SWT/KWS Amboseli Mobile Veterinary Report for November 2024

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NOVEMBER - DECEMBER 2024

November/December Report by Dr. Kariuki Edward

Amboseli/Tsavo and Chyulu Conservation Area received rains amid warm weather in November 2024 and good rains in December 2024. The rains likely allowed wildlife to move into areas that were impassable or had plenty of vegetation and water and hence had little interaction with humans for observation or injury.

Four cases of veterinary importance were attended during this period and were predominantly natural by nature. The first case was sampling of Hirola antelopes that are endangered and constitute a small population that is always on the decline. Thirteen Hirola antelopes were sampled for genetic evaluation and hopefully, this will explain the decline experienced in the population in Tsavo East National Park. A cheetah in Chyulu Hills was treated following a territorial fight with the other males. A postmortem examination was conducted on a rhino that died of gastric impaction. Lastly, the Unit treated an elephant that was suffering from an abdominal tumour. The elephant was treated in Kimana sanctuary but unfortunately died later during the month. The disturbance of the tumour during the treatment likely led to profuse bleeding and hence likely to be the cause of death. Otherwise, no other cause could be established.

Acknowledgement

We thank Sheldrick Wildlife Trust (SWT) for material support and Mobile Unit funding. KWS Staff and BLF rangers at Chyulu. Others not mentioned but supported the monitoring of distressed wildlife in areas of interest are highly acknowledged and appreciated

Case Details

SWT/KWS Amboseli Mobile Vet Unit Treatment Locations

November 2024

Hirola Research/Survey

Chyulu Hills

The population of Hirola antelope has been stagnant for ages. A study on genetics was devised to explore genetics and inbreeding vigour.

Sampling

The antelopes were sampled in their natural state and environment. Biopsy darts were shot and bounced darts were collected for biopsy examination and retrieval. Below is a table showing the individuals sampled alongside the ones sighted.

Conclusion

Samples were collected from thirteen antelopes. During the field study, 39 individuals were sighted from multiple herds.

The Hirola population in Tsavo East National Park is likely less than a hundred individuals (76 from our estimation). Unfortunately, we were not lucky to see all existing herds during our fieldwork.

Cheetah Natural Causes

Chyulu Hills

One BLF rangers reported an injured cheetah to AMVU. The vet was airlifted from Voi to Chyulu for the cheetah treatment. A vehicle was additionally used to assist in the darting of the injured cheetah.

Immobilisation, examination and treatment

The cheetah was found under an acacia tree and darted from a vehicle. The cat was successfully immobilized using a combination of 120mg of Ketamine HCl and 6mg of Medetomidine.

The cheetah had a tear wound on the paw and a smaller one along the spine. The wounds resulted from a territorial fight with other males. The wound was irrigated with Iodine solution. Amoxicillin injection and Oxytetracycline spray were applied to cover for bacterial infection.

Revival and prognosis

The cheetah was revived using Atipemazole (an antagonist for the immobilisation drug) and favourably woke up after drug administration. Prognosis is good.

Case 3 – 30th November 2024

Black Rhino Postmortem Ngulia, Tsavo West NP

A report was made to AMVU by the Assistant Director-Tsavo West National Park after discovering a rhino carcass within Ngulia Rhino Sanctuary A request was made to determine the cause of the rhino’s death.

Postmortem Findings

The rhino carcass was identified as Bill, a 45-year-old male. The carcass tissue was relatively fresh and had no flies on it. The carcass was opened on the left lateral flank up to the scapula area. All internal organs were exteriorized and studied for pathology.

The large intestine contained well-formed but hard faecal balls. The caecum looked normal but had no contents apart from air. The small intestine had a slight haemorrhagic condition but was empty and had no fluids or ingesta. The stomach was full and felt hard on finger press. The stomach contents were dry and decomposed. The gastric wall was eroded and had a massive ulcer

Cause of death

The rhino died of complications following gastric impaction. Impaction likely resulted from abrupt diet change and is plausible with recent weather change. The gastric ulcer is likely to have complicated the digestive problem following diet changes.

Natural Causes

Chyulu Hills

Rangers reported an injured elephant to AMVU while a vehicle was used to assist in the darting of the elephant. The elephant was located in a grassland and was accessed without difficulties.

Immobilisation, examination and treatment

The cheetah was found under an acacia tree and darted from a vehicle. The cat was successfully immobilized using a combination of 120mg of Ketamine HCl and 6mg of Medetomidine.

The cheetah had a tear wound on the paw and a smaller one along the spine. The wounds resulted from a territorial fight with other males. The wound was irrigated with Iodine solution. Amoxicillin injection and Oxytetracycline spray were applied to cover for bacterial infection.

Revival and prognosis

The cheetah was revived using Atipemazole (an antagonist for the immobilisation drug) and favourably woke up after drug administration. Prognosis is good. .

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