SWT/KWS Tsavo Mobile Veterinary Report for October 2024

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SWT/KWS TSAVO MOBILE VETERINARY UNIT

OCTOBER 2024

October Report

The Tsavo Conservation Area received low precipitation in October 2024. However, several water pans were still full and both grazers and browsers had enough food over the reporting period. The Tsavo Mobile Veterinary Unit attended to 14 cases in total. These included 8 elephant cases, 4 lion cases and 2 Masai giraffe cases.

Most of the cases attended to in October involved elephants. Out of the 8 elephant cases treated, 7 cases involved adult elephant bulls. 3 cases involved bulls with arrow injuries, 3 other cases were related to spear injuries, and only one case involved a snared elephant bull. Unfortunately, one of these bulls had poor prognosis and eventually succumbed to a spear wound Thankfully, the other bulls were successfully treated with a good prognosis for recovery indicated. The sole elephant cow attended to over the reporting period was treated for a strain of the left elbow. The veterinary team observed that she was lactating and advised the ranger team in the area to monitor her progress given her guarded prognosis.

Acknowledgement

The Tsavo Mobile Veterinary Unit appreciates all the stakeholders who supported this month’s interventions including the monitoring and reporting of veterinary cases. The team thanks Kenya Wildlife Service management for providing technical support and Sheldrick Wildlife Trust for funding the Tsavo Mobile Veterinary Unit. 14 Cases in October 8 Poaching Cases

Case Details

6-Oct-24

7-Oct-24

8-Oct-24

9-Oct-24

10-Oct-24

11-Oct-24

13-Oct-24

14-Oct-24

16-Oct-24

Shumba Valley HWC

Mbulia Conservancy

on the gum

Masai giraffe dragging a snare attached to a log

examination on the adult lioness treated on 08/10/2024

bull spotted limping with a swollen left forelimb

on the carcass of adult male lion found dead near a cow carcass HWC death

Masai giraffe found on lateral recumbency and unable to rise

bull with a wound on the proximal right forelimb

elephant bull dragging a winch wire snare attached to his right hindlimb

with 2 arrow wounds on the left flank and the left rump

treatment on an adult elephant bull treated on 11/10/2024

October 2024

Case

Lion

Natural Causes

Taita Saltlick Area

This problematic lioness was a candidate in a collar deployment exercise to monitor her pride’s movement, it was noted that she had a wound on the gum at the rostral mandible.

Immobilisation, examination and treatment

She was immobilized with 4.8mg Medetomidine and 220mg Ketamine delivered in a 3cc Dan inject dart. The lioness was darted from the vehicle, and it took 11 minutes for the drugs to take effect.

Examination revealed a wound on the rostral mandible, the wound was suspected to be an injury inflicted by a bone during mastication. The wound was thoroughly cleaned and disinfected using dilute tincture of iodine. Additionally, the lioness received antibiotics and anti-inflamatories parenterally. Anaesthesia was reversed with 20mg Atipamezole given intramuscularly. She rose and slowly walked to rejoin her pride 12 minutes later.

Prognosis

The lioness has a good prognosis.

Elephant

Natural Causes Maungu

A lactating elephant cow in Maungu Ranch was seen limping by the KWS/Rukinga team.

Immobilisation, examination and treatment

The elephant was approached on foot and successfully immobilized with 16mg Etorphine hydrochloride delivered remotely in a 3cc Dan inject dart. It took 8 minutes for full anaesthesia to be achieved.

Examination revealed that the left forelimb was affected, since no external wounds were observed, the limb was manipulated to rule out major fractures. Pain was suspected to be due to a strain on the left elbow. The cow was given Flunixin meglumine anti-inflammatory medication parenterally and the Ranger team was requested to monitor her progress. Anaesthesia was reversed with Naltrexone hydrochloride given intravenously via a prominent ear vein. She rose and walked away 3 minutes later.

Prognosis

The elephant cow has a guarded prognosis

Lion Natural Causes Aruba Area, Tsavo East National Park

This lioness had been translocated a few months prior from Selenkei area in Kajiado County to Tsavo East National Park to mitigate livestock predation. She was weak and in poor body condition.

Immobilisation, examination and treatment

It was noted that the lion was weak in both hind limbs with the right hind limb being more affected. She was successfully immobilized with a combination of 4mg Medetomidine and 180mg Ketamine. The lioness was darted from the vehicle, and it took 8 minutes for the drugs to achieve full effect.

Examination revealed that the lioness had several bite wounds on the lumbar and shoulder area. She was dehydrated, weak and in poor body condition i.e. 1 in a scale of 1 to 5. All wounds were cleaned, disinfected and infused with antibiotic cream followed by topical antibiotic spray. The monitoring collar was thereafter removed. The lioness was rehydrated, given antibiotics, anti-inflamatories and metabolic stimulants parenterally. Supplemental food was also provided for the lioness. The anaesthesia was reversed and she was alert after 10 minutes but still unable to rise due to poor hind limb coordination.

Prognosis

The lioness has a guarded prognosis

Giraffe Snared Taita Hills Wildlife Sanctuary

This giraffe was seen by a SWT/KWS De-snaring Unit dragging a log attached to a snare on its right hind limb.

Immobilisation, examination and treatment

The Masai giraffe bull was successfully immobilized with a combination of 15mg Etorphine hydrochloride and 60mg Azaperone delivered remotely in a 3c Dan inject dart. The animal was darted from the vehicle, and it took 7 minutes for the drugs to take effect

Examination revealed a winch wire bound to the right hind limb, luckily the snare had not inflicted any wounds on the area. The snare was immediately cut loose using wire cutters. Topical antibiotic spray was applied on the small bruises on the area.

Anaesthesia was reversed with 200mg Naltrexone hydrochloride given intravenously via the jugular vein. He rose 3 minutes later and hastily walked away to join a tower nearby.

Prognosis

The giraffe has a good prognosis.

Lion

Post-mortem Voi Office, Tsavo East National Park

This lioness had been treated a few days prior for fight wounds and general body weakness. She was found dead in the morning on 10/10/2024 by the SWT/KWS De-snaring Unit monitoring her progress. The carcass was delivered to the Veterinarian’s Office in Voi for postmortem examination.

Post-mortem findings

Musculo skeletal system

• The carcass was pale.

• The carcass was in poor body condition with very little muscle cover.

• There were haemorrhages at the lumbar spine and the shoulder area, these were as a result of trauma (bites).

Digestive system

• The stomach was full of fluid, trichobezoars and some small amount of ingested food.

• The intestines were empty.

Cause of death

Anaemia and dehydration coupled with Cachexia and its associated complications.

The fight wounds (bites to the lumbar spine) resulted in trauma to the spine and nerves supplying the hind limbs resulting in partial paralysis of the hind limbs. This coupled with cachexia due to starvation and unfamiliar environment after translocation resulted in the untimely death of this lioness.

Unfortunately, there are no pictures for this case.

Elephant Spear

Gonzani Area, Kwale County

This adult elephant bull was seen limping by a SWT/KWS De-snaring Unit in the area. He had a swollen left forelimb.

Immobilisation,

examination and treatment

The elephant was darted from a helicopter and successfully immobilized with 20mg Etorphine hydrochloride delivered remotely in a 3cc Dan inject dart. It took 7 minutes for the drug to take effect.

Examination revealed a deep wound on the elbow area of left forelimb, the wound was suspected to have been inflicted by a spear that also hit the bone and joint. The wound was thoroughly cleaned and debrided, flushed with Hydrogen peroxide, rinsed with water, and infused with tincture of Iodine. Antibiotic pessaries were thereafter introduced into the wound and antibiotic spray applied topically. Furthermore, the bull was given antibiotics and anti-inflammatories parenterally. Anaesthesia was reversed with 200mg Naltrexone hydrochloride given intravenously via a prominent ear vein. He rose and slowly walked away 3 minutes later.

Prognosis

The elephant bull has a poor to guarded prognosis.

Human-Wildlife Conflict Shumba Valley Conservancy

The carcass of an adult male lion was found in Shumba Valley Conservancy in Kwale County on 13/10/2024.

Post-mortem findings

The carcass was found lying in right lateral recumbency 5O meters from his recent kill, a cow carcass. The lion appeared to have been in good body condition before death. Due to the degree of autolysis and extensive scavenging (the carcass was 4-5 days old) with dissolved internal organs, no meaningful post-mortem was done. Part of his decomposing liver was recovered for toxicological analysis. A few meters from the lion, 3 vulture carcasses were also found. The vultures had most likely scavenged on the lion carcass.

Cause of death

Poisoning was considered one of likely causes of death.

The lion’s decomposing liver, vomitus and vulture’s crop contents were collected for toxicological analysis. The vomitus, liver tissue of the lion and crop contents of the vulture were separately packed in sample bottles and submitted for analysis.

Giraffe Natural Causes Kishushe, Tsavo West National Park

A SWT/KWS De-snaring Unit found this adult male Masai giraffe in lateral recumbency unable to rise.

Examination and treatment

The giraffe was on right lateral recumbency, it had small wounds that had formed a scar on the medial surface of the distal thigh slightly above the knee joint. The knee joint area was swollen. The bull was old and had lost body condition. Efforts to help the giraffe rise were futile due to the injured knee and prolonged recumbency. The bull unfortunately succumbed shortly thereafter.

Post-mortem findings

Examination of the knee joint revealed abscesses on the lateral and medial aspect of the joint. The knee joint was intact with ecchymotic haemorrhages within the joint capsule. The healed wounds were suspected to be the route of entry of bacterial agents that resulted in the abscess formation and joint inflammation.

Cause of death

Exhaustion from repeated attempts to rise and complications associated with prolonged recumbency in giraffes.

Elephant Spear

This injured adult elephant bull was spotted by a SWT pilot during routine patrols. He had a wound on the proximal right forelimb.

Immobilisation, examination and treatment

The bull was successfully immobilized with 18mg Etorphine hydrochloride delivered remotely in a 3cc Dan inject dart. Darting was done from the helicopter, and it took 8 minutes for full anaesthesia to be achieved.

Examination revealed a deep wound on the proximal right forelimb slightly below the shoulder that was suspected to be a spear wound. The wound was thoroughly cleaned, flushed with Hydrogen peroxide, rinsed with water, and infused with tincture of Iodine solution, packed with antibiotic pessaries and covered with topical antibiotic spray. Additionally, Amoxicillin antibiotics and Flunixin anti-inflammatory medication was administered parenterally. Anaesthesia was reversed with 250mg Naltrexone hydrochloride given intravenously via a prominent ear vein. The bull stood 2 minutes later.

Prognosis

The elephant bull has a good prognosis.

Tsavo West National Park

Case 10 – 17th October 2024

Elephant Snared Secluded Lodge, Mbulia

A SWT/KWS De-snaring Unit spotted this adult elephant bull dragging a wire snare secured on his right hindlimb.

Immobilisation, examination and treatment

The elephant was darted from a helicopter and immobilized successfully with 17mg Etorphine hydrochloride delivered remotely in a 3cc Dan inject dart. It took 9 minutes for full anaesthesia to be achieved.

Examination revealed a winch wire snare bound on the right hind limb at the tarsus level. Luckily, the snare had not inflicted any injuries on the limb

The snare was immediately cut loose using wire cutters then anaesthesia was reversed with 200mg Naltrexone hydrochloride given intravenously via a prominent ear vein. He stood 3 minutes later and hastily walked away.

Prognosis

The elephant bull has a good prognosis.

Case

Elephant Arrow Ithumba, Tsavo East National Park

This injured adult elephant bull was spotted by a SWT pilot during routine patrols in the park. The animal had a wound on the left flank.

Immobilisation, examination and treatment

The elephant bull was successfully immobilized with 20mg Naltrexone hydrochloride delivered remotely in a 3cc Dan inject dart. Darting was done from the helicopter, and it took 9 minutes for the drug to take effect Examination revealed an arrow wound on the left flank that was oozing pus, the wound was beginning to heal and had formed fibrous tissue around it. Additionally, another arrow wound was observed on the left rump, it was also oozing pus. Both wounds were thoroughly cleaned and debrided, flushed with Hydrogen peroxide, rinsed with clean water, and infused with tincture of Iodine. The wounds were thereafter packed with antibiotic pessaries and topical antibiotic spray applied. Additionally, the bull received Amoxicillin antibiotics and Flunixin anti-inflammatories parenterally. Anaesthesia was reversed with 250mg Naltrexone hydrochloride given intravenously via a prominent ear vein.

Prognosis

The elephant bull stood and slowly walked away to join his herd waiting nearby. He has a good prognosis

Case 12 – 18th October 2024

Elephant Arrow Kamboyo, Tsavo West National Park

This injured elephant bull was spotted in the vicinity of Tsavo West NP near Kamboyo headquarters. It seemed he had recently arrived from an unknown location bearing a wound on his right flank.

Immobilisation, examination and treatment

The elephant bull was darted from a helicopter and successfully immobilized with 20mg Etorphine hydrochloride. It took 10 minutes for full anaesthesia to be achieved. Examination revealed a wound that was oozing pus on the distal right flank. On probing the wound, a foreign object was felt within the wound. An incision was made at the edge of the wound to give access to the foreign body. Two fragments that were positively identified to be parts of an arrowhead were extracted from the wound. The wound was thereafter thoroughly cleaned, debrided, flushed with Hydrogen peroxide, rinsed with water, infused with tincture of Iodine, packed with antibiotic pessaries, and antibiotic spray applied topically Additionally, antibiotics and anti-inflammatories were administered parenterally. Anaesthesia was reversed with 200mg Naltrexone hydrochloride given intravenously via a prominent ear vein.

Prognosis

The elephant bull has a good prognosis.

Elephant Arrow

Galana Ranch

This injured adult elephant bull was spotted by a SWT pilot during routine patrols, he had 2 wounds. One was on the left flank while the other was on the right rump area.

Immobilisation, examination and treatment

The elephant bull was successfully immobilized with 21mg Etorphine hydrochloride delivered in a 3cc Dan inject dart. Darting was done from the helicopter, and it took 9 minutes for the drug to achieve full effect.

Examination revealed 2 arrow wounds oozing pus, one was on the left chest area while the other was on the right rump area. Both wounds were thoroughly cleaned, debrided and flushed with Hydrogen peroxide. They were then rinsed with water, infused with tincture of Iodine, and covered with a topical antibiotic spray. Additionally, antibiotics and anti-inflammatories were administered parenterally. Anaesthesia was reversed with 200mg Naltrexone hydrochloride given intravenously via a prominent ear vein. The bull stood 3 minutes later and hastily walked away.

Prognosis

The elephant bull has a good prognosis.

Elephant Spear Gonzani Area, Kwale County

This injured adult elephant bull had been treated a few weeks prior for a spear wound. However, his condition had continued to deteriorate making it difficult for him to move.

Immobilisation, examination and treatment

The elephant bull was approached on foot and successfully immobilized with 15mg Etorphine hydrochloride. It took 7 minutes for full anaesthesia to be achieved.

Examination revealed that the wound on the left elbow was still oozing pus, and the affected limb was swollen. Sadly, the bull’s prognosis was grave. Therefore, he was put to rest to alleviate further pain and suffering. A post-mortem examination was carried out thereafter.

Post-mortem findings

The postmortem revealed that the limb was inflamed, oedematous and had gelatinized fat. The joint capsule was necrotized with calcified tissues surrounding the area. There was direct access to the joint capsule through the spear wound. The spear blow to the joint resulted in severe arthritis due to introduction of pyogenic bacteria and elbow dysplasia resulting in pain and lameness.

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