
0.025
mg/kg
Intrave
nous
Lidocaine 2%
20mg/ml
0.2mg/
kg
Intram
uscular
𝑎𝑛𝑖𝑚𝑎𝑙 (𝐾𝐺)
𝑚𝑔
𝑚𝐿
Calculations
and amount
given
Sedatives
0.025 × 120
20
= 0.15𝑚𝑙
Indications
Contra
Indications
Withdrawa
l time
Sedative
Do not use in
later stages of
pregnancy,
cases with
oesophageal
obstruction or
stomach
torsion,
hepatic
failure, renal
failure,
cardiac
abnormalities,
urethral
obstruction
calves
younger than
2 weeks.
Meat: 48
hours
Milk: 14
days
Do not use in
animals with
known
hypersensitivi
ty
Meat: 1 day
Local Anaesthetics
A total of 10
Local
mL per site was anaesthetic
used for the
Corneal Nerve
Block
Non-Steroidal Anti-Inflammatories (NSAIDs)
Milk: 1 day
Banamine
(Flunixin
Meglumine)
50mg/ml
1.1mg/
kg
1.1 × 120
50
= 2.6𝑚𝑙
NSAIDanalgesia
Intrave
nous
PenicillinStreptomyci
n (PenStrep)
200,000 IU
20,000
IU
intram
uscular
Tolazoline
Epinephrine
100mg/ml
1 mg/ml
0.05
mg/kg
Intrave
nous
0.02
mg/kg
Antibiotics
20,000 × 120
200,000
= 12𝑚𝑙
Antibiotic
Prevention
of shipping
fever,
bronchopne
umonia,
Corynebacte
rium renale,
Clostridium
spp.,
tetanus
among
other
pathogens
and also
post
operative
infections
Emergency Drugs
0.05 × 120
Used when
the effects
100
= 0.06𝑚𝑙
of xylazine
need to be
reversed.
0.02 × 120
1
= 2.4𝑚𝑙
Used in
treatment
Do not give to
animals with
gastrointestin
al disorders or
ulcers. Also
do not
administer to
animals with
bleeding
disorders such
as coagulation
issues and
platelet
function
disorders
Meat: 4
days
Milk: 72
hours
Do not use
intravenously!
Do not use in
cases where
there may be
hypersensitivi
ty to any of
the
components.
Also, do not
give to
animals with
renal
insufficiency.
Meat23days
Do not give to
animals
showing signs
of stress,
cardiac
disease,
shock,
hypovolemia
Meat: 30
days
Do not use in
cases with
Milk: 0
days
Intram
uscular
Atropine
0.54 mg/ml
0.04m
g/kg
Give
quarte
r of
the
dose
IV and
the
rest IM
Toxic Dose of Lidocaine (10mg/kg):
0.04×120
0.54
8.89𝑚𝑙
𝟏𝟎×𝟏𝟐𝟎
𝟐𝟎
=
= 𝟔𝟎𝒎𝒍
of
anaphylactic
shock. Also
used for
cardiac
resuscitatio
n
Used in
cases of
bradycardia
to raise
heart rate.
glaucoma,
shock due to
nonanaphylactic
causes, during
parturition
etc.
Do not use in
cases of
glaucoma,
tachycardia,
ileus, urinary
obstruction
Meat: 14
days
Milk: 3
days